Skip to Content
Merck

95420

Sigma-Aldrich

Tungstic acid

≥98.0% (calcined substance, T), powder

Synonym(s):

Tungstic(VI) acid

Sign Into View Organizational & Contract Pricing

Select a Size

50 μG
₩621,282

₩621,282


Please contact Customer Service for Availability

Request a Bulk Order

Select a Size

Change View
50 μG
₩621,282

About This Item

Linear Formula:
H2WO4
CAS Number:
Molecular Weight:
249.85
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23

₩621,282


Please contact Customer Service for Availability

Request a Bulk Order

Quality Level

Assay

≥98.0% (calcined substance, T)

form

powder

impurities

≤0.2% insoluble matter in NaOH

loss

≤9.0% loss on ignition

density

5.5 g/mL at 25 °C (lit.)

SMILES string

O[W](O)(=O)=O

InChI

1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2

InChI key

CMPGARWFYBADJI-UHFFFAOYSA-L

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
SRP3069SRP3062I8904
assay

≥98% (HPLC), ≥98% (SDS-PAGE)

assay

≥95% (HPLC)

assay

≥98% (HPLC), ≥98% (SDS-PAGE)

assay

>97% (SDS-PAGE)

recombinant

expressed in E. coli

recombinant

expressed in E. coli

recombinant

expressed in E. coli

recombinant

expressed in E. coli

biological source

human

biological source

human

biological source

human

biological source

mouse

form

lyophilized

form

lyophilized powder

form

lyophilized

form

lyophilized powder

mol wt

7.5 kDa

mol wt

~7.6 kDa

mol wt

25.4 kDa

mol wt

~7.4 kDa

General description

Tungstic acid may be prepared by either digesting tungstate of lime or by treating tungsten with hydrochloric acid. 1

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non 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

Customers Also Viewed

Multiple reversible protonation of polyoxoanion surfaces: direct observation of dynamic structural effects from proton transfer.
Xikui Fang et al.
Angewandte Chemie (International ed. in English), 46(21), 3877-3880 (2007-04-20)
J W White et al.
Journal - Association of Official Analytical Chemists, 72(6), 907-911 (1989-11-01)
Using the difference in stable carbon isotope ratio between a honey and its protein fraction permits objective evaluation of possible adulteration of honey with small amounts (7-20%) as well as larger amounts of corn or cane sugar. The present uncertainty
L V Del Priore et al.
Biochimica et biophysica acta, 845(1), 81-85 (1985-04-22)
Anionic activation of rod outer segment phosphodiesterase by vanadate, molybdate and tungstate is demonstrated. Comparisons are made to adenylate cyclase, which is known to be activated by vanadate and molybdate but not by tungstate. In view of the differences in
Shaopu Liu et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 19(7), 1055-1060 (2003-07-26)
In a weak acid medium, when an isopoly-tungstic acid reacts with berberine to form an ion-association complex, strong resonance Rayleigh scattering (RRS) appears and obvious frequency-doubling scattering (FDS) as well as second-order scattering (SOS) come into being. The scattering peaks
Laura Barrio et al.
The journal of physical chemistry. A, 111(11), 2166-2171 (2007-03-29)
The catalytic system formed by tungstic acid and its complexes with H2O2 and phenylphosphonic acid has been analyzed from the experimental and theoretical points of view. Previous structural studies by XRD proved the validity of the DFT proposed models and

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