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Sodium tungstate dihydrate

Catalog No. 72070 Name Sigma Aldrich
CAS Number 10213-10-2 Website http://www.sigmaaldrich.com
M. F. H4Na2O6W Telephone 1-800-521-8956
M. W. 329.8477 Fax
Purity ≥99.0% (AT) Email
Storage Chembase ID: 102992

SYNONYMS

Title
钨酸钠 二水合物
IUPAC name
disodium dioxotungstenbis(olate) dihydrate
IUPAC Traditional name
disodium dihydrate tungstate
Synonyms
Tungstic acid sodium salt dihydrate
钨酸 钠盐 二水合物

DATABASE IDS

PubChem SID 24886359
EC Number 236-743-4
CAS Number 10213-10-2
MDL Number MFCD00149190

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces As: ≤1 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤10 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤10 mg/kg
Cation Traces Ni: ≤10 mg/kg
Cation Traces Pb: ≤10 mg/kg
Cation Traces Zn: ≤5 mg/kg
Grade ACS reagent
Grade puriss. p.a.
Impurities ≤0.001% total nitrogen (N)
Impurities ≤0.05% free alkali (as NaOH)
Linear Formula Na2WO4 · 2H2O
Purity ≥99.0% (AT)
Melting Point 698 °C(lit.)
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H302
European Hazard Symbols Harmful Harmful (Xn)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
Risk Statements 22
RTECS YO7900000
Safety Statements 36
German water hazard class 1

DETAILS

REFERENCES