| | Identification | More |  | [Name] 
 2-NITROBENZENESULFONIC ACID
 |  | [CAS] 
 80-82-0
 |  | [Synonyms] 
 2-NITROBENZENESULFONATE ACID
 2-NITROBENZENESULFONIC ACID
 O-NITROBENZENESULFONIC ACID
 2-nitrobenzenesulphonic acid
 2-NITROBENZENESULFONIC ACID HYDRATE
 |  | [EINECS(EC#)] 
 201-311-6
 |  | [Molecular Formula] 
 C6H5NO5S
 |  | [MDL Number] 
 MFCD00053617
 |  | [Molecular Weight] 
 203.17
 |  | [MOL File] 
 80-82-0.mol
 | 
 | Safety Data | Back Directory |  | [Risk Statements ] 
 R34:Causes burns.
 R41:Risk of serious damage to eyes.
 |  | [Safety Statements ] 
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
 |  | [RIDADR ] 
 2305
 |  | [HS Code ] 
 2904.99.4700
 |  | [HazardClass ] 
 8
 |  | [PackingGroup ] 
 II
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 Pale yellow crystals. Melting point 70 ℃.
 |  | [Uses] 
 Used as an intermediates.
 |  | [Synthesis] 
 2-Nitrobenzenesulfonic Acid is synthesized by reacting o-Nitrobenzenesulfonyl chloride with Concentrated ammonia solution in glacial acetic acid
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