Product Identification

Product Name

Tantalum carbide

Synonyms

Tantalum monocarbide

CAS

12070-06-3

Formula

CTa

Molecular Weight

192.96

EINECS

235-118-3

Physical and Chemical Properties

Appearance

Black to gray powder. Odorless

Solubility in water

Insoluble

Melting Point

3880

Boiling Point

5500

Usage

Used in tool bits for cutting tools. The hardness even exceeds that of diamond.

First Aid Measures

Ingestion

No data available, but one should obtain medical attention.

Skin

Remove contaminated clothing, flood skin with large amounts of water. If irritation persists seek medical attention.

Eyes

Immediately flush eyes, including under eyelids, with large amounts of water for at least 15 minutes. Call a physician.

Handling and Storage

Storage

Keep container tightly closed. Store in a cool, dry, well-ventilated area. Wash thoroughly after use.

Exposure Controls/Personal Protection

Personal Protection

Rubber gloves, ANSI approved safety goggles, lab coat or apron.

Respirators

High efficiency particle respirator.

Exposure Effects

May cause irritation to the eyes, skin and respiratory tract.

Exposure limit(s)

OSHA PEL 5 mg/m3 (at Ta)

Fire Fighting Measures

Fire Fighting

Use water, carbon dioxide, dry chemical extinguishing agents, dry sand, or dry ground dolomite to extinguish fire. No special firefighting procedures needed, use normal procedures which include wearing NIOSH/MSHA approved self-contained breathing apparatus, flame and chemical resistant clothing, hats, boots and gloves. If without risk remove material from fire area.

Accidental Release Measures

Small spills/leaks

Wearing full protective equipment, cover spill with dry sand or vermiculite. Mix well and carefully transfer to a container.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.

Decomposition

May emit irritating fumes