Product Identification

Product Name

Tungstic acid sodium salt dihydrate

CAS

10213-10-2

Formula

H4Na2O6W

Formula

Na2WO4.2H2O

Molecular Weight

329.86

EINECS

236-743-4

RTECS

YO7900000

RTECS Class

Mutagen; Reproductive Effector

Merck

12,8847

Beilstein/Gmelin

15618 (G)

EC Class

harmful

Physical and Chemical Properties

Appearance

white orthorhombic crystals

Solubility in water

730 g/L (20 C)

Melting Point

100

Density

3.2314 g/cm3 (19 C)

Usage

Used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones, fireproofing agent.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

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

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 cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed. Exposure has caused anorexia, muscle incoordination, weight loss, and death in experimental

Inhalation

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

EC Risk Phrase

R 22 36/37/38

EC Safety Phrase

S 26 36/37/39

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 protective 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.

Poison Class

4 (Substances and products that must be considered harmful)

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Combustion generates toxic fumes. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.

Accidental Release Measures

Small spills/leaks

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

No data available.

Transport Information

HS Code

2841 80 00