Sodium tungstate dihydrate
white orthorhombic crystals
Registry Numbers and Inventories.
R 22 36/37/38
S 26 36/37/39
Mutagen; Reproductive Effector
Na2O4W . 2 H2O
Melting point, °C
Decomposition point, °C
3.2314 g/cm3 (19 C)
Solubility in water
730 g/L (20 C)
Hazards and Protection.
Store in a cool, dry, well-ventilated area away from incompatible substances.
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.
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.
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.
Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.
Stable under normal temperatures and pressures.
Strong oxidizing agents.
No data available.
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.
4 (Substances and products that must be considered harmful)
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
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
May cause skin irritation.
May cause eye irritation.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
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