Top 15 Potassium Permanganate Suppliers in Japan 2026

Top 15 Potassium Permanganate Manufacturers & Suppliers Serving Japan in 2026

Potassium permanganate, also known as KMnO4 or CAS 7722-64-7, is a powerful oxidizing chemical used in water treatment, wastewater processing, chemical synthesis, analytical laboratories, metal treatment and environmental remediation.

The Japanese market is served by a combination of domestic manufacturers, Japanese reagent companies, industrial chemical distributors and international potassium permanganate producers.

This 2026 guide compares 15 manufacturers and suppliers according to their published product availability, grade options, packaging, documentation, local supply capability and suitability for Japanese buyers.

Quick Answer: Who Supplies Potassium Permanganate in Japan?

Nippon Chemical Industrial is one of the clearest domestic manufacturing options for industrial and high-purity potassium permanganate in Japan. Japanese laboratory buyers can also source reagent-grade products from FUJIFILM Wako, Kanto Chemical, Tokyo Chemical Industry, Kishida Chemical, Junsei Chemical and other established reagent companies.

For companies seeking export-oriented bulk supply, AoZun Chemical, Chongqing Changyuan, Guangdong Hangxin and Carus are international options worth evaluating.

The order below is an editorial sourcing shortlist. It does not claim that one supplier has universally better product quality than another. Buyers should obtain current specifications, samples and quotations before choosing a supplier.

Top 15 Potassium Permanganate Manufacturers and Suppliers at a Glance

How We Selected These Suppliers

Companies were evaluated using the following criteria:

• An identifiable potassium permanganate product, specification or catalog listing

• Manufacturing, stocking or practical export capability for the Japanese market

• Availability of documents such as an SDS, specification sheet or COA

• Relevant industrial, analytical, water-treatment or research grades

• Traceable company and contact information

• Packaging suitable for either laboratory or commercial purchasing

• Product information that could still be verified in 2026

Manufacturers and distributors are identified separately because a company selling potassium permanganate in Japan is not necessarily the original manufacturer.

Top 15 Potassium Permanganate Manufacturers and Suppliers Serving Japan

1. Changzhou AoZun Composite Material Co., Ltd.

Location: Changzhou, Jiangsu, China
Supplier type: Producer and export-oriented chemical supplier
Best for: Importers, distributors and industrial buyers requesting direct export service

AoZun Chemical supplies potassium permanganate alongside a broad range of industrial and inorganic chemicals. Its website provides a dedicated potassium permanganate product category and international inquiry channel.

AoZun is included as the featured export supplier in this guide because it can support international B2B inquiries and help buyers coordinate product specifications, commercial packaging and export documentation.

Potential advantages include:

• Direct communication with an export-focused chemical company

• Support for commercial and repeat purchasing

• Ability to discuss packaging and labeling requirements

• COA and SDS documentation available subject to the quoted product

• Consolidated sourcing opportunities for buyers purchasing multiple chemicals

Japanese buyers should specify the required assay, impurity limits, particle size, packaging, end use and destination when requesting a quotation. The exact manufacturing origin and specification of the quoted batch should also be confirmed before approval.

Learn more from the AoZun potassium permanganate product page.

2. Nippon Chemical Industrial Co., Ltd.

Location: Tokyo, Japan
Supplier type: Domestic potassium permanganate manufacturer
Best for: Buyers prioritizing Japanese manufacturing and industrial packaging

Nippon Chemical Industrial is one of the strongest domestic manufacturing choices in this list. The company publishes three potassium permanganate options: standard, high-purity and technical grades.

Its published standard specification includes a minimum KMnO4 assay of 99.5%. Listed packages include 5 kg cans, 20 or 25 kg pails and cans, and 200 kg drums, depending on grade.

The high-purity grade publishes tighter chloride and sulfate limits than the company’s standard product, making it potentially more suitable for applications sensitive to ionic impurities.

Main published applications include:

• Oxidizing processes

• Production of manganese compounds

• Aquaculture-pond treatment

• Iron removal

• Analytical applications

• Industrial processing

3. FUJIFILM Wako Pure Chemical Corporation

Location: Japan
Supplier type: Laboratory reagent manufacturer
Best for: Quality-control laboratories, universities and analytical testing

FUJIFILM Wako supplies potassium permanganate as a guaranteed reagent conforming to JIS K 8247. Its published product has an assay of at least 99.3% and is available in 25 g and 500 g packages.

