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P4006

Sigma-Aldrich

Phosphotungstic acid hydrate

reagent grade

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Synonym(s):
Tungstophosphoric acid
Linear Formula:
H3[P(W3O10)4] · xH2O
CAS Number:
Molecular Weight:
2880.05 (anhydrous basis)
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

reagent grade

Quality Level

form

powder

mp

~95 °C (lit.)

SMILES string

O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O

InChI

1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

InChI key

AVFBYUADVDVJQL-UHFFFAOYSA-N

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1 of 4

This Item
796904559701.00583
Phosphotungstic acid hydrate reagent grade

P4006

Phosphotungstic acid hydrate

Phosphotungstic acid hydrate for microscopy

79690

Phosphotungstic acid hydrate

Phosphotungstic acid hydrate 99.995% trace metals basis (Purity excludes up to 300 ppm Si)

455970

Phosphotungstic acid hydrate

Tungstophosphoric acid hydrate for analysis EMSURE®

1.00583

Tungstophosphoric acid hydrate

Quality Level

200

Quality Level

200

Quality Level

-

Quality Level

300

form

powder

form

powder or crystals

form

powder or crystals

form

solid

mp

~95 °C (lit.)

mp

~95 °C (lit.)

mp

~95 °C (lit.)

mp

107 °C

General description

Phosphotungstic acid hydrate is a heteropolyacid.

Application

Phosphotungstic acid hydrate may be used as a staining agent for the transmission electron microscope (TEM) imaging of cetyltrimethylammonium bromide (CTAB) coated gold nanorods.
It may be used in the preparation of:
  • Phosphotungstic acid doped ormosil hybrid networks.
  • Niobia supported phosphotungstic acid (PTA) catalysts.
  • Titanium dioxide (TiO2) nanoparticles /phosphotungstic acid (HPW) films.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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