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Ammonium paratungstate

Product Name
Ammonium paratungstate
CAS No.
11120-25-5
Chemical Name
Ammonium paratungstate
Synonyms
TUNGSTEN METAL;W HC 40;Wolfram;TUNGSTEN RIBBON;(NH4)10H2(W2O7)6;TUNGSTEN STANDARD;TUNGSTEN AA STANDARD;Ammonium (para)tungs;TUNGSTEN ICP STANDARD;Ammonium Paratungstat
CBNumber
CB2119928
Molecular Formula
H4NO42W12(-9)
Formula Weight
2896.08
MOL File
11120-25-5.mol
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Ammonium paratungstate Property

Melting point:
3410 °C(lit.)
Boiling point:
5660 °C(lit.)
Density 
2.3 g/mL at 25 °C(lit.)
vapor pressure 
0Pa at 25℃
storage temp. 
15-25°C
solubility 
soluble in H2O; insoluble in ethanol
form 
wire
color 
White
PH
6 (20°C in H2O)
Water Solubility 
Soluble in water. Insoluble in alcohol
Merck 
13,567
Exposure limits
ACGIH: TWA 3 mg/m3
NIOSH: TWA 1 mg/m3; STEL 3 mg/m3
InChIKey
WFKWXMTUELFFGS-UHFFFAOYSA-N
CAS DataBase Reference
11120-25-5(CAS DataBase Reference)
EPA Substance Registry System
Tungstate (W12(OH)2O4010-), decaammonium (11120-25-5)
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Safety

Hazard Codes 
F,Xi
Risk Statements 
11-36/38-36/37/38
Safety Statements 
6-26-36
RIDADR 
UN 3089 4.1/PG 2
WGK Germany 
-
RTECS 
YO7175000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
28418010
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
510114
Product name
Ammonium (para)tungstate hydrate
Purity
99.99% trace metals basis
Packaging
25g
Price
$140
Updated
2024/03/01
Sigma-Aldrich
Product number
510114
Product name
Ammonium (para)tungstate hydrate
Purity
99.99% trace metals basis
Packaging
100g
Price
$339
Updated
2024/03/01
Alfa Aesar
Product number
042249
Product name
Tungsten, plasma standard solution, Specpure®
Purity
W 10,000μg/ml
Packaging
50ml
Price
$68.5
Updated
2023/06/20
Alfa Aesar
Product number
042249
Product name
Tungsten, plasma standard solution, Specpure®
Purity
W 10,000μg/ml
Packaging
100ml
Price
$106
Updated
2023/06/20
Alfa Aesar
Product number
042249
Product name
Tungsten, plasma standard solution, Specpure®
Purity
W 10,000μg/ml
Packaging
500ml
Price
$203
Updated
2023/06/20
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Ammonium paratungstate Chemical Properties,Usage,Production

Chemical Properties

White crystals. Soluble in water; insoluble in alcohol.

Uses

Ammonium tungsten oxide hydrate is used in production of tungsten alloys. It is used, refluxing the ammonia solution is advisable to speed up the dissolution of the oxide.

Uses

manufacture of tungsten alloys.

Flammability and Explosibility

Not classified

Purification Methods

It crystallises from warm water on adding EtOH and cooling.

Ammonium paratungstate Preparation Products And Raw materials

Raw materials

HEAVY CUT RESIDUE OIL Calcium chloride Sodium chloride Ammonium chloride Hydrochloric acid Sodium hydroxide Magnesium chloride hexahydrate Calcium chloride hexahydrate Sulfuric acid Ammonia Magnesium chloride

Preparation Products

Tungstic acid AMMONIUM METATUNGSTATE AMMONIUM TUNGSTATE PENTAHYDRATE (99.999%-W) PURATREM Tungsten
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View Lastest Price from Ammonium paratungstate manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Ammonium paratungstate 11120-25-5
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-01-29
ChemFine International Co.,Ltd.
Product
Ammonium paratungstate 11120-25-5
Price
US $60.00/KG
Min. Order
25KG
Purity
99%
Supply Ability
3000 kg
Release date
2025-01-08
Baoji Guokang Bio-Technology Co., Ltd.
Product
Ammonium paratungstate 11120-25-5
Price
US $20000.00/T
Min. Order
1T
Purity
99%
Supply Ability
200T
Release date
2021-06-03

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