International Chemical Safety Cards

CALCIUM SILICATE (non-fibrous, <1% crystalline silica) ICSC: 1401
World Health Organization (WHO) International Labour Organization (ILO) United Nations Environmental Programme (UNEP) European Commission National Institute for Occupational Safety and Health (NIOSH)
Calcium silicate
Calcium silicate synthetic
CaO•SiO2
Molecular mass: 116.1
ICSC #    1401
CAS #     1344-95-2
RTECS # VV9150000
October 17, 2001 Validated
Ch, al phrases selected May 2001
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 Cough. Sore throat.
Local exhaust.

 •SKIN
Protective gloves.

 •EYES Redness. Pain.
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 STORAGE PACKAGING & LABELLING
Sweep spilled substance into containers. Wash away remainder with plenty of water. Personal protection: P2 filter respirator for harmful particles.


SEE IMPORTANT INFORMATION ON BACK
ICSC: 1401 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

CALCIUM SILICATE (non-fibrous, <1% crystalline silica) ICSC: 1401
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PHYSICAL STATE; APPEARANCE:
WHITE POWDER

PHYSICAL DANGERS:


CHEMICAL DANGERS:


OCCUPATIONAL EXPOSURE LIMITS:
TLV: (particulate matter containing no asbestos and <1 % crystalline silica) 10 mg/m³ as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
MAK not established.
OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
NIOSH IDLH: N.D. See: IDLH INDEX


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation.

INHALATION RISK:
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:
May cause mechanical irritation tothe eyesandthe respiratory tract.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
PHYSICAL
PROPERTIES
Melting point: 1540°C
Density: 2
g/cm³
Solubility in water:
poor
ENVIRONMENTAL
DATA

N O T E S
Card has been partly updated in April 2005. See section Occupational Exposure Limits.
ADDITIONAL INFORMATION


ICSC: 1401 CALCIUM SILICATE (non-fibrous, <1% crystalline silica)
(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.