Product Identification

Product Name

alpha-Alumina

Synonyms

alpha-Aluminum oxide
Alumina
Aluminum trioxide

CAS

1344-28-1

Formula

Al2O3

Molecular Weight

101.94

EINECS

215-691-6

RTECS

BD1200000

RTECS Class

Tumorigen

Merck

12,369

Beilstein/Gmelin

48822 (G)

Physical and Chemical Properties

Appearance

White crystalline solid or powder, very hard, odorless.

Solubility in water

Insoluble

Melting Point

2050

Boiling Point

2980

Density

3.97 g/cm3

Usage

Production of aluminum, manufacture of abrasives, refractories, ceramics, electrical insulators, catalyst & catalyst supports, paper, spark plugs, crucibles & laboratory works, adsorbent for gases & water vapors, chromatographic analysis, fluxes, light bulbs, artificial gems, heat resistant fibers, food additive (dispersing agent).

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Use with adequate ventilation. Minimize dust generation and accumulation. Avoid prolonged or repeated contact with skin. Avoid contact with eyes. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

May cause respiratory tract irritation. May cause lung damage.

Skin

Dust may cause mechanical irritation. Low hazard for usual industrial handling.

Eyes

Dust may cause mechanical irritation.

Ingestion

Ingestion of large amounts may cause gastrointestinal irritation. Expected to be a low ingestion hazard.

EC Safety Phrase

S 22

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Exposure Effects

Chronic inhalation of fine dusts may cause lung damage.

Exposure limit(s)

OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) NIOSH REL: See Appendix D

Poison Class

-

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.

Fire Potential

Noncombustible material.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

Stability and Reactivity

Incompatibilities

Reacts with chlorine trifluoride or ethylene oxide.

Stability

Stable under normal shipping and handling conditions.

Decomposition

None.

Transport Information

HS Code

2818 10 10