TS3175 Ammonium Paratungstate (APT) (11120-25-5)

Catalog No. TS3175
Effective content WO3
CAS Number 11120-25-5
APS 35-60; 40-65 μm
Bulk Density(g/cm3) 1.5-2.6; 1.5-2.8
Content ≥88.5%

Ammonium Paratungstate (APT) is a kind of white crystalline powder with the chemical formula of WO3. Stanford Advanced Materials provides a different purity and customized packed Ammonium Paratungstate (APT) powder with a competitive price and great delivery time.

Related products: Tungsten Powder (W Powder), Ammonium Metatungstate (AMT), Tungsten Trioxide (WO3) – Normal

Ammonium Paratungstate (APT) Description

Ammonium Paratungstate (APT) is a white crystalline salt with the chemical formula (NH4)10(H2W12O42)·4H2O. It is described as “the most important raw material for all other tungsten products.” When ammonium paratungstate is heated to between 220 and 280 degrees Celsius, it loses part of its ammonium and water compounds, transforming into ammonium metatungstate. This new compound is a highly pure, water-soluble tungsten powder that is almost completely free of alkali and metallic impurities.

Ammonium Paratungstate (APT) Specification

Type

Physical Properties

Content

Monocrystal APT

Fsss (μm)

35-60

≥88.5%

Apparent Density
(g/cm3)

1.5-2.6

Polycrystalline APT

Fsss (μm)

40-65

Apparent Density
(g/cm3)

1.5-2.8

Impurities: (ppm, )

Al

As

Bi

Ca

Cd

5

10

1

10

1

Co

Cr

Cu

Fe

K

5

5

3

10

10

Mg

Mn

Mo

Na

Ni

5

5

20

10

5

P

Pb

S

Sb

Si

7

1

7

2

7

Sn

Ti

V

   

1

5

5

   

Ammonium Paratungstate (APT) Applications

Ammonium Paratungstate is used as a source for high-purity tungsten oxides, tungsten metal powders, carbides, or as a laboratory reagent. Other applications are in the fields of absorbent gels, coloring agents in the porcelain industry, and the catalyst industry.

Ammonium Paratungstate (APT) Safety Information

Signal Word

Warning

Hazard Statements

H315-H319-H335

Hazard Codes

Xi

Risk Codes

36/37/38

Safety Statements

26-36

RTECS Number

N/A

Transport Information

NONH for all modes of transport

WGK Germany

3

Ammonium Paratungstate (APT) Packaging

Our Ammonium Paratungstate (APT) is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

Double plastic bags in iron drum, 200kg/piece. Or according to the needs of customers.

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