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P-Nitrotoluene-O-Sulfonic Acid

P-Nitrotoluene-O-Sulfonic acid / CAS : 121-03-9

Appearance Yellow powder UN 3261
HS 29049900 DG Class 0.0
Synonyms 4-Nitrotoluene-2-Sulphonic Acid; 2-Methyl-5-Nitrobenzenesulfonic Acid; Pntos; 5-Nitro-O-Toluenesulfonicac; Para-Nitrotoluene-Ortho-Sulfonic Acid; 4-Nitro-Toluol-2-Sulfonsaeure; 4-Nitro-2-Sulfotoluene; 2-Methyl-5-Nitro-Benzenesulfonic Acid; 5-Nitro-O-Toluenesulfonic Acid; Toluenesulfonic Acid,5-Nitr; 4-Nitrotoluol-2-Acid; 5-Nitro-O-Toluenesulfonicaci; 4-Nitro-O-Toluenesulfonicacid; 4-Nitrotoluene-2-Sulfonic Acid Dihydrate; P-Nitrotoluene Sulfonic Acid; 4-Nitrotoluene-2-Sulfonic Acid Hydrate; 4-Nitrotoluene-2-Sulfonic Acid; 4-Nitrotoluenesulfonic Acid; 2-Methyl-5-Nitrobenzenesalfonicacid; 2-Methyl-5-Nitro-Benzenesulfonicaci; 2-Toluenesulfonicacid,5-Nitro; 4-Nitrotoluene-2-Sulphonicacid; 5-Nitro-2-Methylbenzenesulfonicacid; 5-Nitro-O-Toluenesulfonicacid
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Properties

Summary

Formula
C7H7NO5S
Molecular Mass
217.19900
Exact Mass
217.00400
PSA
108.57000
Logp
2.75390
IUPAC
2-methyl-5-nitrobenzenesulfonic acid
SMILES
CC1=C(C=C(C=C1)[N+](=O)[O-])S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates
Auxiliary > Fluorescent Brightener

Chemical and Physical Properties

Melting Point
135°C
Density
1.547g/cm3
Boiling Point
500ºC
Appearance
Yellow powder
Acidity and Basicity
acidness

Export information

HS Code
29049900
Export Rebate
13%
UN No.
3261
DG-Class
0.0
Risk Code
R34
Safety Label
Xn

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