ChemicalBook Product Catalog Organic Chemistry Hydrocarbons and derivatives Hydrocarbon nitrification 2-Methyl-5-nitrobenzenesulfonic acid

2-Methyl-5-nitrobenzenesulfonic acid

2-Methyl-5-nitrobenzenesulfonic acid Basic information
Product Name:2-Methyl-5-nitrobenzenesulfonic acid
Synonyms:2-Methyl-5-nitrobenzenesalfonicacid;2-methyl-5-nitro-benzenesulfonicaci;2-toluenesulfonicacid,5-nitro;4-Nitro-o-toluenesulfonicacid;4-nitrotoluene-2-sulphonicacid;5-nitro-2-methylbenzenesulfonicacid;5-nitro-o-toluenesulfonicaci;5-nitro-o-toluenesulfonicacid
CAS:121-03-9
MF:C7H7NO5S
MW:217.2
EINECS:204-445-3
Product Categories:Intermediates of Dyes and Pigments
Mol File:121-03-9.mol
2-Methyl-5-nitrobenzenesulfonic acid Structure
2-Methyl-5-nitrobenzenesulfonic acid Chemical Properties
Melting point 135°C
Boiling point 500°C (rough estimate)
density 1.6040 (rough estimate)
vapor pressure 0Pa at 20℃
refractive index 1.6100 (estimate)
storage temp. Sealed in dry,Room Temperature
solubility Methanol (Slightly), Water (Slightly)
pka-1.14±0.33(Predicted)
form Solid
color Very Dark Brown
Water Solubility 667g/L at 23℃
CAS DataBase Reference121-03-9(CAS DataBase Reference)
EPA Substance Registry SystemBenzenesulfonic acid, 2-methyl-5-nitro- (121-03-9)
Safety Information
Hazard Codes Xn
Risk Statements 34-41-43-36-22
Safety Statements 26-36/37/39-39-36/37
RIDADR 3261
RTECS DB7175000
HS Code 2904.99.4700
HazardClass 8
PackingGroup III
Hazardous Substances Data121-03-9(Hazardous Substances Data)
Toxicityrat,LD50,oral,3710mg/kg (3710mg/kg),"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1055, 1986.
MSDS Information
2-Methyl-5-nitrobenzenesulfonic acid Usage And Synthesis
Uses5-Nitro-o-toluenesulfonic Acid is a precursor to 4,4''-dinitrostilbene-2,2''-disulfonic acid in fluorescent whitener.
DefinitionChEBI: The arenesulfonic acid that is toluene-2-sulfonic acid bearing a nitro substituent at C-4.
Flammability and ExplosibilityNonflammable
2,4,6-Trinitrotoluene p-Toluenesulfonic acid 2-Nitrotoluene 2-Chloro-6-nitrotoluene Sodium 3-nitrobenzenesulphonate Sodium xylenesulfonate SULFONIC ACID 4-ACETAMIDO-4'-NITROSTILBENE-2,2'-DISULFONIC ACID, DISODIUM SALT 2-Methyl-5-nitrobenzenesulfonic acid Tribenuron methyl 2,4-DINITROTOLUENE-6-SULFONIC ACID Ethyl p-toluenesulfonate 4,4'-Dinitrostilbene-2,2'-disulfonic acid Methyl p-toluenesulfonate Methyl acetate Methyl bromide 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid 4-Chloro-2-nitrotoluene
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