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466123 Aldrich

Phosphoric acid

crystalline, ≥99.999% trace metals basis

Synonym: Orthophosphoric acid

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Properties

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)

Description

Other Notes

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

Packaging

25, 100 g in poly bottle

Packaged in poly bottles

Application

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


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
RIDADR 
UN 3453 8 / PGIII
WGK Germany 
1
RTECS 
TB6300000
Protocols & Articles

Articles

Determination of Water Content in Phosphoric acid 85% Using Karl Fischer Titration

Strong acids shift the pH of the KF reagent and must be neutralized. This can be carried out directly in the titration cell providing a sufficient amount of buffer is added, e.g. HYDRANAL-Buffer Acid...
Keywords: Esterifications, Titrations

Peer-Reviewed Papers
15

References

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