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Pentapotassium triphosphate

CAS 13845-36-8 K5P3O10 MW 448.41 In stock

Pentapotassium triphosphate is a water-soluble inorganic salt used as a sequestrant, pH buffer, and emulsifier in detergents, food, and industrial applications. It has a CAS number of 13845-36-8, molecular formula K5P3O10, and a molecular weight of 448.41 g/mol. Stored at ambient temperatures, it carries a warning signal word due to potential irritant properties. Molekula supplies Pentapotassium triphosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Pentapotassium triphosphate is a water-soluble inorganic salt used as a sequestrant, pH buffer, and emulsifier in detergents, food, and industrial applications. It has a CAS number of 13845-36-8, molecular formula K5P3O10, and a molecular weight of 448.41 g/mol. Stored at ambient temperatures, it carries a warning signal word due to potential irritant properties. Molekula supplies Pentapotassium triphosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White to light yellow powder
pH 9.2 - 10.1
Assay ⩾ 95.0%
Water insoluble matter ≤ 1.0%
Phosphorus pentoxide ≥ 46.0%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 13845-36-8
Molecular Formula K5P3O10
Molecular Weight 448.41
SMILES [K].O=P(O)(O)OP(=O)(O)OP(=O)(O)O
REACH Code Y113
TSCA Listed Yes
HTS Code 28353910
Tariff Code 2835390000

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01

Hazard statements

  • H319 Causes serious eye irritation

Precautionary statements

  • P264 Wash thoroughly after handling
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P337+313 If eye irritation persists get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is pentapotassium triphosphate used for?

It is used as a water softener and sequestrant in detergents and cleaning products, and as a food additive to stabilize pH and enhance texture.

What is the chemical formula and molecular weight?

The formula is K5P3O10 and the molecular weight is 448.41 g/mol.

How should pentapotassium triphosphate be stored?

It should be stored at ambient temperature, protected from moisture and heat.

What grade is available?

Available in technical grade; please contact us for specific purity or food-grade options.

Can Molekula supply it in bulk?

Yes, we can supply pentapotassium triphosphate in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

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