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NIOSH

TALC (SILICA AND FIBRE FREE)

ICSC: 0329

Mg3(OH)2Si4O10
Molecular mass: 379.3
ICSC # 0329 		CAS # 14807-96-6
RTECS # WW2710000
March 15, 2001 Validated

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. Shortness of breath.
Local exhaust or breathing protection.
Fresh air, rest. Refer for medical attention.
•SKIN

Rinse and then wash skin with water and soap.
•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
Do not eat, drink, or smoke during work.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water. Personal protection: P2 filter respirator for harmful particles.


ICSC: 0329 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.

TALC (SILICA AND FIBRE FREE)

ICSC: 0329

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
WHITE POWDER

PHYSICAL DANGERS:


CHEMICAL DANGERS:


OCCUPATIONAL EXPOSURE LIMITS:
TLV:
(Respirable fraction)
2 mg/m3 as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
MAK: (Respirable fraction);
Carcinogen category: 3B;
(DFG 2004).
OSHA PEL†: TWA 20 mppcf
NIOSH REL: TWA 2 mg/m3 (resp)
NIOSH IDLH: 1000 mg/m3 See: 14807966


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

INHALATION RISK:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:


EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the lungs , resulting in talc pneumoconiosis.

PHYSICAL
PROPERTIES

Melting point: 900-1000°C
Density: 2.7
g/cm3
Solubility in water:
none

ENVIRONMENTAL
DATA


N O T E S

Depending on the degree of exposure, periodic medical examination is suggested. Card has been partly updated in October 2005. See section Occupational Exposure Limits.

ADDITIONAL INFORMATION



ICSC: 0329 TALC (SILICA AND FIBRE FREE)
(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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