Product Identification

Product Name

Boron nitride

Synonyms

Azanylidyneborane
Borazon
Boron mononitride
Elbor

CAS

10043-11-5

Formula

BN

Molecular Weight

24.82

EINECS

233-136-6

RTECS

ED7800000

RTECS Class

Other

Merck

13,1336

Beilstein/Gmelin

216 (G)

Physical and Chemical Properties

Appearance

White powder, hexagonal or cubic crystals

Solubility in water

Slightly soluble

Melting Point

2527

Density

2.15 g/cm3

Usage

Production of alloys.

Refractive Index

1.728

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 contact, immediately wash skin with soap and copious amounts of water.

Eyes

In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Handling and Storage

Storage

Keep container closed. Store in a cool dry place.

Hazards Identification

Inhalation

Material is irritating to mucous membranes and upper respiratory tract.

Skin

May cause skin irritation.

Eyes

Causes eye irritation.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

36/37

EC Safety Phrase

26 36

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.

Exposure Effects

Irritant. Irritating to eyes and respiratory system.

Fire Fighting Measures

Fire Fighting

Extinguish using Noncombustible. Use extinguishing media appropriate to surrounding fire conditions. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

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

Incompatibilities

Strong oxidizing agents.

Decomposition

Nature of decomposition products not known.