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Merck
CN

510114

Ammonium paratungstate

99.99% trace metals basis

Synonym(s):

Tungstic acid decaammonium salt

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About This Item

Linear Formula:
(NH4)10H2(W2O7)6 · xH2O
CAS Number:
11120-25-5
Molecular Weight:
3060.46 (anhydrous basis)
PubChem Substance ID:
329757659
eCl@ss:
38180907
UNSPSC Code:
12352300
NACRES:
NA.23
EC Number:
234-364-9
MDL number:
MFCD00015956

Key Documents

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Product Name

Ammonium paratungstate, 99.99% trace metals basis

InChI key

LMAJGSPZJYEENT-UHFFFAOYSA-D

InChI

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

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

assay

99.99% trace metals basis

form

powder

mp

>300 °C (lit.)

density

2.3 g/mL at 25 °C (lit.)

Quality Level

100

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ0478
MKCL8549
MKCG0190
MKCC7419
MKBZ7283V

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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.

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