钨酸钠二水合物

In organic chemistry, sodium tungstate is used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones. Used in examining the serum protein, serum protein-free filtrate. Used as alkaloid precipitating agent. Used in manufacture of metal tungsten, tungstate and tungsten oxide. Waterproof and fireproof fabric.

Keep in cool places.

MFCD00149190

236-743-4

Na₂WO₄?2H₂O

329.86 (293.83anhy)

100° -2H{2}O

3.250

Ambient temperatures.

Powder

Soluble in water. Insoluble in alcohol.

14,8698

22-36
Harmful if swallowed.Irritating to eyes.

Maximum level of impurities: Insoluble matter 0.01%, Titratable free base 0.02meq/g, Cl 0.005%, Mo 0.001%, SO₄ 0.01%, Heavy metals and iron (as Pb) 0.001%

26-36-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing.This material and its container must be disposed of as hazardous waste

YO7900000

 

是

 

H302-H319
Harmful if swallowed.Causes serious eye irritation.

P280i-P264-P305+P351+P338-P301+P312a-P337+P313-P501a
Wear eye/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.If eye irritation persists: Get medical advice/attention.Dispose of contents/container in accordance with local/regional/national/international regulations.