Skip to Content
MilliporeSigma
All Photos(2)

Key Documents

510114

Sigma-Aldrich

Ammonium paratungstate

99.99% trace metals basis

Synonym(s):

Tungstic acid decaammonium salt

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(NH4)10H2(W2O7)6 · xH2O
CAS Number:
Molecular Weight:
3060.46 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38180907
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

99.99% trace metals basis

form

powder

mp

>300 °C (lit.)

density

2.3 g/mL at 25 °C (lit.)

SMILES string

N.N.N.N.N.N.N.N.N.N.O[W]12(=O)O[W]3(O)(=O)O[W](O)(=O)(O3)O[W]4(O)(=O)O[W](O)(=O)(O4)O[W]5(O)(=O)O[W]6(=O)(O5)O[W]7(=O)(O[W](O)(=O)(O[W]8(O)(=O)O[W](O)(=O)(O[W](O)(=O)(O1)O2)O8)O7)O6

InChI

1S/10H3N.10H2O.31O.12W/h10*1H3;10*1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;10*+1/p-10

InChI key

LMAJGSPZJYEENT-UHFFFAOYSA-D

Looking for similar products? Visit Product Comparison Guide

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Andreas Seidl et al.
Pharmaceutical research, 29(6), 1454-1467 (2011-11-19)
Following two cases of neutralizing antibodies to epoetin alfa in an investigational clinical study, a small number of individual syringes of two drug product batches were found to contain unusually high levels of aggregation at the end of the clinical
Xingcui Guo et al.
Scientific reports, 5, 16451-16451 (2015-11-19)
Ruthenium (Ru) supported on activated carbon (AC) and carbon nanotubes (CNTs) was carried out in the hydrogenolysis of sorbitol to ethylene glycol (EG) and 1,2-propanediol (1,2-PD) under the promotion of tungsten (WOx) species and different bases. Their catalytic activities and
Jie He et al.
Small (Weinheim an der Bergstrasse, Germany), 11(9-10), 1144-1149 (2014-08-08)
Ultrathin tungsten oxide nanobelts are successfully synthesized via a facile solvothermal method. Sub-1 nm thickness and hydrophobic surface property endow the nanobelts with flexibility, viscosity, gelation, and good catalytic performance in oxidative desulfurization.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service