Molekula
Sodium acetate trihydrate Ph. Eur., BP, ChP, JP, USP
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 acetate trihydrate Ph. Eur., BP, ChP, JP, USP is a high-purity salt used as a buffer in pharmaceuticals, biochemical research, and industrial applications. It is available in powder or crystalline form. CAS: 6131-90-4, Molecular formula: CH3COONa · 3H2O, Molecular weight: 136.08, Storage: Ambient. Molekula supplies Sodium acetate trihydrate Ph. Eur., BP, ChP, JP, USP 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.
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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 | Colourless crystals |
| pH | 7.5 - 9.0 (5% in water) |
| Loss on Drying | 39.0 - 40.5% (@130℃) |
| Chloride (Cl-) | ≤ 0.005% |
| Assay | 99.5 - 101.0% |
| Heavy Metals (Pb) | ≤ 0.0006% |
| Water insoluble matter | ≤ 0.03% |
| Bacterial endotoxins | ≤ 2.5 IU/g |
| Iron (Fe) | ≤ 0.0006% |
| Arsenic (As) | ≤ 0.0001% |
| Calcium (Ca) | ≤ 0.002% |
| Magnesium (Mg) | ≤ 0.002% |
| Free acetic acid | ≤ 0.4% |
| Potassium (K) | ≤ 0.005% |
| Total Aerobic Microbial Count | ≤ 100 CFU/g |
| Aluminium (Al) | ≤ 0.00002% |
| Sulphates (SO4)(2-) | ≤ 0.003% |
| Mould & Yeast | ≤ 100 CFU/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90036333 |
| CAS Number | 6131-90-4 |
| Molecular Formula | CH3COONa · 3H2O |
| Molecular Weight | 136.08 |
| SMILES | [Na].O=C(O)C.O |
| REACH Code | Y113 |
| HTS Code | 29152920 |
| Tariff Code | 2915290000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
- P314 Get medical advice/attention if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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 acetate trihydrate used for?
It is commonly used as a buffer in biochemical applications and in the production of pharmaceuticals and food additives, including use as the food additive E262 in salt-and-vinegar flavouring.
What is the chemical formula and molecular weight?
The formula is CH3COONa · 3H2O with a molecular weight of 136.08 g/mol.
How should sodium acetate trihydrate be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grades are available?
Available in Ph. Eur., BP, ChP, JP, and USP grades for pharmaceutical and analytical use.
Can Molekula supply this in bulk?
Yes, Molekula can supply sodium acetate trihydrate in bulk quantities upon request.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and, if required, a Certificate of Compliance (CoC) for the specified pharmacopeial grade.
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.