| Identification | Back Directory | [Name]
2-NITROTOLUENE-4-SULFONIC ACID | [CAS]
97-06-3 | [Synonyms]
2-NITROTOLUENE-4-SULFONIC ACID
O-NITROTOLUENE-P-SULFONIC ACID
2-nitro-p-toluenesulphonic acid
2-Nitro-4-Toluene Sulfonic Acid
4-METHYL-3-NITROBENZENSULFONIC ACID
4-methyl-3-nitro-benzenesulfonicaci
4-METHYL-3-NITROBENZENE SULFONIC ACID
4-methyl-3-nitrobenzene sulfonic aicd
ortho-nitro-toluene-para-sulphonicacid
1-METHYL-2-NITROBENZENE-4-SULFONIC ACID
Benzenesulfonic acid, 4-methyl-3-nitro-
1-Methyl-2-nitrobenzene-4-sulfonic acid
o-Nitrotoluene-p-sulfonic acid | [EINECS(EC#)]
202-556-1 | [Molecular Formula]
C7H7NO5S | [MDL Number]
MFCD00035917 | [MOL File]
97-06-3.mol | [Molecular Weight]
217.2 |
| Hazard Information | Back Directory | [Physical properties]
2-Nitrotoluene-4-sulfonic Acid, crystallizes from water as pale yellow hygroscopic needles of the dihydrate. | [Uses]
The total liquor of 2-Nitrotoluene-4-sulfonic Acid is hydrogenated in situ to give o-toluidine-4-sulfonic acid [618-03-1]. Isolated 2-nitrotoluene-4- sulfonic acid may be converted to 2-nitro-p-toluenesulfonyl chloride [54090-41-4], but the preferred process for [54090-41-4] is chlorosulfonation of 2-nitrotoluene. Reaction of [54090-41-4] with dimethylamine followed by reduction gives 3-amino-4-methyl-N,N-dimethylbenzenesulfonamide [6331-68-6] for use as an azoic diazo component. | [Production Methods]
2-Nitrotoluene is sulfonated by heating with 25 % oleum at 80 ℃ for 3 h, then quenching and liming to give a neutral solution of the sodium salt of 2-Nitrotoluene-4-sulfonic Acid. |
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