Molekula
Sodium oxalate
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 oxalate is a white crystalline organic sodium salt with the molecular formula Na₂C₂O₄, primarily used as a chelating agent, reducing agent, and in analytical chemistry for precipitation reactions. It also serves in textile dyeing, metal cleaning, and as a primary standard for standardizing potassium permanganate solutions in redox titrations. CAS 62-76-0, molecular weight 134.00 g/mol, stable at ambient storage. Signal word: Warning (harmful if swallowed or in contact with skin; H302, H312). Molekula supplies sodium oxalate 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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100 g — £26.30 per pack ex VAT · £31.56 inc. VAT
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1 kg — £77.70 per pack ex VAT · £93.24 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 crystal |
| Storage Temperature | +20 ℃ |
| Chloride (Cl-) | ≤ 0.005% |
| Content | ≥ 99.5% |
| Iron (Fe) | ≤ 0.005% |
| Lead (Pb) | ≤ 0.002% |
| Sulphates (SO4)(2-) | ≤ 0.05% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 37145065 |
| CAS Number | 62-76-0 |
| IUPAC Name | disodium;oxalate |
| EC Number | 200-550-3 |
| Molecular Formula | NaOOCCOONa |
| Molecular Weight | 134.00 |
| Exact Mass | 133.9592 |
| SMILES | C(=O)(C(=O)[O-])[O-].[Na+].[Na+] |
| InChIKey | ZNCPFRVNHGOPAG-UHFFFAOYSA-L |
| InChI | InChI=1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2 |
| PubChem CID | 6125 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2917110000 |
| Tariff Code | 2917110099 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H312 Harmful in contact with skin
Precautionary statements
- P232 Protect from moisture
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+352 IF ON SKIN: Wash with soap and water
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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
- C2Na2O4
- disodium ethanedioate
- Disodium oxalate
- Ethanedioic acid sodium salt (1:2)
- Ethanedioic acid, disodium salt
- Natriumoxalat
- Oxalic acid disodium salt
- Sodium oxalate ACS grade
- Sodium oxalate solution
- Stavelan sodny
Frequently asked questions
What is sodium oxalate commonly used for?
Sodium oxalate is primarily used in chemical analysis, as a reducing agent, and in the production of dyes, inks, and some pharmaceuticals.
What is the chemical formula and molecular weight of sodium oxalate?
The chemical formula is Na₂C₂O₄, and the molecular weight is 134.00 g/mol.
How should sodium oxalate be stored?
Store sodium oxalate in a tightly sealed container at ambient temperature, away from moisture and incompatible substances.
What grades of sodium oxalate does Molekula supply?
Molekula supplies sodium oxalate in ACS reagent grade and technical grade—contact us for specific purity requirements.
Can Molekula supply sodium oxalate in bulk quantities?
Yes, we offer sodium oxalate in bulk quantities, with flexible packaging options (drums, bags, or custom solutions).
What documentation comes with a sodium oxalate order?
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.