International Chemical Safety Cards

p-TOLUENESULFONAMIDE

ICSC: 1557

4-Toluenesulfonamide
4-Methylbenzenesulfonamide
p-Tosylamide
C₇H₉NO₂S
Molecular mass: 171.2
ICSC # 1557
CAS # 70-55-3
RTECS # XT5075000
April 19, 2005 Peer reviewed

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 .

R:
S:

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: 138°C
Solubility in water, g/100 ml: 0.316
at 25°C
Vapour pressure, Pa at 25°C: negligible

Flash point:
202°C c.c.
Octanol/water partition coefficient as log Pow: 0.82

ENVIRONMENTAL
DATA

N O T E S

Other melting points: 105°C (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.