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NIOSH

CRYOLITE

ICSC: 1565

Aluminium trisodium fluoride
Sodium fluoaluminate
Sodium aluminium fluoride
Sodium hexafluoroaluminate
Na3AlF6
Molecular mass: 209.9
ICSC # 1565 		CAS # 15096-52-3
RTECS # WA9625000
EC # 009-016-00-2
April 20, 2005 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 Nausea. Vomiting.
Local exhaust or breathing protection.
Fresh air, rest.
•SKIN
Protective gloves.
Rinse and then wash skin with water and soap.
•EYES
Safety goggles .
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Nausea. Vomiting. Abdominal pain.
Do not eat, drink, or smoke during work.
Rinse mouth. Give plenty of water to drink.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting. Do NOT let this chemical enter the environment.
Separated from food and feedstuffs. Well closed. Store in an area without drain or sewer access.
Do not transport with food and feedstuffs.
Note: C
T symbol
N symbol
R: 20/22-48/23/25-51/53
S: 1/2-22-37-45-61
ICSC: 1565 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.

CRYOLITE

ICSC: 1565

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
CRYSTALS OR AMORPHOUS POWDER .

PHYSICAL DANGERS:


CHEMICAL DANGERS:


OCCUPATIONAL EXPOSURE LIMITS:
TLV: (as Fluoride) 2.5 mg/m3 as TWA; A4 (not classifiable as a human carcinogen); BEI issued; (ACGIH 2005).
MAK: (as Fluoride) (Inhalable fraction) 1 mg/m3;
Peak limitation category: II(4);
skin absorption (H);
Pregnancy risk group: C;
(DFG 2005).
OSHA PEL*: TWA 2.5 mg/m3 *Note: The PEL also applies to other inorganic, solid fluorides (as F).
NIOSH REL*: TWA 2.5 mg/m3 *Note: The REL also applies to other inorganic, solid fluorides (as F).
NIOSH IDLH: 250 mg/m3 (as F) See: fluoride


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

INHALATION RISK:
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered.

EFFECTS OF SHORT-TERM EXPOSURE:


EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the bones and teeth , resulting in fluorosis. Lungs may be affected by repeated or prolonged exposure to dust particles.

PHYSICAL
PROPERTIES

Melting point: 1009°C
Density: 2.95
g/cm3
Solubility in water, g/100 ml at 25°C: 0.042 (very poor)

ENVIRONMENTAL
DATA

The substance is toxic to aquatic organisms.

N O T E S

Card has been partly updated in October 2005. See section Occupational Exposure Limits.

ADDITIONAL INFORMATION



ICSC: 1565 CRYOLITE
(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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