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10213-10-2

Name Sodium tungstate dihydrate
CAS 10213-10-2
EINECS(EC#) 236-743-4
Molecular Formula H4Na2O6W
MDL Number MFCD00149190
Molecular Weight 329.85
MOL File 10213-10-2.mol
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Chemical Properties

Appearance white to slightly yellow crystalline powder or
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
color  White to slightly yellow
Specific Gravity 3.25
Odor Odorless
PH 9.5-11.5 (25℃, 1M in H2O)
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
InChIKey WPZFLQRLSGVIAA-UHFFFAOYSA-N
CAS DataBase Reference 10213-10-2(CAS DataBase Reference)
EPA Substance Registry System Tungstate (WO42-), disodium, dihydrate, (T-4)- (10213-10-2)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
R36/38:Irritating to eyes and skin .
Safety Statements 
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
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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