Ammonium paratungstate, 99%

Name: Ammonium paratungstate, 99%
Brand: Vaqora Chemicals
SKU: VQ-014871

About Ammonium paratungstate, 99%

Ammonium paratungstate (CAS 11120-25-5) is a refractory / heavy metal compound offered by Vaqora Chemicals in Synthesis grade at a purity of 99%. Formula H42N10O42W12, molecular weight 3060.5 g/mol. The IUPAC name is decaazanium. Hexakis(dioxido(dioxo)tungsten). Hydron. Hexakis(trioxotungsten). Alternative names: Ammonium tungstate and Ammonium (para)tungstate hydrate.

In its supplied form it is a white powder or crystalline powder. Key physical data: a melting point of above 300 °C and a density of 2.3 g/mL at 25 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for materials research and chemical synthesis. It is used across academic and industrial research.

We offer Ammonium paratungstate in 25 g, 100 g, 1 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Materials research
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Ammonium paratungstate, 99%
Catalogue No.	VQ-014871
CAS Number	11120-25-5
IUPAC name	decaazanium;hexakis(dioxido(dioxo)tungsten);hydron;hexakis(trioxotungsten)
Molecular formula	H₄₂N₁₀O₄₂W₁₂
Molecular weight	3060.5 g/mol
Exact mass	3059.5577
Grade	Synthesis
Purity / assay	99%
HSN code	2841
InChIKey	XAYGUHUYDMLJJV-UHFFFAOYSA-Z
PubChem CID	90478577

Physical properties
Physical form	Powder
Appearance	White powder or crystalline powder
Melting point	>300 °C
Density	2.3 g/mL at 25 °C
H-bond donors / acceptors	12 / 42
TPSA	799 Å²
Synonyms	Ammonium tungstate, Ammonium (para)tungstate hydrate, Ammonium para(vi)-tungstate, Decaammonium tungstate, Tungstate (W12(OH)2O4010), ammonium (1:10), Tungstate (W12(OH)2O4010-), ammonium (1:10)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ammonium paratungstate, 99%?

The CAS Registry Number of Ammonium paratungstate, 99% is 11120-25-5. It is also known as Ammonium tungstate, Ammonium (para)tungstate hydrate, Ammonium para(vi)-tungstate.

What is the molecular formula and molecular weight of Ammonium paratungstate, 99%?

Ammonium paratungstate, 99% has the molecular formula H42N10O42W12 and a molecular weight of 3060.5 g/mol.

Which grade and pack sizes of Ammonium paratungstate, 99% can I order?

We supply Ammonium paratungstate, 99% in Synthesis (99%) grade, in 25 g, 100 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ammonium paratungstate, 99%?

Yes. Every lot of Ammonium paratungstate, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ammonium paratungstate, 99% be shipped internationally?

Yes. Ammonium paratungstate, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.