Molekula
Citric acid sodium salt anhydrous
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
Citric acid sodium salt anhydrous is a sodium salt of citric acid used as a buffering agent, chelating agent, and pH regulator in pharmaceuticals, food, and industrial applications. It appears as a white crystalline powder, is soluble in water, and is stable under ambient storage conditions. CAS: 68-04-2, Molecular formula: C6H5O7Na3, Molecular weight: 258.07 g/mol, Signal word: None. Molekula supplies Citric acid sodium salt anhydrous 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £43.80 per pack ex VAT · £52.56 inc. VAT
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 powder |
| Water | <1% |
| Heavy metals | <10ppm |
| Chloride (Cl-) | <100ppm |
| Content | 99 - 101% |
| Arsenic (As) | <3ppm |
| Sulphates (SO4)(2-) | <0.08% |
| Oxalate (Oxalic acid) | <350ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 53957224 |
| CAS Number | 68-04-2 |
| IUPAC Name | trisodium;2-hydroxypropane-1,2,3-tricarboxylate |
| EC Number | 200-675-3 |
| Molecular Formula | C6H5O7Na3 |
| Molecular Weight | 258.07 |
| Exact Mass | 257.9728 |
| SMILES | C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.[Na+].[Na+].[Na+] |
| InChIKey | HRXKRNGNAMMEHJ-UHFFFAOYSA-K |
| InChI | InChI=1S/C6H8O7.3Na/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;3*+1/p-3 |
| PubChem CID | 6224 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2918.15.1000 |
| Tariff Code | 2918150090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, 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 citric acid sodium salt anhydrous commonly used for?
It is primarily used as a buffering agent, chelating agent, and flavoring in food and beverage applications, as well as in pharmaceutical formulations and cleaning products.
What is the chemical formula and molecular weight of citric acid sodium salt anhydrous?
The chemical formula is **C6H5O7Na3**, and the molecular weight is **258.07 g/mol**.
How should citric acid sodium salt anhydrous be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and strong oxidizing agents.
What grades of citric acid sodium salt anhydrous does Molekula supply?
Molekula supplies **pharmaceutical (EP/USP) and food-grade (FCC) qualities**—please specify your application for the appropriate grade.
Can Molekula supply citric acid sodium salt anhydrous in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25kg drums, 1MT big bags) for industrial and commercial customers—contact us for pricing and lead times.
What documentation comes with an order of citric acid sodium salt anhydrous?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.