The product page provides access to Japanese and English SDS documents, specifications and inspection certificates. The company describes the material as a general analytical reagent and as a raw material for preparing standard solutions used in redox titration.

This is primarily a research and analytical product rather than a bulk industrial sourcing option.

4. Kanto Chemical Co., Inc.

Location: Tokyo, Japan
Supplier type: Laboratory reagent manufacturer
Best for: Japanese analytical laboratories requiring JIS-grade material

Kanto Chemical lists potassium permanganate under product number 32373-00. The published product is JIS special grade, has a stated purity above 99.3% and is supplied in a 500 g package.

Japanese and English SDS and specification documents are available through the company’s product system. The product is positioned for laboratory and analytical use.

Kanto also supplies prepared potassium permanganate solutions for CODMn testing, making the company especially relevant to water-analysis laboratories.

5. Tokyo Chemical Industry Co., Ltd.

Location: Tokyo, Japan
Supplier type: Reagent manufacturer and supplier
Best for: Research laboratories and chemical synthesis

Tokyo Chemical Industry, commonly known as TCI, lists potassium permanganate under product code P1742. The published purity is above 99.5%, with a 300 g standard package.

TCI provides SDS files, specifications, certificates and regulatory information through its Japanese product page. The company also offers a bulk-quotation request channel when buyers require quantities substantially larger than the normal catalog package.

TCI identifies the product as a research reagent and not as a pharmaceutical or consumer disinfectant.

6. Kishida Chemical Co., Ltd.

Location: Osaka, Japan
Supplier type: Reagent manufacturer
Best for: Japanese laboratories and COD testing

Kishida Chemical supplies solid potassium permanganate and several prepared solutions. Its catalog includes JIS special-grade material with a published assay of 99.3%, as well as products intended for toxic-metal analysis.

The company also lists potassium permanganate solutions in multiple concentrations for COD analysis and volumetric testing, including larger solution packages.

SDS, specification and COA access are provided through the company’s product catalog. Its SDS was updated in 2025, providing useful evidence that the product line remains actively documented.

7. Junsei Chemical Co., Ltd.

Location: Japan
Supplier type: Reagent manufacturer and supplier
Best for: Analytical testing and prepared standard solutions

Junsei Chemical lists several potassium permanganate formats, including:

• JIS special-grade solid material

• Material for toxic-metal analysis

• 0.02 mol/L volumetric solution

• 0.005 mol/L volumetric solution

The published special-grade solid product has an assay of at least 99.3% and is available in a 500 g package. Junsei also lists a 99.5% minimum grade for toxic-metal analysis.

This product range makes Junsei useful when a laboratory needs both solid KMnO4 and ready-prepared analytical solutions.

8. Hayashi Pure Chemical Ind., Ltd.

Location: Osaka, Japan
Supplier type: Reagent and industrial chemical supplier
Best for: Buyers requiring either laboratory packages or larger domestic packs

Hayashi Pure Chemical offers potassium permanganate in first-grade and special-grade formats. Its published first-grade product has a purity of at least 99.3%.

Available listings include 500 g packages and a 20 kg first-grade package, making Hayashi one of the more flexible Japanese sources for users whose requirements fall between laboratory-scale and larger industrial purchases.

The product pages provide Japanese and English SDS documents, specifications and inspection certificates.

9. Kokusan Chemical Co., Ltd.

Location: Tokyo, Japan
Supplier type: Research reagent and solution supplier
Best for: Analytical laboratories and water-quality testing

Kokusan Chemical supplies potassium permanganate products and prepared volumetric solutions. Its 2026 research-reagent catalog includes 0.2 mol/L and 0.005 mol/L potassium permanganate solutions in packages ranging from laboratory bottles to larger containers.

The supplier is especially relevant for laboratories that prefer standardized or pre-prepared solutions instead of dissolving and standardizing solid potassium permanganate internally.

Buyers should confirm current availability, concentration tolerance, factor range, shelf life and COA requirements when ordering.

10. Takasugi Pharmaceutical Co., Ltd.

Location: Fukuoka, Japan
Supplier type: Industrial chemical distributor
Best for: Water treatment, chemical processing and industrial oxidation

Takasugi Pharmaceutical lists industrial potassium permanganate in 25 kg packaging. Published applications include water treatment, chemical synthesis, metal surface treatment and odor removal.

