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Sodium tungstate Structure

Sodium tungstate

Chemical Properties

Melting point 3410 °C(lit.)
Boiling point 5660 °C(lit.)
Density  2.3 g/mL at 25 °C(lit.)
vapor pressure  0Pa at 25℃
solubility  H2O: soluble
form  wire
pka 3.5[at 20 ℃]
color  white rhombohedral crystals, crystalline
Water Solubility  g/100g H2O: 71.5 (0°C), 73.0 (20°C), 97.2 (100°C) [LAN05]
Merck  13,8772
LogP 0
CAS DataBase Reference 13472-45-2(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 64LRH4405G
EPA Substance Registry System Sodium tungsten oxide (Na2WO4) (13472-45-2)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319
Precautionary statements P280-P305+P351+P338-P337+P313
Hazard Codes  Xi
Risk Statements  36/38
Safety Statements  6-26-36
RIDADR  UN 3089 4.1/PG 2
WGK Germany  3
RTECS  YO7175000
HazardClass  6.1(b)
PackingGroup  III
Hazardous Substances Data 13472-45-2(Hazardous Substances Data)

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