2-Methyl-5-nitrobenzenesulfonic acid
Agent Name
2-Methyl-5-nitrobenzenesulfonic acid
CAS Number
121-03-9
Formula
C7-H7-N-O5-S
Major Category
Nitrogen Compounds
Synonyms
2-Toluenesulfonic acid, 5-nitro; 4-Nitro-2-toluenesulfonic acid; 5-Nitro-2-methylbenzenesulfonic acid; 5-Nitro-o-toluenesulfonic acid; Benzenesulfonic acid, 2-methyl-5-nitro-; Kyselina 4-nitrotoluen-2-sulfonova [Czech]; Pntos; o-Toluenesulfonic acid, 5-nitro-; p-Nitrotoluene-o-sulfonic acid; 4-Nitrotoluene-2-sulphonic acid; [ChemIDplus] UN2585
Category
Nitrobenzesulfonic Acids
Description
Solid; [HSDB] Pale brown odorless crystalline powder; [MSDSonline]
Sources/Uses
Used in the chemical industry as a coloring agent and intermediate; [IUCLID]
Comments
A moderate skin irritant; A strong eye irritant, according to animal studies; Handled by workers as a "wetcake" so no dust is generated; Wetcake is corrosive to skin since it contains sulfuric acid; [IUCLID] May cause irritation; [MSDSonline]
Biomedical References
Exposure Assessment
Explanatory Notes
Flash point > 133 deg C; [IUCLID] The Guide in the Emergency Response Guidebook is for "Aryl sulfonic acids, solid, with not more than 5% free Sulfuric acid."
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.