Physical Properties Uses Preparation
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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

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Tungstic acid Suppliers

Shanghai Boyle Chemical Co., Ltd.
Tel
021-50182298 021-50180596
Fax
+86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2208
Advantage
55
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801 18930552037
Fax
86-21-50328109
Email
3bsc@sina.com
Country
China
ProdList
15839
Advantage
69
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
Beijing HwrkChemical Technology Co., Ltd
Tel
010-89508211 18501085097
Fax
010-89508210
Email
sales.bj@hwrkchemical.com
Country
China
ProdList
8415
Advantage
55
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44689
Advantage
61
JinYan Chemicals(ShangHai) Co.,Ltd.
Tel
13817811078
Fax
86-021-50426522,50426273
Email
sales@jingyan-chemical.com
Country
China
ProdList
9976
Advantage
60
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18738
Advantage
57
Sichuan Kulinan Technology Co., Ltd
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11707
Advantage
57
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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:


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