C4H6O4
118.09 g/mol
Industrial ChemicalDanger
Dimethyl oxalate
CAS553-90-2EC209-053-6
Category
Industrial Chemical
Compound Class
Ester
Primary Use
Dimethyl ester of oxalic acid intermediate
Dimethyl oxalate is an organic compound that serves as the dimethyl ester of oxalic acid. It is a colorless or white solid that is soluble in water.
Intermediate in the production of oxalic acid derivativesReagent in organic synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongForm Family
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StrongForm Family
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Safety Reference
Danger
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Dimethyl oxalate (CAS 553-90-2) is 2917.11.
HS code (international, 6-digit)
2917.11
EU CN code (8-digit)
2917 11 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
dimethyl oxalate
InChIKey
LOMVENUNSWAXEN-UHFFFAOYSA-N
SMILES
COC(=O)C(=O)OC
Synonyms (8)
- Dimethyl oxalate
- METHYL OXALATE
- Oxalic acid dimethyl ester
- dimethyl ethane-1,2-dioate
- dimethyl ethanedioate
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