Oxalic acid, GR 99.5%+

Name: Oxalic acid, GR 99.5%+
Brand: Vaqora Chemicals
SKU: VQ-008562

About Oxalic acid, GR 99.5%+

Listed under CAS 6153-56-6, Oxalic acid is a carboxylic acid available from Vaqora Chemicals in AR grade with a typical assay of ≥99.5%. The compound has the formula C2H6O6, corresponding to a molecular weight of 126.07 g/mol. The IUPAC name is oxalic acid. Dihydrate. Common synonyms include Ethanedioic acid and Oxalic acid dihydrate.

The material typically appears as a white powder. Key physical data: a melting point of 104-106 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span pharmaceutical synthesis and textile processing. Typical end-use sectors are pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

Standard pack sizes are 500 g, 5 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmaceutical synthesis
Textile processing

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Oxalic acid, GR 99.5%+
Catalogue No.	VQ-008562
CAS Number	6153-56-6
IUPAC name	oxalic acid;dihydrate
Molecular formula	C₂H₆O₆
Molecular weight	126.07 g/mol
Exact mass	126.0164
Grade	AR
Purity / assay	≥99.5%
HSN code	29171110
InChIKey	GEVPUGOOGXGPIO-UHFFFAOYSA-N
SMILES	C(=O)(C(=O)O)O.O.O
PubChem CID	61373

Physical properties
Physical form	Powder
Appearance	White powder
Melting point	104-106 °C
H-bond donors / acceptors	4 / 6
TPSA	76.6 Å²
UN number	UN 3261
Synonyms	Ethanedioic acid, Oxalic acid dihydrate, Ethanedioic acid, dihydrate, Oxalic acid, dihydrate, Oxalicaciddihydrate, oxalicacid dihydrate, dihydrate oxalic acid, oxalic acid di-hydrate, alpha oxalic acid dihydrate, Oxalic acid dihydrate, 97%, Oxalic acid--water (1/2), C2H6O6

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302+H312Harmful if swallowed or in contact with skin
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P260, P264, P264 + P265, P270, P280, P301 + P317, P302 + P352, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 6153-56-6

Oxalic acid, ≥99.5%

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-008563

Oxalic acid, 0.01 mol/L (0.02N) solution

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-003616

Oxalic acid, 0.05 mol/L (0.1N) solution

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-003617

Oxalic acid, 0.1N volumetric standard solution

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-000106

Oxalic acid, 0.5 mol/L (1N) solution

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-003618

Oxalic acid, 99%

CAS: 6153-56-6
Formula: C₂H₆O₆
MW: 126.07 g/mol

VQ-008561

Frequently asked questions

What is the CAS number of Oxalic acid, GR 99.5%+?

The CAS Registry Number of Oxalic acid, GR 99.5%+ is 6153-56-6. It is also known as Ethanedioic acid, Oxalic acid dihydrate, Ethanedioic acid, dihydrate.

What is the molecular formula and molecular weight of Oxalic acid, GR 99.5%+?

Oxalic acid, GR 99.5%+ has the molecular formula C2H6O6 and a molecular weight of 126.07 g/mol.

Which grade and pack sizes of Oxalic acid, GR 99.5%+ can I order?

We supply Oxalic acid, GR 99.5%+ in AR (≥99.5%) grade, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Oxalic acid, GR 99.5%+?

Yes. Every lot of Oxalic acid, GR 99.5%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Oxalic acid, GR 99.5%+ be shipped internationally?

Yes. Oxalic acid, GR 99.5%+ is classified as hazardous (UN 3261), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.