INTOX Home Page
KAOLIN ICSC: 1144
Date of Peer Review: October 1995

Hydrated aluminium silicate
China clay
Argilla
CAS # 1332-58-7 H2Al2Si2O8 H2O
RTECS # GF1670500 Molecular mass: 258 (approx)
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible.

In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

Inhalation
Avoid inhalation of fine dust and mist. Local exhaust or breathing protection.
Fresh air, rest.
Skin
Protective gloves.
Rinse and then wash skin with water and soap.
Eyes
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion


SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting. Personal protection: P1 filter respirator for inert particles.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE


IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

SEE IMPORTANT INFORMATION ON BACK
KAOLIN ICSC: 1144
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
WHITE POWDER.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: (Respirable fraction) 2 mg/m as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol.

INHALATION RISK:
Evaporation at 20C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Lungs may be affected by repeated or prolonged exposure to dust particles. The substance may have effects on the lungs, resulting in fibrosis (kaolinosis) and impaired functions.
PHYSICAL PROPERTIES
Relative density (water = 1): 2.6
Solubility in water: none
ENVIRONMENTAL DATA

NOTES
This card applies to kaolin containing <1% crystalline silica. If kaolin contains more than 1% crystalline silica, fusion temperature 1785C. Depending on the degree of exposure, periodic medical examination is suggested. Fitrol, Glomax, Kaophills-2 are trade names. See also ICSC0808 Quartz.
Card has been partly updated in April 2005. See section Occupational Exposure Limits.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999