Agent Name |
p-Toluenesulfonic acid |
CAS Number |
104-15-4 |
Formula |
C7-H8-O3-S |
Major Category |
Other Classes |
Synonyms |
4-Methylbenzenesulfonic acid; p-Toluenesulfonic acid; Methylbenzenesulfonic acid; PTSA; Toluene-4-sulfonic acid; Toluenesulfonic acid; Tosic acid; [ChemFinder] |
Category |
Sulfur Compounds |
Description |
Colorless crystals; |
Sources/Uses |
Used in the chemical industry as a catalyst; also used in the manufacturing of textile dyes, drugs, cleaning agents, polymers, and paints; [HSDB] Used in photography (color bleaching); [www.ci.tucson.az.us/arthazards/medium.html] |
Comments |
Corrosive to skin; [Quick CPC] High inhalation exposure of dust may cause pulmonary edema; [ICSC] |
Reference Link |
HSDB |
Exposure Assessment |
Skin Designation (ACGIH) |
Not evaluated |
Explanatory Notes |
Melting point = 106-107 degrees C; [HSDB] |
Reference Link |
International Chemical Safety Cards (WHO/IPCS/ILO) |
Flammability (NFPA) |
1: must be preheated |
Adverse Effects |
Toxic Pneumonitis |
Yes |
Dermatotoxin |
Skin Burns |
Links to Other NLM Databases |
Health Studies |
Human Health Effects from Hazardous Substances Data Bank: P-TOLUENESULFONIC ACID
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