4-Toluenesulfonamide
4-Methylbenzenesulfonamide
p-Tosylamide
C7H9NO2S
Molecular mass: 171.2
ICSC # 1557
CAS # 70-55-3
RTECS # XT5075000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Exposure
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•Inhalation
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Ventilation.
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•Skin
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Protective gloves.
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•Eyes
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Redness.
Pain.
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Safety goggles
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Do not eat, drink, or smoke during work.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: P1 filter respirator for inert particles.
Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting.
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Separated from
strong oxidants,
acids,
bases
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Important Data
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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
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Reacts
violently with
acids
,
bases
and
strong oxidants
.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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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:
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Physical
Properties
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Melting point: 138°C
Solubility in water, g/100 ml: 0.316
at 25°C
Vapour pressure, Pa at 25°C: negligible
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Flash point:
202°C c.c.
Octanol/water partition coefficient as log Pow: 0.82
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Environmental
Data
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N O T E S
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Other melting points: 105°C (hydrated).
The substance is in commercial mixtures with o-toluenesulfonamide, see ICSC 1581.
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ADDITIONAL INFORMATION
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ICSC: 1557
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p-TOLUENESULFONAMIDE
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(C) IPCS, CEC, 1994
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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.
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