2-NITROTOLUENE-4-SULFONIC ACID
- Product Name
- 2-NITROTOLUENE-4-SULFONIC ACID
- CAS No.
- 97-06-3
- Chemical Name
- 2-NITROTOLUENE-4-SULFONIC ACID
- Synonyms
- 2-NITROTOLUENE-4-SULFONIC ACID;O-NITROTOLUENE-P-SULFONIC ACID;2-Nitro-4-Toluene Sulfonic Acid;2-nitro-p-toluenesulphonic 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
- CBNumber
- CB2335328
- Molecular Formula
- C7H7NO5S
- Formula Weight
- 217.2
- MOL File
- 97-06-3.mol
2-NITROTOLUENE-4-SULFONIC ACID Property
- Melting point:
- 92°C
- Boiling point:
- 500°C (rough estimate)
- Density
- 1.6040 (rough estimate)
- refractive index
- 1.6100 (estimate)
- pka
- -1.04±0.50(Predicted)
- EPA Substance Registry System
- Benzenesulfonic acid, 4-methyl-3-nitro- (97-06-3)
N-Bromosuccinimide Price
- Product number
- CHM0009311
- Product name
- 2-NITRO TOLUENE-4-SULFONIC ACID
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $497.45
- Updated
- 2021/12/16
- Product number
- MT-18277
- Product name
- 1-Methyl-2-nitrobenzene-4-sulfonicacid
- Purity
- 98%
- Packaging
- 5ml
- Price
- $395
- Updated
- 2021/12/16
2-NITROTOLUENE-4-SULFONIC ACID Chemical Properties,Usage,Production
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.
2-NITROTOLUENE-4-SULFONIC ACID Preparation Products And Raw materials
Raw materials
Preparation Products
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