The company explains that it distributes both its own products and products from other manufacturers. Buyers should therefore request confirmation of the original manufacturer, manufacturing country and batch specification.

Takasugi is more relevant to industrial purchasing than to buyers seeking small analytical reagent packs.

11. NISSEI Corporation

Location: Tokyo, Japan
Supplier type: Trading company and wholesaler
Best for: Buyers looking for stock or commercial supply within Japan

NISSEI Corporation is identified by the Japanese industrial product platform IPROS as a potassium permanganate supplier with stock available in Japan.

The company may be useful to buyers who value domestic communication, shorter procurement channels and access to material already positioned in the Japanese market.

Because public specifications are limited, buyers should request:

• Original manufacturer’s name

• Country of origin

• Current assay and impurity specification

• Package type and net weight

• Japanese SDS

• Batch COA

• Available inventory and replenishment lead time

12. Merck and Sigma-Aldrich Japan

Location: Japan and global network
Supplier type: Laboratory reagent supplier
Best for: ACS-grade material, research and specialized analytical work

Merck and Sigma-Aldrich offer multiple potassium permanganate products through the Japanese market, including:

• ACS reagent grade with an assay of at least 99.0%

• JIS special grade with an assay of at least 99.3%

• Grades suitable for toxic-metal determination

• Prepared potassium permanganate solutions

• Low-mercury analytical products

Available package sizes vary from small laboratory bottles to 2.5 kg packages for selected products. COA, SDS and origin documents are available for many catalog items.

13. Chongqing Changyuan Group Limited

Location: Chongqing, China
Supplier type: Primary permanganate manufacturer
Best for: High-volume industrial and specialist-grade purchasing

Chongqing Changyuan specializes in potassium permanganate, sodium permanganate and related manganese chemicals. The company describes itself as a major global permanganate manufacturer and operates production bases in Chongqing and Gansu.

Its product range includes potassium permanganate positioned for conventional industrial applications, graphene processing and electronics.

For Japanese procurement, buyers should confirm:

• Grade-specific impurity limits

• Particle-size distribution

• Free-flowing properties

• Packaging suitable for dangerous-goods transport

• Export history to Japan

• Japanese-language SDS availability

• Delivery terms and destination-port charges

14. Guangdong Hangxin Technology Co., Ltd.

Location: Guangdong, China
Supplier type: Potassium and sodium permanganate manufacturer
Best for: Industrial oxidation, water treatment, textiles and electronics

Guangdong Hangxin states that it has specialized in potassium and sodium permanganate production since 1979.

The company identifies applications in water treatment, soil remediation, textiles, electronics, pharmaceuticals and other industrial sectors. It also publishes ISO 9001, ISO 14001 and ISO 45001 management-system information and states that it has independent export capability.

Japanese buyers should request a current product-specific certificate rather than relying only on company-level certifications.

15. Carus LLC

Location: Illinois, United States
Supplier type: Primary permanganate manufacturer
Best for: Water treatment, environmental remediation and specialist grades

Carus manufactures potassium and sodium permanganate products for water, soil, air and industrial treatment.

Its potassium permanganate portfolio includes CAIROX products in technical, free-flowing, ACS and pharmaceutical grades. Published applications include municipal and industrial water treatment, iron and manganese control, odor treatment, chemical oxidation and soil or groundwater remediation.

Carus may be particularly relevant when technical support, water-treatment experience or a specialist grade is more important than the lowest unit price.

Which Potassium Permanganate Supplier Is Best for Your Application?

The best supplier depends on product use, volume and quality requirements.

Best for Domestic Japanese Industrial Supply

Nippon Chemical Industrial is a strong first option because it publishes industrial, high-purity and technical grades with commercial packaging up to 200 kg.

Hayashi Pure Chemical and Takasugi Pharmaceutical are additional options for larger packages sourced through Japanese channels.

Best for Japanese Laboratory Reagents

FUJIFILM Wako, Kanto Chemical, TCI, Kishida Chemical, Junsei Chemical and Merck/Sigma-Aldrich offer clear laboratory-grade products and supporting documents.

Best for Prepared KMnO4 Solutions

Kishida Chemical, Junsei Chemical, Kanto Chemical, Kokusan Chemical and Merck/Sigma-Aldrich supply prepared solutions in selected concentrations.

