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Ammonium paratungstate

Ammonium paratungstate Structure
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)
Molecular Weight:
2896.08
MOL File:
11120-25-5.mol
MSDS File:
SDS
Modify Date:
2024/6/24 22:20:23

Ammonium paratungstate Properties

Melting point 3410 °C(lit.)
Boiling point 5660 °C(lit.)
Density 2.3 g/mL at 25 °C(lit.)
vapor pressure 0Pa at 25℃
solubility soluble in H2O; insoluble in ethanol
form wire
color White
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)

SAFETY

Risk and Safety Statements

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
NFPA 704
0
2 0

Ammonium paratungstate price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 510114 Ammonium paratungstate 99.99% trace metals basis 11120-25-5 25G ₹10511.08 2022-06-14 Buy
Sigma-Aldrich(India) 510114 Ammonium paratungstate 99.99% trace metals basis 11120-25-5 100G ₹20286.05 2022-06-14 Buy
ALFA India ALF-022640-14 Ammonium tungsten oxide hydrate 11120-25-5 25g ₹5936 2022-05-26 Buy
ottokemi A 2265 Ammonium paratungstate 99% 11120-25-5 100gm ₹2952 2022-05-26 Buy
ottokemi A 2265 Ammonium paratungstate 99% 11120-25-5 500gm ₹12006 2022-05-26 Buy
Product number Packaging Price Buy
510114 25G ₹10511.08 Buy
510114 100G ₹20286.05 Buy
ALF-022640-14 25g ₹5936 Buy
A 2265 100gm ₹2952 Buy
A 2265 500gm ₹12006 Buy

Ammonium paratungstate Chemical Properties,Uses,Production

Chemical Properties

White crystals. Soluble in water; insoluble in alcohol.

Uses

manufacture of tungsten alloys.

Purification Methods

It crystallises from warm water on adding EtOH and cooling.

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TUNGSTEN ICP STANDARD TUNGSTEN ICP/DCP STANDARD TUNGSTEN ATOMIC SPECTROSCOPY STANDARD TUNGSTEN ATOMIC ABSORPTION STANDARD TUNGSTEN AA STANDARD Wolfram W HC 40 tungstate(w12(oh)2o4019-),decaammonium Tungstate,decaammonium Ammonium paratungstate hexahydrate AMMONIUM PARATUNGSTATE, 99.9+% (NH4)10H2(W2O7)6 AMMoniuM Metagungstate Ammonium (para)tungs Ammonium (para)tungstate hydrate 99.99% trace metals basis Ammonium (para)tungstate hydrate Tungsten wire, gold plated, 0.05mm (0.002 in.) dia. Tungsten, plasma standard solution, Specpure? Tungsten plasma standard solution, W 10,000μg/mL Tungsten wire, chromium plated, ≤1.8mm (0.07 in.) dia., thick: 1.3mm (0.05 in.), Cr layer: ≤0.01 in. thick Tungsten wire, gold plated, 0.1mm (0.004 in.) dia. Tungsten AAS standard solution, W 1000μg/mL Ammonium Paratungstat TUNGSTEN STANDARD SOLUTION TUNGSTEN STANDARD TUNGSTEN SINGLE ELEMENT STANDARD TUNGSTEN RIBBON TUNGSTEN, PLASMA STANDARD SOLUTION TUNGSTEN PLASMA EMISSION STANDARD TUNGSTEN PLASMA EMISSION SPECTROSCOPY STANDARD TUNGSTEN, AAS STANDARD SOLUTION TUNGSTEN AA SINGLE ELEMENT STANDARD AMMONIUM PARATUNGSTATE 99.999%, Soluble form ammonium (para)tungstate hydrate AMMONIUMPARATUNGSTATE,CRYSTALLINEPOWDER Ammonium paratungstate Decaammonium tungstate Tungsten, AAS standard solution, Specpure(R), W 1000μg/ml Tungsten, plasma standard solution, Specpure(R), W 10,000μg/ml Tungsten, plasma standard solution, Specpure(R), W 1000μg/ml Ammonium tungsten oxide pentahydrate, Puratronic, 99.999% (metals basis) diazanium dioxido-dioxotungsten AMMONIUM PARATUNGSTATE, 99.9%AMMONIUM PARATUNGSTATE, 99.9%AMMONIUM PARATUNGSTATE, 99.9%AMMONIUM PARATUNGSTATE, 99.9% AMMONIUM PARATUNGSTATE, 99.999%, Soluble formAMMONIUM PARATUNGSTATE, 99.999%, Soluble formAMMONIUM PARATUNGSTATE, 99.999%, Soluble formAMMONIUM PARATUNGSTATE, 99.999%, Soluble form Tungstate(W12(OH)2O4010-), ammonium TUNGSTEN METAL 11120-25-5 NH410H2W2O76H2O NH410W12O415H2O Win5HNO3trHF Tungstenwirethickness13mm005in NH42WO4inH2O NH410H2W2O76xH2O W12O41N10H42xH2O Analytical Standards Analytical Chromatography Product Catalog 1.00 g/L Alphabetic