| | Identification | More |  | [Name] 
 2-Sulfobenzoic acid
 |  | [CAS] 
 632-25-7
 |  | [Synonyms] 
 2-SULFOBENZOIC ACID
 2-SULFOBENZOIC ACID TRIHYDRATE
 2-SULFOBENZOIC ACID UNHYDRATE
 LABOTEST-BB LT00454213
 O-SULFOBENZOIC ACID
 2-sulfo-benzoicaci
 2-sulphobenzoic acid
 o-Carboxybenzenesulfonic acid
 ORTHO-SULPHOBENZOICACID
 2-Carboxybenzenesulfonic acid
 |  | [EINECS(EC#)] 
 211-176-5
 |  | [Molecular Formula] 
 C7H6O5S
 |  | [MDL Number] 
 MFCD00007479
 |  | [Molecular Weight] 
 202.18
 |  | [MOL File] 
 632-25-7.mol
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 C
 |  | [Risk Statements ] 
 R34:Causes burns.
 R22:Harmful if swallowed.
 |  | [Safety Statements ] 
 S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
 S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 White needles. Soluble in water
and alcohol; insoluble in ether.
 |  | [Synthesis Reference(s)] 
 The Journal of Organic Chemistry, 16, p. 1582, 1951 DOI: 10.1021/jo50004a014
 |  | [Purification Methods] 
 Crystallise the acid from water. The S-benzylisothiuronium salt has m 205.5-206.5o (from aqueous EtOH). [Beilstein 1 H 369, 1 II 215, 1 III 658.]
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