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CYANURIC ACID

ICSC: 1313

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
October 12, 2006 Validated
Up, & peer review October 2006 & GHS considered

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Gives off irritating or toxic fumes (or gases) in a fire.

Water spray, alcohol-resistant foam, powder, carbon dioxide.
EXPLOSION

In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
PREVENT DISPERSION OF DUST!

 •INHALATION Cough. Sore throat.
Local exhaust or breathing protection.
Fresh air, rest.
 •SKIN
Protective gloves.
Rinse and then wash skin with water and soap.
 •EYES Redness.
Safety spectacles
Rinse with plenty of water (remove contact lenses if easily possible).
 •INGESTION Sore throat. Abdominal pain.
Do not eat, drink, or smoke during work.
Rinse mouth.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into containers. Carefully collect remainder, then remove to safe place.
Dry. Well closed. Separated from chlorine.

ICSC: 1313 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.

CYANURIC ACID

ICSC: 1313

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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.


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 . 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.

PHYSICAL
PROPERTIES

Decomposes at 320-360 °C
Density: 2.5
g/cm3
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

ENVIRONMENTAL
DATA


N O T E S

ADDITIONAL INFORMATION



ICSC: 1313 CYANURIC ACID
(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.
 
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