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95420

Sigma-Aldrich

Tungstic acid

≥98.0% (calcined substance, T), powder

Synonym(s):

Tungstic(VI) acid

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MXP 2,499.00
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100 G
MXP 2,499.00
500 G
MXP 9,518.00

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

MXP 2,499.00


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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

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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

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