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Cyclopentylamine

Cyclopentylamine, also known as Aminocyclopentane, is a primary cycloaliphatic amine with the formula C5H11N. It is a clear liquid used as a building block in pharmaceutical, agrochemical and fine chemical synthesis. Its primary amino group enables the preparation of a range of cyclopentyl-containing derivatives.

Synonym:
Aminocyclopentane
Appearance:
Colorless liquid
CAS No.:
1003-03-8
Molecular Formula:
C5H11N
Molecular Weight:
85.15
EINECS:
213-697-3
Flash Point:
63 °F
Solubility:
Completely miscible with wate

Availability:



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Product Description

Product Description

Product Overview

Cyclopentylamine (CAS 1003-03-8) contains a primary amino group attached to a five-membered carbon ring. It is used as a synthesis intermediate where a cyclopentylamino group is required in the target molecule.

Aozun Chemical supplies Cyclopentylamine for chemical synthesis applications. When requesting an offer, please specify your purity requirement, water limit, impurity requirements and intended process so that the proposed material can be evaluated against your purchasing specification.

Product Information

Item	Information
Product Name	Cyclopentylamine
Synonyms	Aminocyclopentane, Cyclopentanamine
CAS Number	1003-03-8
Molecular Formula	C5H11N
Molecular Weight	85.15 g/mol
EC / EINECS Number	213-697-3
Chemical Type	Primary cycloaliphatic amine
Physical State	Liquid

Cyclopentylamine Specifications

Parameter	Specification
Purity	≥99.0%
Water Content	≤0.5%
Color, APHA	≤50

The applicable specification and analytical methods should be confirmed before ordering. Batch results are subject to the corresponding Certificate of Analysis.

Physical Properties — Reference Information

Property	Reference Value
Appearance	Colorless to light yellow clear liquid
Density at 20°C	Approximately 0.86–0.87 g/cm³
Boiling Point	Approximately 106–108°C
Melting Point	Approximately −86°C
Solubility in Water	Completely miscible

Physical properties are provided for reference and do not replace the agreed product specification or Safety Data Sheet.

Key Features

Primary Amine Functionality: Provides a reactive amino group for suitable derivatization reactions.
Cyclopentyl Building Block: Introduces a five-membered carbocyclic group into target molecules.
Liquid Form: Suitable for controlled transfer and dosing in appropriately designed chemical processing systems.
Water Miscibility: Completely miscible with water; compatibility with other process components should be evaluated for the intended reaction.

Applications of Cyclopentylamine

1. Pharmaceutical Intermediate

Used as a building block in pharmaceutical intermediate synthesis.
Introduces a cyclopentylamino group into suitable target structures.
Purity and impurity requirements should be evaluated for the specific synthetic route.

2. Agrochemical Industry

Used as an intermediate in herbicide production and selected crop-protection synthesis routes.
Provides primary amine functionality for preparing downstream intermediates.
Suitability depends on the target compound and manufacturing process.

3. Organic Synthesis

Used to prepare N-cyclopentyl amides, ureas and carbamates through suitable reactions.
Serves as an amine reactant in the synthesis of nitrogen-containing organic compounds.
Reaction conditions and material requirements should be selected for the intended transformation.

4. Specialty Chemical Manufacturing

Used as an intermediate in fine chemical synthesis.
Provides a starting material for preparing cyclopentyl-containing derivatives.
Application-specific impurity limits should be agreed before commercial supply.

5. Research & Development

Used in laboratory synthesis and reaction screening.
Supports the preparation and evaluation of cyclopentyl-containing compounds.
Can be evaluated during process development before scale-up.

Quality Documentation & Purchasing Support

Request the product specification, Certificate of Analysis and Safety Data Sheet for review.
Submit any additional requirements for water, color or specific impurities before order confirmation.
Confirm packaging, order quantity, delivery destination and required shipping documents with the quotation.Packaging and Storage

Packaging & Storage

Packaging

Supplied in compatible containers suitable for the product and transport conditions.
Confirm drum size, net weight and IBC availability when requesting a quotation.
Discuss any special labeling or delivery requirements before order confirmation.

Storage Conditions

Keep containers tightly closed in a cool, dry and well-ventilated storage area.
Protect from direct sunlight and keep away from heat, sparks and open flames.
Store separately from acids, oxidizing agents and other incompatible materials.
Minimize exposure to air and follow supplier instructions on inert-gas protection.

Safety & Handling

Highly flammable; keep the liquid and vapour away from ignition sources.
Ingestion can be fatal, and inhalation presents a serious poisoning hazard.
Contact can cause severe skin burns and eye injury.
Use suitable ventilation, protective gloves, clothing and eye or face protection.
Follow the supplied SDS for transfer procedures, spill response and disposal.

Frequently Asked Questions

Q1: What is Cyclopentylamine used for?

Cyclopentylamine is used as a building block in pharmaceutical intermediates, herbicide production and fine chemical synthesis. The required material specification depends on the intended reaction and downstream product.

Q2: Is Cyclopentylamine soluble in water?

Yes. Cyclopentylamine is completely miscible with water. Compatibility with other solvents and formulation components should be evaluated under the intended process conditions.

Q3: What purity of Cyclopentylamine is listed?

The published purity specification is ≥99.0%. Please request the current product specification and confirm the analytical method, water limit and any additional impurity requirements before purchasing.

Q4: Is Cyclopentylamine a finished pharmaceutical ingredient?

It is supplied here as a chemical synthesis intermediate. Use in a pharmaceutical manufacturing route requires evaluation against the purchaser’s material specification and qualification requirements.

Q5: What documents should I request before ordering?

Request the product specification, Certificate of Analysis and Safety Data Sheet. Additional testing or documentation requirements should be discussed before order confirmation.

Request a Cyclopentylamine Quotation

Contact Aozun Chemical for Cyclopentylamine pricing, product specifications and packaging information.

For an accurate quotation, please provide your required quantity, intended application, purity and impurity requirements, preferred packaging, destination port and delivery schedule. If available, attach your purchasing specification for review.

Please also indicate whether you require a sample, additional testing or specific supporting documents before order confirmation.