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455970 Aldrich

Phosphotungstic acid hydrate

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

Synonym: Tungstophosphoric acid

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Properties

Related Categories Acids, Electronic Chemicals, Materials Science, Micro/NanoElectronics
assay   99.995% trace metals basis (Purity excludes up to 300 ppm Si)
mp   ~95 °C(lit.)

Description

Packaging

10, 50 g in poly bottle

Application

The acid selectively blocks dye components from staining the tissue by either binding to it or by acting as a mordant. It may be used a recyclable superacid catalyst for isomerization reaction of cycloalkanes. It may simply be used as an acid catalyst for the following reactions:
• Prins cyclization reaction
• dehydration of alcohols
• hydration of olefins.3
Phosphotungstic acid based membranes may be used for fuel cell applications.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3260 8 / PGII
WGK Germany 
3
Protocols & Articles
Peer-Reviewed Papers
15

References

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