Ammonium paratungstate

Ammonium paratungstate

CAS Number
11120-25-5
Molecular Formula
H42N10O42W12
Purity
Up To 99.0%
Tungstate (W12(OH)2O4010-), ammonium (1:10) (ACI)Intermediate Tungsten Carbide PowderAPT for High-Density Defense AlloysTungsten Chemical Feedstock Semiconductor GatesHydrogenolysis Catalyst Precursor APTAmmonium Paratungstate vs Ammonium Metatungstate(AMT)

About Ammonium paratungstate

Source high-purity ammonium paratungstate (CAS 11120-25-5) from Scimplify, one of the trusted global ammonium paratungstate suppliers and critical metal distributors. Ammonium Paratungstate (APT), a white crystalline ammonium tungsten salt commonly supplied as the decahydrate, is the most important intermediate in the ...

Synonyms

  • Ammonium paratungstate
  • Ammonium tungstate
  • Ammonium tungstate(VI)
  • tungsten standard solution
  • 'Ammonium Tungstate, 25g'

Ammonium paratungstate Specifications

CAS Number
11120-25-5
Molecular Formula
H42N10O42W12
Molecular Weight
3060.48
IUPAC Name
decaazanium;hexakis(dioxido(dioxo)tungsten);hydron;hexakis(trioxotungsten) /
Canonical SMILES
[H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O
InChI Key
XAYGUHUYDMLJJV-UHFFFAOYSA-Z
InChI
1S/10H3N.42O.12W/h10*1H3;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;12*-1;;;;;;;;;;;;/p+12
EINECS Number
234-364-9
HSN No
28418010
Molecular Weight
3060.48
W03 %
89.05%
Grade
Extra Pure
Physical State
Solid
Odour
Odour less
Melting Point(C)
Decomposes at 600"C
Density (g/cm")
2.3 g/ml at 25'C (lit.)
(NH4)10H2W12O42.xH2O Purity
Up To 99.0%
Hazard Classes and Categories
Skin Irrit. 2 (100%), Eye Irrit. 2 (100%), STOT SE 3 (100%)
Precautionary Statement Codes
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Metallurgy: Foundation of Tungsten Carbide

Primary raw material for producing Tungsten Metal Powder and Tungsten Carbide (WC). Through a process of calcination (to form Blue or Yellow Tungsten Oxide) followed by hydrogen reduction, it is transformed into the ultra-hard materials used for drill bits, armor-piercing munitions, and wear-resistant machinery parts

Chemical Industry: High-Performance Catalysts

Precursor for heterogeneous catalysts, particularly in the petrochemical industry. Tungsten-based catalysts are essential for hydrocracking, denitrification, and the oxidation of organic compounds, where thermal stability and acidity are paramount

Electronics & Pigments: Specialty Coatings

Synthesis of phosphors for X-ray screens and in the production of specialized Tungsten Bronzes and pigments. serves as a starting material for chemical vapor deposition (CVD) processes in semiconductor manufacturing

Tungsten Chemistry: Universal Intermediate

The primary precursor for virtually all downstream tungsten compounds. Through thermal decomposition or chemical conversion, APT is used to produce yellow tungsten oxide (WO3), blue tungsten oxide, tungstic acid, and ammonium metatungstate (AMT) for the chemical, catalyst, and metallurgical industries.

Speciality Alloy & Defense/aerospace Materials Precursor

Feedstock for tungsten heavy alloys (WHA) is valued for its exceptional density. Used in radiation shielding, aerospace, and motorsport counterweights and ballast, vibration-damping tooling, and kinetic-energy penetrators, where maximum mass in minimal volume is required.

Tungsten Powder & Carbide Manufacturing Feedstock

A foundational chemical precursor for thermal decomposition and reduction into tungsten oxide, high-purity tungsten metal powder, and tungsten carbide.

Hydroprocessing & SCR Catalyst Production

A direct deployment by petroleum refiners and environmental catalyst manufacturers as an active tungsten precursor for hydrocracking, hydrodesulfurisation (HDS), and NOx selective catalytic reduction systems

Storage Stability

Stable at room temperature. When heated above 250°C, it begins to decompose, releasing ammonia and water to form tungsten trioxide (WO3)

Storage Section

Store in a cool, dry, well-ventilated warehouse. Keep containers tightly closed to prevent moisture absorption (hygroscopicity) which can cause caking.

Shipping

Generally non-hazardous for transport. Available in 25kg/50kg plastic-lined woven bags, fiber drums, or 1000kg "Big Bags" for international industrial supply

  1. Ammonium paratungstate
  2. Ammonium tungstate
  3. Ammonium tungstate(VI)
  4. tungsten standard solution
  5. 'Ammonium Tungstate, 25g'

Ammonium paratungstate FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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