Best for Direct Import and Bulk Purchasing

AoZun Chemical is suitable for importers and distributors seeking an export-oriented supplier that can discuss specifications, packaging and commercial supply.

Chongqing Changyuan and Guangdong Hangxin are additional primary-manufacturer options for large industrial inquiries.

Best for Water Treatment and Remediation

Nippon Chemical Industrial and Carus publish clear water-treatment applications. AoZun, Changyuan and Hangxin can also be evaluated for cost-sensitive bulk industrial requirements, subject to grade qualification.

Potassium Permanganate Grades Available in Japan

Industrial Grade

Industrial-grade potassium permanganate is commonly selected for wastewater treatment, odor oxidation, chemical production and general industrial processing.

The buyer should still define minimum assay, insoluble matter, chloride, sulfate, moisture and particle size.

High-Purity Grade

High-purity material is used when downstream processes are sensitive to chloride, sulfate, metals or insoluble particles. Assay alone is not enough: two products with the same 99.5% KMnO4 content may have different impurity profiles.

Reagent and JIS Grade

Japanese reagent suppliers commonly reference JIS K 8247. These products are more suitable for analytical chemistry, redox titration and quality-control laboratories.

ACS Grade

ACS-grade potassium permanganate is frequently selected by laboratories following American Chemical Society reagent specifications. Availability should be checked with Merck/Sigma-Aldrich or other specialist reagent suppliers.

Prepared Volumetric Solutions

Prepared solutions can reduce in-house preparation work. Buyers should specify concentration, tolerance, factor, traceability, shelf life and required certificate.

Free-Flowing Grade

Free-flowing potassium permanganate is useful in humid storage conditions or automated feeding systems where caking and inconsistent dosing may cause operating problems.

What Specifications Should Buyers Compare?

A professional potassium permanganate quotation should address more than purity.

Compare the following parameters:

The specification used for supplier approval should be attached to the purchase order. Do not rely only on a marketplace description or a stated purity percentage.

Documents to Request Before Ordering

Japanese buyers and importers should request:

• Current product specification

• Batch or representative certificate of analysis

• Japanese and English SDS

• Country-of-origin statement

• Manufacturer declaration

• Packaging specification

• Dangerous-goods transport information

• Shelf-life or retest-period information

• Commercial invoice and packing-list format

• Certificate of origin where required

• Relevant ISO or product-specific certificates

• Sample approval before the first commercial order

For drinking-water applications, request the exact certification applicable to the product, factory and intended jurisdiction. A general company certificate does not automatically certify every grade.

Importing Potassium Permanganate into Japan

Potassium permanganate is listed under Japanese customs tariff classification HS 2841.61. Importers should confirm the applicable tariff rate and origin treatment with a customs broker for each shipment. The official 2026 tariff schedule lists potassium permanganate under this code. Japan Customs tariff reference

Potassium permanganate is also transported as an oxidizing substance. TCI publishes UN 1490, Class 5.1 and Packing Group II for its solid product.

In Japan, potassium permanganate exceeding 10% is treated as a specified narcotics and psychotropics raw material. Importers and businesses may be subject to notification and recordkeeping procedures. The Ministry of Health, Labour and Welfare publishes specific guidance, including limited exceptions for certain one-time, non-business imports. MHLW import and export guidance

Requirements depend on concentration, quantity, transaction type and business activity. Buyers should obtain confirmation from their customs broker and the relevant Japanese authority before shipment. This article is not legal or regulatory advice.

Safe Storage and Handling

Potassium permanganate is a strong oxidizing chemical. It can intensify fire when contaminated with combustible or reducing materials.

Recommended controls include:

• Store in the original closed container

• Keep the product dry and protected from contamination

• Separate it from combustible and reducing chemicals

• Use clean, compatible handling equipment

• Prevent uncontrolled release to drains or the environment

• Train workers using the current supplier SDS

• Use appropriate personal protective equipment

• Follow local dangerous-goods and fire-safety requirements

The International Chemical Safety Card warns against collecting spills with sawdust or other combustible absorbents. ILO potassium permanganate safety card

How to Compare Potassium Permanganate Prices

A low quoted price does not necessarily mean a lower delivered cost.

