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Synthetic, Protecting & Derivatization Reagents

Oxalic acid, anhydrous, 99%+

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Oxalic acid, anhydrous, 99%+ (CAS 144-62-7) supplier Zemixal: C2H2O4, COA and SDS with every lot, worldwide shipping. Purity ≥99%.

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Oxalic acid, anhydrous, 99%+ chemical structure
CAS number144-62-7
FormulaC2H2O4
Molar mass90.03 g/mol
Physical formCrystalline
HS code29171110
UN numberUN 3261
Purity≥99%
InChIKeyMUBZPKHOEPUJKR-UHFFFAOYSA-N
IUPAC nameoxalic acid

About Oxalic acid, anhydrous, 99%+

Oxalic acid, anhydrous, 99%+ is part of the Zemixal synthetic, Protecting & Derivatization Reagents range. Key data (≥99%): CAS 144-62-7, formula C2H2O4 and molar mass 90.03 g/mol. Typical appearance is colourless to white powder or crystals.

Common uses in the lab and plant

  • Organic synthesis
  • Reaction development
  • Medicinal chemistry

Storage and safety notes

Literature values: melting point 189 °C (decomposition) and density 1.9 g/cm3 (20 °C). Classified under GHS with signal word Warning and hazard statements H302 and H312. Read the SDS before first use. For transport it ships as UN UN 3261.

Order it in 50 g, 100 g, 250 g, 1 kg and 25 kg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Organic synthesis
  • Reaction development
  • Medicinal chemistry

Applications

Specifications and identifiers

Specifications of Oxalic acid, anhydrous, 99%+
Product nameOxalic acid, anhydrous, 99%+
Catalogue numberZX-000914
CAS number144-62-7
IUPAC nameoxalic acid
Molecular formulaC2H2O4
Molar mass90.03 g/mol
Exact mass89.9953
Purity / assay≥99%
Physical formCrystalline
AppearanceColourless to white powder or crystals
Melting point189 °C (decomposition)
Density1.9 g/cm3 (20 °C)
XLogP3-0.3
H-bond donors / acceptors2 / 4
Topological polar surface area74.6 Ų
HS code29171110
UN numberUN 3261
InChIKeyMUBZPKHOEPUJKR-UHFFFAOYSA-N
SMILESC(=O)(C(=O)O)O
PubChem CID971
Synonymsethanedioic acid, Aktisal, Aquisal, Oxiric acid, Kyselina stavelova, Acidum oxalicum, Acide oxalique, Acido ossalico, Ethanedionic acid, Ethane-1,2-dioic acid, Oxalic acid, anhydrous, Acid, Oxalic

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H312Harmful in contact with skin

Precautionary statements P264, P270, P280, P301 + P317, P302 + P352, P317, P321, P330, P362 + P364, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Oxalic acid, anhydrous, 99%+
50 gQuoted on request
100 gQuoted on request
250 gQuoted on request
1 kgQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Oxalic acid, anhydrous, 99%+

Which CAS number identifies Oxalic acid, anhydrous, 99%+?
Oxalic acid, anhydrous, 99%+ is registered under CAS 144-62-7. You may also see it listed as ethanedioic acid, Aktisal, Aquisal. Our catalogue number for this item is ZX-000914.
What are the formula and molar mass of Oxalic acid, anhydrous, 99%+?
For Oxalic acid, anhydrous, 99%+, its formula is C2H2O4 and its molar mass is 90.03 g/mol. The systematic (IUPAC) name is oxalic acid. InChIKey MUBZPKHOEPUJKR-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Oxalic acid, anhydrous, 99%+?
This listing is ≥99% purity. Standard packs are 50 g, 100 g, 250 g, 1 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Oxalic acid, anhydrous, 99%+?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Oxalic acid, anhydrous, 99%+ to my country?
Yes. Because Oxalic acid, anhydrous, 99%+ is classed as hazardous (UN 3261), it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
Oxone
CAS
70693-62-8
Formula
KHSO5.0.5KHSO4.0.5K2SO4
MW
307.38 g/mol
ZX-000915

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