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79617 Sigma

Phosphoric acid

BioUltra, ≥85% (T)

Synonym: Orthophosphoric acid

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Properties

vapor density   3.4 (vs air)
vapor pressure   2.2 mmHg ( 20 °C)
  5 mmHg ( 25 °C)
InChI Key   NBIIXXVUZAFLBC-UHFFFAOYSA-N
product line   BioUltra
assay   ≥85% (T)
impurities   insoluble matter, passes filter test
  ≤0.001% KMnO4-reducing matter (as O)
  ≤0.001% volatile acids (as CH3COOH)
refractive index   n20/D 1.433
bp   158 °C(lit.)
mp   ~40 °C(lit.)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
density   1.685 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤2 mg/kg
  fluoride (F-): ≤1 mg/kg
  nitrate (NO3-): ≤5 mg/kg
  phosphite, hypophosphite (as H3PO3): ≤50 mg/kg
  sulfate (SO42-): ≤30 mg/kg
cation traces   Ag: ≤1 mg/kg
  Al: ≤1 mg/kg
  As: ≤0.5 mg/kg
  Ba: ≤1 mg/kg
  Bi: ≤1 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤1 mg/kg
  Cr: ≤1 mg/kg
  Cu: ≤1 mg/kg
  Fe: ≤10 mg/kg
  K: ≤5 mg/kg
  Li: ≤1 mg/kg
  Mg: ≤1 mg/kg
  Mn: ≤1 mg/kg
  Mo: ≤1 mg/kg
  Na: ≤20 mg/kg
  Ni: ≤1 mg/kg
  Pb: ≤1 mg/kg
  Sb: ≤2 mg/kg
  Sr: ≤1 mg/kg
  Tl: ≤1 mg/kg
  Zn: ≤1 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: ≤0.05
  λ: 280 nm Amax: ≤0.04
Gene Information   human ... SRC(6714)

Description

Caution

product may become solid; becomes liquid on heating to 50°C.

Other Notes

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

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 
Precautionary statements 
RIDADR 
UN 1805 8 / PGIII
WGK Germany 
1
Protocols & Articles
Peer-Reviewed Papers
15

References

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