M5523635
SodiumTungstate , ≥98% , 13472-45-2
CAS NO.:13472-45-2
Empirical Formula: H3NaOW
Molecular Weight: 225.85
MDL number: MFCD00011461
EINECS: 680-637-4
Pack Size | Price | Stock | Quantity |
5g | RMB30.40 | In Stock |
|
25g | RMB46.40 | In Stock |
|
100g | RMB93.60 | In Stock |
|
500g | RMB318.40 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT 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 |
pka | 3.5[at 20 ℃] |
form | wire |
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) |
EPA Substance Registry System | Sodium tungsten oxide (Na2WO4) (13472-45-2) |
Description and Uses
Intermediate in preparation of tungsten compounds, (e.g., phosphotungstate), reagent, fire-proofing fabrics and cellulose, alkaloid precipitant.
Safety
Symbol(GHS) | GHS07 |
Signal word | Warning |
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) |