ortho-Phosphoric acid cryst. for analysis EMSURE (500 g)

SKU:
1005650500
$139.00

Description

1.00565 Supelco

ortho-Phosphoric acid 99%

cryst. for analysis EMSURE®

Synonym: Orthophosphoric acid, o-Phosphoric acid, Orthophosphoric acid, Phosphoric acid

  • CAS Number 7664-38-2

     

  • Linear Formula H3PO4

     

  • Molecular Weight 98.00

     

  •  Beilstein/REAXYS Number 1921286

     

  •  MDL number MFCD00011340

     

  •  EC Index Number 231-633-2

Description

Other Notes

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

Analysis Note

Assay (acidimetric): ≥ 99 %
Identity: passes test
Chloride (Cl): ≤ 2 ppm
Nitrate (NO₃): ≤ 2 ppm
Phosphite and Hypophosphite (as H₃PO₃): ≤ 500 ppm
Fluoride (F): ≤ 0.5 ppm
As (Arsenic): ≤ 1 ppm
Ca (Calcium): ≤ 20 ppm
Cd (Cadmium): ≤ 1 ppm
Co (Cobalt): ≤ 1 ppm
Cu (Copper): ≤ 1 ppm
Fe (Iron): ≤ 10 ppm
K (Potassium): ≤ 5 ppm
Mg (Magnesium): ≤ 1 ppm
Mn (Manganese): ≤ 1 ppm
Na (Sodium): ≤ 50 ppm
Ni (Nickel): ≤ 1 ppm
Pb (Lead): ≤ 1 ppm
Sb (Antimony): ≤ 1 ppm
Zn (Zinc): ≤ 1 ppm
Volatile acids (as CH₃COOH): ≤ 20 ppm
Substances reducing potassium permanganate (as O): ≤ 20 ppm

 

Properties

Quality Level   300
vapor density   3.4 (vs air)
vapor pressure   2.2 mmHg ( 20 °C)
  5 mmHg ( 25 °C)
assay   ≥99% (acidimetric)
form   solid
potency   2740 mg/kg LD50, skin (Rabbit)
pH   <0.5 (20 °C, 100 g/L in H2O)
bp   158 °C (lit.)
mp   ~40 °C (lit.)
solubility   750-850 g/L
density   1.685 g/mL at 25 °C (lit.)
  1.84 g/cm3 at 38 °C
anion traces   chloride (Cl-): ≤2 ppm
  fluoride (F-): ≤0.5 ppm
  nitrate (NO3-): ≤2 ppm
  phosphite, hypophosphite (as H3PO3): ≤500 ppm
cation traces   As: ≤1 ppm
  Ca: ≤20 ppm
  Cd: ≤1 ppm
  Co: ≤1 ppm
  Cu: ≤1 ppm
  Fe: ≤10 ppm
  K: ≤5 ppm
  Mg: ≤1 ppm
  Mn: ≤1 ppm
  Na: ≤50 ppm
  Ni: ≤1 ppm
  Pb: ≤1 ppm
  Sb: ≤1 ppm
  Zn: ≤1 ppm
SMILES string   OP(O)(O)=O
InChI   1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
InChI key   NBIIXXVUZAFLBC-UHFFFAOYSA-N
storage conditions   Store below +30°C.