CAS No. 10213-10-2

Appearance	White Crystalline
WO3	≥ 69.0%
MO	≤ 0.02%
As	≤ 0.002%
Cu	------
Fe	≤ 0.002%
SO4	≤ 0.02%
Si	------
Water insoluble	≤ 0.01%
PH	8~9
Heavy metal (as Pb)	≤ 0.002%
Cl	≤ 0.03%

Molecular Formula: H4Na2O6W
Molecular Weight: 329.85
Hazard Symbols: Xn
WGKGermany: 1
HS Code: 28418000

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Purity: 99%
Spec 1: White to slightly yellow crystalline powder
Application: Used for the production of metal tungsten, tungstic acid, and tungstate salts. Used as a mordant, pigment, and catalyst.

CAS:10213-10-2
Molecular Formula:H2NaO5W-
Molecular Weight:288.84
EINECS:600-275-2
Synonyms:SODIUM TUNGSTATE 2H2O; SODIUM TUNGSTATE-2-HYDRATE;
SODIUM TUNGSTATE DIHYDRATE; SODIUM TUNGSTATE HYDRATED;
SODIUM TUNGSTATE(VI) DIHYDRATE; TUNGSTIC ACID NA-SALT 2H2O;
TUNGSTIC ACID SODIUM SALT DIHYDRATE; Tungsticaciddisodiumsaltdihydrate

Na2WO4.2H2O, % ≥ 98.0

Wo3, % ≥ 69

MO,% ≤ 0.02

Fe, % ≤ 0.005

As, % ≤ 0.003

SO4, % ≤ 0.02

Pb, % ≤ 0.003

Cl, % ≤ 0.03

Water Insoluble Matter,% ≤ 0.01