Oxalic acid dihydrate
Oxalic acid dihydrate (CAS 6153-56-6), molecular formula HO2CCO2H · 2H2O, is a high-purity chemical supplied by Tech Serve Solutions for acids & bases applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- Ethanedioic acid
| Molecular weight | 126.07 |
|---|---|
| Linear formula | HO2CCO2H · 2H2O |
| Assay | ≥99.5% (RT) |
| Grade | puriss. p.a. |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | ~1.0 (25 °C, 1 M in H2O) |
| Vapour pressure | <0.01 mmHg (20 °C) |
| Melting point | 100-102 °C104-106 °C(lit.) |
| Vapour density | 4.4 (vs air) |
| Impurities tested | ≤0.001% total nitrogen (N) |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 21/22 |
| Safety statements (S) | 24/25 |
| Cation traces | Ca: ≤10 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤2 mg/kgK: ≤50 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgNa: ≤50 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | chloride (Cl-): ≤5 mg/kgsulfate (SO42-): ≤50 mg/kg |
| Ignition residue | ≤0.01% (as SO4) |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | absorption1M/303 nm, H2O cut-off |
|---|---|
| Ign Residue 900 °C | ≤0.01% (as SO4) |
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Oxalic acid dihydrate?
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Oxalic acid dihydrate (CAS 6153-56-6), molecular formula HO2CCO2H · 2H2O, is a high-purity chemical supplied by Tech Serve Solutions for acids & bases applications, to USP, BP and EP standards.
What grades of Oxalic acid dihydrate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Oxalic acid dihydrate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Oxalic acid dihydrate?
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Oxalic acid dihydrate has CAS number 6153-56-6 and molecular formula HO2CCO2H · 2H2O. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Oxalic acid dihydrate?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Oxalic acid dihydrate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Oxalic acid dihydrate be stored?
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Store Oxalic acid dihydrate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Oxalic acid dihydrate used for?
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Oxalic acid dihydrate is used in acids & bases applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Oxalic acid dihydrate?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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