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04102 Sigma-Aldrich

Phosphoric acid

puriss., ≥99%

Synonym: Orthophosphoric acid

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Inorganic Acids, Synthetic Reagents More...
vapor density   3.4 (vs air)
vapor pressure   2.2 mmHg ( 20 °C)
  5 mmHg ( 25 °C)
InChI Key   NBIIXXVUZAFLBC-UHFFFAOYSA-N
grade   puriss.
assay   ≥99%
impurities   ≤0.002% heavy metals (as Pb)
bp   158 °C(lit.)
mp   ~40 °C (lit.)
density   1.685 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤10 mg/kg
  nitrate (NO3-): ≤10 mg/kg
  phosphite, hypophosphite (as H3PO3): ≤100 mg/kg
  sulfate (SO42-): ≤20 mg/kg
cation traces   Fe: ≤10 mg/kg
Gene Information   human ... SRC(6714)

Description

Other Notes

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

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Safety & Documentation

Safety Information

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

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