International Chemical Safety Cards

p-TOLUENESULFONAMIDE ICSC: 1557
World Health Organization (WHO) International Labour Organization (ILO) United Nations Environmental Programme (UNEP) European Commission National Institute for Occupational Safety and Health (NIOSH)
4-Toluenesulfonamide
4-Methylbenzenesulfonamide
p-Tosylamide
C7H9NO2S
Molecular mass: 171.2
ICSC #    1557
CAS #     70-55-3
RTECS # XT5075000
April 19, 2005 Validated
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 STORAGE PACKAGING & LABELLING
Personal protection: P1 filter respirator for inert particles. Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting.
Separated from strong oxidants, acids, bases .

SEE IMPORTANT INFORMATION ON BACK
ICSC: 1557 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards

p-TOLUENESULFONAMIDE ICSC: 1557
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PHYSICAL STATE; APPEARANCE:
WHITE CRYSTALS

PHYSICAL DANGERS:


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.


ROUTES OF EXPOSURE:


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.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
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

N O T E S
Other melting points: 105C (hydrated). The substance is in commercial mixtures with o-toluenesulfonamide, see ICSC 1581.
NFPA Code: H1; F1; R0;
ADDITIONAL INFORMATION


ICSC: 1557 p-TOLUENESULFONAMIDE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.