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p-TOLUENESULFONAMIDE ICSC: 1557
Date of Peer Review: April 2005

4-Toluenesulfonamide
4-Methylbenzenesulfonamide
p-Tosylamide
CAS # 70-55-3 C7H9NO2S
RTECS # XT5075000 Molecular mass: 171.2
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Powder, water spray, foam, carbon dioxide.
EXPLOSION


EXPOSURE


Inhalation
Ventilation.

Skin
Protective gloves.

Eyes Redness. Pain.
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work.

SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P1 filter respirator for inert particles. Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE
NFPA Code: H1; F1; R0;
Separated from strong oxidants, acids, bases.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

SEE IMPORTANT INFORMATION ON BACK
p-TOLUENESULFONAMIDE ICSC: 1557
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
WHITE CRYSTALS

CHEMICAL DANGERS:
The substance decomposes on burning producing toxic fumes including nitrogen oxides and sulfur oxides. Reacts violently with acids, bases and strong oxidants.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK not established.
INHALATION RISK:
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:
May cause mechanical irritation to the eyes.

PHYSICAL PROPERTIES
Melting point: 138C
Solubility in water, g/100 ml: 0.316 at 25C
Vapour pressure, Pa at 25C: negligible
Flash point: 202C c.c.
Octanol/water partition coefficient as log Pow: 0.82
ENVIRONMENTAL DATA

NOTES
Other melting points: 105C (hydrated). The substance is in commercial mixtures with o-toluenesulfonamide, see ICSC 1581.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999