CH4O6S2
176.17 g/mol
Industrial ChemicalDanger
METHANEDISULFONIC ACID
CAS503-40-2EC207-966-4
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
disulfonic acid reagent
Methanedisulfonic acid is an organosulfur compound that serves as the disulfonic acid derivative of methane. It is typically prepared by treating methanesulfonic acid with oleum.
disulfonic acid reagent
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
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ReferenceSame Category
Phorone
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Industrial solvent for lacquers and coatings
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for METHANEDISULFONIC ACID (CAS 503-40-2) is 2904.10.
HS code (international, 6-digit)
2904.10
EU CN code (8-digit)
2904 10 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
methanedisulfonic acid
InChIKey
OPUAWDUYWRUIIL-UHFFFAOYSA-N
SMILES
C(S(=O)(=O)O)S(=O)(=O)O
Synonyms (6)
- METHANEDISULFONIC ACID
- Methanedisulphonic acid
- Methionic acid
- Methionsaure
- methylenedisulfonic acid
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