Tungstic acid

Physical Properties Uses Preparation

Product Name: Tungstic acid
CAS No.: 7783-03-1
Chemical Name: Tungstic acid
Synonyms: O2W(OH)2;ungsticaci;Tunstic acid;TUNGSTIC ACID;Wolframic acid;TungsticAcidGr;TUNGSTIC(VI) ACID;Tungstic acid 99%;Orthotungstic acid;TUNGSTIC ACID 99+%
CBNumber: CB2155821
Molecular Formula: HO4W-
Formula Weight: 248.84
MOL File: 7783-03-1.mol

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Tungstic acid Property

Melting point:: 100°C (dec.)
Boiling point:: 1473°C
Density: 5.5 g/mL at 25 °C (lit.)
refractive index: 2.24
Flash point:: 1473°C
storage temp.: Sealed in dry,Room Temperature
solubility: insoluble in H2O, acid solutions; soluble in alkaline solutions
form: powder
color: Yellow to yellow-greenish
Specific Gravity: 5.5
Water Solubility: insoluble
Merck: 14,9818
Exposure limits: ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
Stability:: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference: 7783-03-1(CAS DataBase Reference)
NIST Chemistry Reference: Tungstic acid(7783-03-1)
EPA Substance Registry System: Tungstate (WO42-), dihydrogen, (T-4)- (7783-03-1)

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Safety

Risk Statements: 36/37/38
Safety Statements: 24/25
WGK Germany: 3
RTECS: YO7840000
TSCA: Yes
HS Code: 28259011

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 223328
Product name: Tungstic acid
Purity: 99%
Packaging: 100g
Price: $93.7
Updated: 2024/03/01

Sigma-Aldrich

Product number: 223328
Product name: Tungstic acid
Purity: 99%
Packaging: 500g
Price: $341
Updated: 2024/03/01

Alfa Aesar

Product number: 082118
Product name: Tungstic(VI) acid
Packaging: 25g
Price: $26.65
Updated: 2024/03/01

Alfa Aesar

Product number: 082118
Product name: Tungstic(VI) acid
Packaging: 100g
Price: $99.3
Updated: 2024/03/01

Strem Chemicals

Product number: 93-7410
Product name: Tungstic acid, 99%
Packaging: 50g
Price: $44
Updated: 2024/03/01

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Tungstic acid Chemical Properties,Usage,Production

Physical Properties

Yellow amorphous powder; density 5.59 g/cm3; decomposes at 100°C; insoluble in water and most acids; soluble in hydrofluoric acid, caustic alkalies and ammonia solution. Freshly prepared tungstic acid containing a molecule of water of crystallization is moderately soluble in water.

Uses

Tungstic acid is used in preparing tungsten metal and many tungsten compounds. Also, it is a mordant for textiles.

Preparation

Tungstic acid is obtained as an intermediate in the recovery of tungsten from its minerals, scheelite and wolframite (See Tungsten). Also, the tungstic acid may be prepared by heating sodium tungstate with sulfuric acid or hydrochloric acid:
Na2WO4 + 2HCl → H2WO4 + 2NaCl
Na2WO4 + H2SO4 → H2WO4 + Na2SO4

Chemical Properties

light yellow powder

Physical properties

Yellow amorphous powder; density 5.59 g/cm³; decomposes at 100°C; insoluble in water and most acids; soluble in hydrofluoric acid, caustic alkalies and ammonia solution. Freshly prepared tungstic acid containing a molecule of water of crystallization is moderately soluble in water.

Uses

Tungstic Acid is used as a starting material in the synthesis of polynanocomposite material and polycrystalline ceramics.

Definition

ChEBI: Tungstic acid is a tungsten coordination entity. It is a conjugate acid of a hydrogentungstate.

General Description

Tungstic acid may be prepared by either digesting tungstate of lime or by treating tungsten with hydrochloric acid. 1

Flammability and Explosibility

Not classified

Tungstic acid Preparation Products And Raw materials

Raw materials

WO Ammonium paratungstate Calcium chloride solution 36-40%, (1box=27kgs) TUNGSTEN ORE Hydrochloric acid Nitric acid Sodium hydroxide Sodium tungstate dihydrate

Preparation Products

Isoamyl butyrate DL-Tartaric acid Glycidol SODIUM PHOSPHOTUNGSTATE Ethanethiol TUNGSTEN SULFIDE

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Tungstic acid Suppliers

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View Lastest Price from Tungstic acid manufacturers

HebeiShuoshengImportandExportco.,Ltd

Product: Tungstic acid 7783-03-1
Price: US $6.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 2000KG/Month
Release date: 2024-08-12

Hebei Longbang Technology Co., Ltd

Product: Tungstic acid 7783-03-1
Price: US $6.00/kg
Min. Order: 1kg
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-05-10

Hebei Jingbo New Material Technology Co., Ltd

Product: Tungstic acid 7783-03-1
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1000000
Release date: 2023-12-29

7783-03-1, Tungstic acidRelated Search:

Glycine TUNGSTIC ACID SODIUM DIHYDRATE,Tungstic acid dihydrate sodium salt,TUNGSTIC ACID NA-SALT 2H2O,TUNGSTIC ACID SODIUM SALT DIHYDRATE Folic acid Citric acid Tungstic acid calcium salt Tungstic acid dipotassium salt Ethyl 2-(Chlorosulfonyl)acetate Phosphotungstic acid 44-hydrate Sodium tungstate BISMUTH TUNGSTATE Zirconium tungstate ZINC TUNGSTATE AMMONIUM TUNGSTATE 99.99% Ascoric Acid SILICOTUNGSTIC ACID HYDRATE SODIUM PHOSPHOTUNGSTATE Tungstic acid anhydride Sodium tungstate

dihydrogen,(T-4)-Tungstate

O2W(OH)2

Orthotungstic acid

Tungstate (WO4<sup>2-</sup>), dihydrogen, (T-4)-

Tungstate (WO42-), dihydrogen, (T-4)-

Tungstate,dihydrogen,(T-4)-

Tunstic acid

Wolframic acid

TUNGSTIC(VI) ACID

TUNGSTIC ACID

Tungstic acid >=99.0% (calcined substance, T), powder

Tungstic acid, 99.999% trace Metals basis

Tungstic acid 99%

Tungstate,dihydrogen

TUNGSTIC ACID 92.0-92.5%

TUNGSTIC ACID PURE

TUNGSTIC ACID, POWDER

TUNGSTIC ACID, 99.999%

TUNGSTIC ACID FREE ACID

TUNGSTIC ACID EXTRA PURE

TUNGSTIC ACID 99+%

TungsticAcidGr

TUNGSTIC ACID REAGENT

TUNGSTIC ACID extrapure AR

(beta-4)-tungstate(wo42-dihydrogen

Tungstic acid, 99+% 5GR

Hydrogen tungstate(VI)

Wolfram(VI)dihydoxide dioxide

Tungstate(WO42-), hydrogen (1:2), (T-4)-

TUNGSTIC ACID, REAGENTTUNGSTIC ACID, REAGENTTUNGSTIC ACID, REAGENTTUNGSTIC ACID, REAGENT

Tungstic acid, GR 99%+

ungsticaci

7783-03-1

7883-03-1

7782-03-1

H2WO4

H3WO4

Puriss p.a.

Analytical Chromatography Product Catalog

Analytical Reagents

General Use

metal oxide hydrate

Inorganics

AcidsMetal and Ceramic Science

Tungsten Salts

Electronic Chemicals

Micro/Nanoelectronics

Salts

catalyst of oil