Home Categories Inorganic chemistry Sodiumtungstatedihydrate
A0603050

Sodiumtungstatedihydrate , 99.5% , 10213-10-2

Synonym(s):
Sodium tungstate dihydrate;Tungstic acid sodium salt dihydrate

CAS NO.:10213-10-2

Empirical Formula: H4Na2O6W

Molecular Weight: 329.85

MDL number: MFCD00149190

EINECS: 600-275-2

Pack Size Price Stock Quantity
100g RMB63.20 In Stock
500g RMB215.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 698 °C(lit.)
Density  4.18
storage temp.  Store at +15°C to +25°C.
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Solid
Specific Gravity 3.25
color  White to slightly yellow
PH 9.5-11.5 (25℃, 1M in H2O)
Odor Odorless
PH Range 9 - 11.5 at 100 g/l at 20 °C
Water Solubility  730 g/L (20 ºC)
λmax λ: 260 nm Amax: ≤0.120
λ: 280 nm Amax: ≤0.035
Merck  14,8698
Exposure limits ACGIH: TWA 3 mg/m3
NIOSH: TWA 1 mg/m3; STEL 3 mg/m3
InChIKey WPZFLQRLSGVIAA-UHFFFAOYSA-N

Description and Uses

Sodium tungstate dihydrate may be used in the preparation of aqueous sols of tungsten oxide dihydrate.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
Hazard Codes  Xn
Risk Statements  22-36/38-36
Safety Statements  36-37/39-26-39
WGK Germany  1
RTECS  YO7900000
TSCA  Yes
HS Code  28418000
Toxicity LD50 (mg tungstate/kg) in rabbits: 105 i.m.; in rats: 240 s.c. (Venugopal, Luckey)

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