Phosphotungstic Acid Hydrate

Application Notes

Phosphotungstic acid is used in histology as a component for staining of cell specimens. It is a common negative stain for viruses, nerves, polysaccharides, and other biological tissue materials for imaging by a transmission electron microscope. Phosphotungstic acid has been used to precipitate different types of dyes as lakes.

Usage Statement

Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.

Key Applications

Catalyst | Mordant | Negative stain

SKU	02156243-CF
Alternate Names	Tungstophosphoric acid; Phosphotungstic acid; tungsten complex; tunstophosphoric acid hydrate
Application Notes	Phosphotungstic acid is used in histology as a component for staining of cell specimens. It is a common negative stain for viruses, nerves, polysaccharides, and other biological tissue materials for imaging by a transmission electron microscope. Phosphotungstic acid has been used to precipitate different types of dyes as lakes.
Base Catalog Number	156243
CAS #	12501-23-4
EC Number	231-143-9
Format	Crystalline powder
Hazard Statements	H314
Molecular Formula	H3PO4·12WO3·×H2O
Molecular Weight	2898.053 g/mol
Personal Protective Equipment	Eyeshields, Faceshields, full-face particle respirator, Gloves, respirator cartridge, respirator filter
Safety Symbol	GHS05
Usage Statement	Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.