sym-Triazine-2,4,6-triol
Isocyanuric acid
1,3,5-Triazine-2,4,6(1H,3H,5H) - trione
C3H3N3O3 / C3N3(OH)3
Molecular mass: 129.1
ICSC # 1313
CAS # 108-80-5
RTECS # XZ1800000
Up, & peer review October 2006 & GHS considered
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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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Gives off irritating or toxic fumes (or gases) in a fire.
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Water spray,
alcohol-resistant foam,
powder,
carbon dioxide.
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Explosion
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Cough.
Sore throat.
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Local exhaust or breathing protection.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
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Safety spectacles
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Rinse with plenty of water (remove contact lenses if easily possible).
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•Ingestion
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Sore throat.
Abdominal pain.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: P2 filter respirator for harmful particles.
Sweep spilled substance into containers.
Carefully collect remainder,
then remove to safe place.
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Dry.
Well closed.
Separated from chlorine.
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Important Data
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Physical State; Appearance:
ODOURLESS
WHITE, HYGROSCOPIC CRYSTALLINE POWDER.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating > 320 °C
producing (highly) toxic fumes including nitrogen oxides and isocyanic acid.
Reacts with chlorine
causing explosion hazard.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered
Effects of Short-Term Exposure:
The substance
is mildly irritating to the eyes
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tory tract
Effects of Long-Term or Repeated Exposure:
When ingested in large amounts
the substance may have effects on the kidneys
, resulting in tissue lesions.
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Physical
Properties
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Decomposes at 320-360 °C
Density: 2.5
g/cm3
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Solubility in water, g/100 ml at 25°C: 0.27
Vapour pressure, Pa at 25°C: <0.005
Octanol/water partition coefficient as log Pow: <0.3
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Environmental
Data
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 1313
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CYANURIC ACID
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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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