Sodium Tungstate Dihydrate (HCID 150191)

概要

Sodium tungstate dihydrate is a hydrate that is the dihydrate form of sodium tungstate. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones. It has a role as a reagent. It contains a sodium tungstate.

名称と識別子

優先名称: Sodium Tungstate Dihydrate
IUPAC: disodium;dioxido(dioxo)tungsten;dihydrate
現地名: タングステン酸ナトリウム
英語名: Sodium tungstate dihydrate
分子式: H2NaO5W-
分子量: 288.84

名称と別名

Sodium tungstate dihydrate10213-10-2Sodium tungstate, dihydrateTungstic acid, sodium salt, dihydratesodium tungstate(VI) dihydrateNa2WO4.2H2Osodium orthotungstate dihydrateX1F4NY6U13DTXSID0032079CHEBI:63939RefChem:184146DTXCID8012079

名称をさらに表示

タングステン(VI)酸ナトリウム2水和物タングステン(VI)酸ナトリウム二水和物タングステン(Ⅵ)酸ナトリウム二水和物タングステン酸ナトリウム,2水和物タングステン酸ナトリウム二水和物 ACS REAGENT,≥99%タングステン酸ナトリウム二水和物 PURUM,≥99%タングステン酸ナトリウム溶液タングステン酸(VI) ナトリウム二水和物タングステン酸ナトリウム, 二水和物/ 99+%タングステン酸ナトリウム二水和物タングステン酸ナトリウム二水和物, 99+% (ACS)タングスト酸ナトリウム二水和物タングステン酸/ナトリウム/水和物,(1:2:2)FOLINSODIUM TUNGSTEN OXIDESODIUM TUNGSTATE 2H2OSodium tungstate dihydrateSODIUM WOLFRAMATESodiumTungstateGrSodium tungstate dihSODIUM TUNGSTATE, ACSSODIUM WOLFRAMATE 2H2O

600-275-2Tungstic acid sodium salt dihydrateMFCD00149190disodium;dioxido(dioxo)tungsten;dihydrateSodium tungsten oxide dihydrateTungstate (WO42-), disodium, dihydrate, (T-4)- (9CI)UNII-X1F4NY6U13Tungstic acid (H2WO4), disodium salt, dihydrate

データベース識別子

CAS: 10213-10-2
PubChem CID: 150191
DTXSID: DTXSID0032079
ChEBI: CHEBI:63939
UNII: X1F4NY6U13
EC Number: 600-275-2

物性

構造計算による物性

極性表面積: 82.3 Å²
水素結合供与体数: 2
水素結合受容体数: 6
回転可能結合数: 0
重原子数: 9
形式電荷: 0
複雑度: 62.2

実験および物理化学的性質

Chemical ClassesMetals -> Metals, Inorganic Compounds

Density3.25 @25 °C

Physical DescriptionColorless or white solid; Effloresces in dry air; [Merck Index] White odorless powder; Soluble in water; [Alfa Aesar MSDS]

物理化学的性質

融点: 698 °C · 698 °C(lit.)
比重(密度): 4.18 · 4.18
貯蔵温度: 15 °C · Store at +15°C to +25°C.
溶解性: 2 O: · H2O: 1M at20℃、透明、無色
外見: 個体
色: 白色～やや黄色
比重: 3.25 · 3.25
臭い (Odor): 無臭
PH: 9.5 · 9.5-11.5 (25℃, 1M in H2O)
水溶解度: 730 g/L · 730g/L(20℃)
Merck: 14 · 14,8698
InChI: 1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
InChIKey: WPZFLQRLSGVIAA-UHFFFAOYSA-N
SMILES: O.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
CAS データベース: 10213 · 10213-10-2(CAS DataBase Reference)
EPAの化学物質情報: Tungstate (WO42-), disodium, dihydrate, (T-4)- (10213-10-2)

化学的性質

化学的特性white to slightly yellow crystalline powder or

安全と法規制

GHS分類

GHS Classification · 4 件

Warning

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 214 reports by companies from 4 notifications to the ECHA C&L Inventory.

危険有害性情報

Regulatory Information · 2 件

Chemical: Tungstate (WO42-), disodium, dihydrate, (T-4)-

Sodium tungstate, dihydrate: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryCauses somnolence and coma in intraperitoneal lethal-dose studies of mice and rats; [RTECS] A strong eye irritant; Harmful by ingestion; [Alfa Aesar MSDS] See Sodium tungstate.

Hazard Classes and CategoriesAcute Tox. 4 (100%)

安全と保護具

Threshold Limit Values (TLV)3.0 [mg/m3], as W, respirable particulate matter

Protective Action Criteria (PAC) · 3 件

5.4 [mg/m3]

44 [mg/m3]

260 [mg/m3]

毒性情報

Carcinogen Classification · 6 件

Sodium tungstate dihydrate

TR-599: Toxicology and Carcinogenesis Studies of Sodium Tungstate Dihydrate (CASRN 10213-10-2) in Sprague Dawley (Hsd:Sprague Dawley SD) Rats and B6C3F1/N Mice (Drinking Water Studies) (2021 )

04/02/21

No Evidence

Equivocal Evidence

RAIS Toxicity Values · 4 件

0.0008

PPRTV Current

0.008

PPRTV Current

EPA Provisional Peer-Reviewed Toxicity Values · 6 件

Sodium Tungstate Dihydrate

8 x 10^-4 mg/kg-day

8 x 10^-3 mg/kg-day

PDF Document

Inadequate information to assess carcinogenic potential

2015

Hazard Quotient Level 0.1 or Cancer Risk Level 1E-06 · 6 件

6.30e+01

9.30e+02

1.60e+01

4.00e+03

8.00e-04

Volatile

Hazard Quotient Level 3 or Cancer Risk Level 1E-04 · 6 件

1.90e+02

2.80e+03

4.80e+01

4.00e+03

8.00e-04

Volatile

安全データ

wgk: 1
tsca: Yes
rtecs: YO7900000
毒性: LD50 (mg tungstate/kg) in rabbits: 105 i.m.; in rats: 240 s.c. (Venugopal, Luckey)
hs_code: 28418000
risk_code: 22-36/38-36
安衛法: 57,57-2
hazard_code: Xn
safety_code: 36-37/39-26-39
Hazard Classifications: Acute Tox. 4 Oral
ストレージクラス: 13 - Non Combustible Solids

化学と産業

用途と製造

Uses · 2 件

Used to fireproof and waterproof fabrics, to make tungsten compounds, as a protective colloid, as a precipitant for alkaloids and proteins, to catalyze oxidation reactions, and as a corrosion inhibitor for steel; [Merck Index]

Textiles (Printing, Dyeing, or Finishing) [Category: Industry]

応用分野 · 3 件

用途触媒(和光試薬時報Vol.65 No.2,p.29(1997))。

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

一般的な説明Sodium tungstate dihydrate is a sodium salt of tungstic acid, which occurs as white colorless crystals.

調製方法

純化方法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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補足説明

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

タングステン酸ナトリウム

基本情報

概要