The final cost can include:

• Product grade and purity

• Particle-size requirements

• Packaging

• Minimum order quantity

• Dangerous-goods freight

• Port and terminal charges

• Customs clearance

• Import duties

• Domestic delivery in Japan

• Testing and supplier qualification

• Repacking or Japanese labeling

• Payment terms

• Currency changes

• Inventory and lead-time risk

For a fair comparison, request both the product price and the estimated landed cost per kilogram under the same Incoterm.

Recommended RFQ Template

Subject: Request for Quotation – Potassium Permanganate for Japan

Dear Sales Team,

We are evaluating suppliers of potassium permanganate for the Japanese market.

Please provide a quotation based on the following requirements:

Product: Potassium Permanganate
CAS Number: 7722-64-7
Required grade: [Industrial / Technical / High Purity / Reagent]
Minimum assay: [Insert requirement]
Application: [Insert application]
Required quantity: [Insert quantity]
Packaging: [Insert package requirement]
Destination: [City or port, Japan]
Incoterm: [FOB / CIF / CFR / DDP]
Required delivery date: [Insert date]

Please also provide:

1. Product specification

2. Recent certificate of analysis

3. Japanese or English SDS

4. Country of origin

5. Manufacturer’s name and production location

6. Packaging details

7. Lead time

8. Shelf life or retest period

9. Dangerous-goods transport information

10. Available sample quantity

Best regards,
[Name]
[Company]
[Contact Information]

Frequently Asked Questions

Who is a potassium permanganate manufacturer in Japan?

Nippon Chemical Industrial is a clearly identifiable Japanese manufacturer with published standard, technical and high-purity potassium permanganate specifications. FUJIFILM Wako, Kanto Chemical, TCI and several other Japanese companies manufacture or supply reagent products and prepared solutions.

Is AoZun a Japanese manufacturer?

No. AoZun Chemical is based in Changzhou, China. It is included because it supplies potassium permanganate and supports international commercial inquiries. Japanese buyers should confirm the quoted product’s manufacturing site, origin and batch specification.

What is the CAS number of potassium permanganate?

The CAS number is 7722-64-7. Its molecular formula is KMnO4.

What purity is normally available?

Published Japanese products commonly range from 99.0% to at least 99.5%, depending on grade. Buyers should compare impurities and physical properties in addition to assay.

Which package sizes are available?

Laboratory products range from approximately 25 g to 2.5 kg. Japanese industrial listings include 20 kg and 25 kg packages, while Nippon Chemical Industrial publishes packaging up to 200 kg for selected grades.

Can potassium permanganate be shipped as ordinary cargo?

No. Solid potassium permanganate is generally shipped as dangerous goods under UN 1490, Class 5.1. Packaging, labeling, documentation and carrier acceptance must be arranged accordingly.

What documents should an importer request?

At minimum, request the specification, SDS, representative COA, country of origin, manufacturer information, packaging details and dangerous-goods transport documents.

Why is Kenei Pharmaceutical not included?

Kenei’s potassium permanganate product still appears in some search and pharmaceutical databases, but the company announced its sales discontinuation in March 2024, with supply expected to end after inventory depletion. It should therefore not be presented as an active 2026 supplier. Kenei discontinuation notice

How should a buyer choose between Japanese and imported products?

Japanese sources may offer easier communication, domestic inventory and familiar documentation. Direct imports may offer better economics for larger orders. The best decision should consider delivered cost, batch consistency, regulatory support, lead time and supply continuity.

Final Recommendation

Japan offers several reliable procurement routes for potassium permanganate.

For domestic industrial manufacturing and larger Japanese packaging, Nippon Chemical Industrial is a logical company to evaluate. For laboratory and analytical products, FUJIFILM Wako, Kanto Chemical, TCI, Kishida Chemical, Junsei Chemical and Merck/Sigma-Aldrich provide well-documented options.

For importers, distributors and industrial buyers seeking an export-oriented supplier, AoZun Chemical can provide a commercial quotation based on the required grade, quantity, packaging and destination in Japan.

Contact AoZun with your required KMnO4 assay, application, annual demand, package size and destination to request a specification, COA, SDS, sample and landed-price proposal.

Editorial note: Product specifications, stock, pricing and regulatory requirements can change. All information should be reconfirmed directly with the supplier before purchasing.

Last reviewed: September 2026.