466123 Aldrich

Phosphoric acid

crystalline, ≥99.999% trace metals basis

Synonym: Orthophosphoric acid


Related Categories Acids, Electronic Chemicals, Materials Science, Micro/NanoElectronics
vapor density   3.4 (vs air)
vapor pressure   2.2 mmHg ( 20 °C)
  5 mmHg ( 25 °C)
assay   ≥99.999% trace metals basis
form   crystalline
bp   158 °C(lit.)
mp   ~40 °C(lit.)
  41-44 °C
density   1.685 g/mL at 25 °C(lit.)
  1.830 g/mL at 25 °C
Gene Information   human ... SRC(6714)


Other Notes

Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).


25, 100 g in poly bottle


Industrially, phosphoric acid may be used in fertilizers, detergents, pharmaceuticals, water softeners.

General description

Anhydrous phosphoric acid is a white solid which melts at 42.35oC to form a viscous liquid. In aqueous solution phosphoric acid behaves as a triprotic acid, having three ionizable hydrogen atoms.

Price and Availability

Suggested Laboratory Gloves

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