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510114

Sigma-Aldrich

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)
EC Number:
234-364-9
MDL number:
MFCD00015956
UNSPSC Code:
12352300
eCl@ss:
38180907
PubChem Substance ID:
329757659
NACRES:
NA.23

Quality Level

100

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

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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

510114-BULK:
510114-100G:
510114-25G:
510114-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCL8549
MKCG0190
MKCC7419
MKBZ7283V
MKBX3654V

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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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