Molekula
Sodium hexametaphosphate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sodium hexametaphosphate is a water-soluble inorganic compound used as a sequestrant, dispersant, and anti-caking agent in industries like food processing, water treatment, and detergent formulation. It binds metal ions to prevent precipitation and scale formation. This chemical has a CAS number of 68915-31-1, a molecular formula of (NaPO3)n, and a molecular weight of 221.94. It is stored at ambient conditions, with a signal word of Warning for safety. Molekula supplies Sodium hexametaphosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White solid |
| pH | 5.8 - 6.5 (1% in water) |
| Heavy Metals (Pb) | ≤ 10ppm |
| Iron (Fe) | ≤ 200ppm |
| Identification (IR) | Conforms to Reference |
| Arsenic (As) | ≤ 3ppm |
| Fluoride (F-) | ≤ 30ppm |
| Identification (RAMAN) | Conforms to Reference |
| Inactive phosphate | ≤ 7.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89991447 |
| CAS Number | 68915-31-1 |
| Molecular Formula | (NaPO3)n |
| Molecular Weight | 221.94 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2835395000 |
| Tariff Code | 2835390000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H303 May be harmful if swallowed
- H319 Causes serious eye irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- 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
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is sodium hexametaphosphate commonly used for?
Sodium hexametaphosphate is primarily used as a sequestering agent in detergents, water treatment (to soften water and prevent scale), and as a dispersant in industrial processes like ceramics and paper manufacturing.
What is the chemical formula and molecular weight of sodium hexametaphosphate?
The chemical formula is (NaPO₃)ₙ (a polymer with n typically between 6–20), and the molecular weight listed for this product is 221.94 g/mol. Each NaPO₃ unit is about 101.96 g/mol, so the hexamer (n=6) would be about 611.8 g/mol.
How should sodium hexametaphosphate be stored?
Store in a cool, dry place at ambient temperature, away from moisture and incompatible substances. Ensure containers are tightly sealed.
What grades of sodium hexametaphosphate does Molekula supply?
Molekula supplies technical/industrial grade sodium hexametaphosphate, meeting standard purity requirements for sequestration and dispersion applications.
Can Molekula supply sodium hexametaphosphate in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25 kg bags, 1 MT big bags) for large-scale industrial or commercial use—contact us for custom quotes.
What documentation is provided with a sodium hexametaphosphate order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a compliance certificate for purity and heavy metals (if applicable).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.