Phosphoric Acid, Food Grade

Synonyms: Ortho-phosphoric acid; white phosphoric acid
CAS No.: 7664-38-2
Molecular weight: 98.00
Molecular formula: H3PO4 in H2O

Basic Properties
  • Clear, colorless syrupy liquid, odorless
  • Miscible in all proportions in water
  • Specific gravity: 1.69 at 25 ˚C
  • pH: 1.5 (0.1 N aqueous solution)
  • % Volatiles by volume at 21 ˚C (70 °F): 100
  • Boiling point: 158 ˚C (316°F)
  • Melting point: 21 ˚C (70°F)
Specification (Food Grade, Standard FCC 12)
Identification according to FCC 12 Complied
Assay ≥85%
Arsenic ≤3.0 ppm
Lead (Pb) ≤3.0 ppm
Cadmium (Cd) ≤3.0 ppm
Fluoride (F) ≤10 ppm
Appearance Colorless clear or lightish thick liquid
Applications
  • Used as food acidulant, yeast nutrient
  • Used for manufacturing food grade phosphate salts
Safety Protection

DANGER! CORROSIVE. CAUSES SEVERE IRRITATION AND BURNS TO EVERY AREA OF CONTACT.
Not considered to be a fire hazard or an explosion hazard. Contact with most metals causes formation of flammable and explosive hydrogen gas.
In case of fire, use any means suitable for extinguishing surrounding fire. Water spray may be used to keep fire exposed containers cool. If water is used, use in abundance to control heat and acid build-up.

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