Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H315
Sourcing Oxalic acid dihydrate?
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Ammonium oxalate monohydrate
Leather tanning and fabric dyeing
Sourcing Oxalic acid dihydrate?
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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.
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.
The international HS code for Oxalic acid dihydrate (CAS 6153-56-6) is 2917.11.
2917.11
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.
oxalic acid;dihydrate
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