Product Identification

Product Name

Trisodium hexafluoroaluminate

Synonyms

Sodium aluminum fluoride
Synthetic cryolite
Trisodium aluminum hexafluoride

CAS

13775-53-6

Formula

AlF6Na3

Molecular Weight

209.95

EINECS

237-410-6

RTECS

BD0075000

RTECS Class

Other

Beilstein/Gmelin

107552 (G)

EC Index Number

009-016-00-2

Physical and Chemical Properties

Appearance

Colorless monoclinic crystals, transition to cubic at 560 ^oC

Solubility in water

Insoluble

Melting Point

977

Density

2.948 g/cm3 (19 C)

Usage

In the production of insecticides, in the glass and enamel industries, and electrolytic manufacture of aluminium.

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.

Eyes

In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage

Keep tightly closed.

Hazards Identification

Inhalation

Harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.

Skin

May cause skin irritation. May be harmful if absorbed through the skin.

Eyes

May cause eye irritation.

Ingestion

Harmful if swallowed.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

20/22 48/23/25 51/53

EC Safety Phrase

22 37 45 61

UN (DOT)

3077

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Exposure Effects

Toxic. Dangerous for the environment. Harmful by inhalation and if swallowed. Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed. Toxic to aquatic organisms, may cause long-term adverse e

Fire Fighting Measures

Fire Fighting

Extinguish using Dry chemical powder. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Fire Potential

May burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong bases.

Decomposition

Hydrogen fluoride.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

3077

Hazard Class

9

Packing Group

III