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Sodium tungstate dihydrate

CAS No.
10213-10-2
Chemical Name:
Sodium tungstate dihydrate
Synonyms
FOLIN;SODIUM TUNGSTEN OXIDE;SODIUM TUNGSTATE 2H2O;Sodium tung;state dihydrate;SODIUM WOLFRAMATE;SodiumTungstateGr;Sodium tungstate dih;SODIUM TUNGSTATE, ACS;SODIUM WOLFRAMATE 2H2O
CBNumber:
CB8393632
Molecular Formula:
H2NaO5W-
Molecular Weight:
288.84
MDL Number:
MFCD00149190
MOL File:
10213-10-2.mol
Last updated:2024-04-12 23:00:59

Sodium tungstate dihydrate 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
CAS DataBase Reference 10213-10-2(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII X1F4NY6U13
EPA Substance Registry System Tungstate (WO42-), disodium, dihydrate, (T-4)- (10213-10-2)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
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)
NFPA 704
1
2 0

Sodium tungstate dihydrate price More Price(49)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 223336 Sodium tungstate dihydrate ACS reagent, ≥99% 10213-10-2 5g $49.6 2024-03-01 Buy
Sigma-Aldrich 1.06673 Sodium tungstate dihydrate for analysis EMSURE? 10213-10-2 250g $268 2024-03-01 Buy
Sigma-Aldrich 1.06673 Sodium tungstate dihydrate for analysis EMSURE? 10213-10-2 1kg $669 2024-03-01 Buy
Sigma-Aldrich 1.06672 Sodium tungstate dihydrate EMPLURA? 10213-10-2 1kg $535 2024-03-01 Buy
Sigma-Aldrich 1.06672 Sodium tungstate dihydrate EMPLURA? 10213-10-2 25kg $10710 2024-03-01 Buy
Product number Packaging Price Buy
223336 5g $49.6 Buy
1.06673 250g $268 Buy
1.06673 1kg $669 Buy
1.06672 1kg $535 Buy
1.06672 25kg $10710 Buy

Sodium tungstate dihydrate Chemical Properties,Uses,Production

Chemical Properties

white to slightly yellow crystalline powder or

Uses

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

Uses

Sodium tungstate dihydrate is currently being investigated as a potential therapy for obesity. Sodium tungstate dihydrate is also an inhibitor of acid phosphatases.

Uses

Fireproofing and waterproofing fabrics; preparing complex Compounds such as phosphotungstate and silicotungstate; as a protective colloid in biological development methods; precipitant for alkaloids; catalyst in oxidation reactions; corrosion inhibitor for steel.

Definition

ChEBI: A hydrate that is the dihydrate form of sodium tungstate. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones

General Description

Sodium tungstate dihydrate is a sodium salt of tungstic acid, which occurs as white colorless crystals.

Purification Methods

The salt crystallises from hot water (0.8mL/g) on cooling to 0o. [Grüttner & Jender in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1727 1965].

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View Lastest Price from Sodium tungstate dihydrate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Sodium tungstate dihydrate pictures 2024-04-12 Sodium tungstate dihydrate
10213-10-2
US $0.00 / kg 1kg 99% 2000ton Shaanxi Haibo Biotechnology Co., Ltd
Sodium tungstate dihydrate pictures 2024-04-12 Sodium tungstate dihydrate
10213-10-2
US $6.00 / KG 1KG More than 99% 2000KG/Month Hebei Saisier Technology Co., LTD
Sodium Tungstate Dihydrate pictures 2024-03-15 Sodium Tungstate Dihydrate
10213-10-2
US $20.00-12.00 / kg 500kg 99.9 200tons Shandong Juchuang Chemical Co., LTD

Sodium tungstate dihydrate Spectrum

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 TUNGSTIC ACID SODIUM DIHYDRATE SODIUM TUNGSTATE DIHYDRATE, 99%, A.C.S. REAGENT SODIUM TUNGSTATE DIHYDRATE, 99.995% SODIUM TUNGSTATE-2-HYDRATE PURE SODIUM TUNGSTATE DIHYDRATE, ACS SODIUM TUNGSTATE, DIHYDRATE, ACS*REAGENT SODIUM TUNGSTATE DIHYDRATE 99% A.C.S.& TungsticAcid,AmmoniumSalt SODIUM O-TUNGSTATE, HYDROUS SODIUM WOLFRAMATE SODIUM WOLFRAMATE DIHYDRATE SODIUM TUNGSTEN OXIDE, DIHYDRATE SodiumTungstateGr SODIUM TUNGSTATE GR DIHYDRATE Sodium tungstate dihydrate, for analysis ACS, 99+% Sodium tungstate dihydrate, for analysis, 99+% SODIUM TUNGSTATE, DIHYDRATE REAGENT (ACS) Tungstate (WO42-), disodium, dihydrate, (T-4)- Sodium tungstate, dehydrate Sodium tungstate dihydrate ACS reagent, >=99% Sodium tungstate dihydrate purum, >=99% Sodium tungstate dihydrate suitable for preparation of protein-free filtrates according to Folin SODIUM WOLFRAMATE 2H2O SODIUM TUNGSTATE DIHYDRATE FOR ANALYSIS EMSURE Tungstic acid sodium salt dihydrate Sodium wolframate tungstic acid disodium salt sodium tungstate Sodium tungstate dihydrate, p.a. Sodium tungstate dihydrate, ACS, 99.0-101.0% sodium tungsten oxide dihydrate, acs SODIUMTUNGSTATE,DIHYDRATE,CP SODIUMTUNGSTATE,DIHYDRATE,CRYSTAL,REAGENT,ACS TUNGSTATEDISODIUMDIHYDRATE Sodium Tungstate 2 Hydrate ACS Sodium tungsten oxide dihydrate, ACS, 99.0-101.0% SODIUM TUNGSTATE extrapure SODIUM TUNGSTATE HYDRATED extrapure AR Tungstic acid dihydrate sodium salt Sodium Tungstate, Dihydrate, Crystal, Reagent Sodium tungstate dihydrate, 99+%, for analysis SODIUM TUNGSTATE DIHYDRATE, 99+%, FOR ANALYSIS ACS Sodium tungstate dihydrate, for analysis Sodium tungstate dihydrate, for analysis ACS Sodium tungstate dihydrate, reagent grade, ACS SODIUM TUNGSTATE, ACS Sodium tungstate dih SodiuM tungstate dihydrate, for analysis ACS, 99+% 100GR SodiuM tungstate dihydrate, for analysis ACS, 99+% 500GR SodiuM tungstate dihydrate, for analysis ACS, 99+% 5GR SodiuM tungstate dihydrate, for analysis, 99+% 100GR SodiuM tungstate dihydra SodiuM dioxido(dioxo)tungsten hydrate (2:1:2) SODIUM TUNGSTATE DIHYDRATE EXTRA PURE