Sodium Trimetaphosphate(STMP) CAS No.7785-84-4

Chemical Identification

• Product Name: Sodium Trimetaphosphate

• Abbreviation: STMP

• Chemical Formula: Na₃P₃O₉

• CAS Number: 7785-84-4

• EC Number: 232-088-0

• Appearance: White crystalline powder

• Solubility: Soluble in water

  
  

Key Properties

• Excellent sequestration of metal ions

• Good water solubility and dispersibility

• Improves stability and texture in formulations

• Chemically stable under normal storage conditions

• Compatible with a wide range of industrial systems

These properties make STMP a versatile phosphate for both industrial and regulated applications.

Applications

Sodium Trimetaphosphate is used across multiple industries:

• Food Industry
  Used as a functional phosphate to improve texture, water retention, and stability in processed foods.

• Detergents & Cleaning Products
  Acts as a water softener and performance enhancer.

• Ceramics & Construction Materials
  Used as a dispersing agent to improve slurry flow and particle distribution.

• Water Treatment
  Helps control scale formation and metal ion activity.

• Chemical Processing
  Used as an intermediate and functional additive in various formulations.

Packaging & Storage

• Supplied in 25 kg bags, jumbo bags, or customized packaging

• Store in a cool, dry, and well-ventilated area

• Keep containers tightly sealed to prevent moisture absorption

• Avoid prolonged exposure to humidity

Safety & Handling

• Handle in accordance with standard chemical safety procedures

• Use appropriate personal protective equipment (PPE)

• Avoid dust generation and inhalation

• Intended for industrial and professional use

  
  

Frequently Asked Questions (FAQs)

What is Sodium Trimetaphosphate used for?

STMP is used in food processing, detergents, ceramics, water treatment, and chemical manufacturing as a sequestrant, dispersant, and functional phosphate.

Is STMP water soluble?

Yes. Sodium Trimetaphosphate dissolves readily in water, making it suitable for aqueous systems.

Can STMP be used in food applications?

Yes. Food-grade Sodium Trimetaphosphate can be supplied upon request, subject to specification and regulatory requirements.

How does STMP work in detergents?

It softens water by binding metal ions, improving cleaning efficiency and product stability.

How should Sodium Trimetaphosphate be stored?

It should be stored in sealed packaging, in a dry environment, away from moisture and excessive heat.

Is Sodium Trimetaphosphate suitable for export?

Yes. STMP is widely exported with compliant packaging, labeling, and documentation.

Why Choose Us

• Stable and consistent product quality

• Flexible grades and packaging options

• Experience in phosphate chemicals and exports

• Professional logistics and documentation support

  
  

Contact Us

For specifications, pricing, or technical inquiries, please contact us:

Email: lisa@aozunchem.com
WhatsApp: +86-186-5121-5887

We look forward to supporting your Sodium Trimetaphosphate (STMP) CAS 7785-84-4 sourcing needs.