C2H6O6
126.07 g/mol
Industrial ChemicalDanger
Oxalic acid dihydrate
CAS6153-56-6EC612-167-2
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Industrial acid for processing applications
Oxalic acid dihydrate is a white crystalline solid that forms a colorless solution in water. It is the simplest dicarboxylic acid, known chemically as ethanedioic acid, and is widely used as an industrial acid for processing applications.
Industrial cleaning agentRust and scale removerChemical intermediate for manufacturing
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
StrongSame Parent
Oxalic acid
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Referencestereoisomer of
Sodium oxalate
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Referencestereoisomer of
Manganese(II) oxalate
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Research compound
Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H373May cause damage to organs through prolonged or repeated exposure
H314Causes severe skin burns and eye damage
Customs Tariff Classification
The international HS code for Oxalic acid dihydrate (CAS 6153-56-6) 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
oxalic acid;dihydrate
InChIKey
GEVPUGOOGXGPIO-UHFFFAOYSA-N
SMILES
C(=O)(C(=O)O)O.O.O
Synonyms (19)
- Ethanedioic acid, dihydrate
- OXALIC ACID (1,2-13C2)
- OXALICUM ACIDUM
- Oxalic acid dihydrate
- Oxalic acid--water (1/2)
- alpha oxalic acid dihydrate
- dihydrate oxalic acid
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