ortho-Phosphoric acid, 85%, Pharmpur®, Ph Eur, BP, NF

- Synonyms: Orthophosphoric acid
- H3PO4
- M = 98,00 g/mol
- CAS [7664-38-2]
- EINECS-No.: 231-633-2
- Density: 1,71 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: ~ 21 ºC
- Boiling point: ~ 158 ºC
- Vapour pressure: (25 ºC) 2,2 hPa
- LD 50 (oral, rat): 1530 mg/kg (anhydrous substance)
- EC-Index-No.: 015-011-00-6
- ADR: 8 C1 III UN 1805
- IMDG: 8 III UN 1805
- IATA/ICAO: 8 III UN 1805
- GHS-signal word: Danger
- GHS-H sentences: H314
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501a
- Tariff number: 2809 20 00 00
- Applications: analytical chemistry, laboratory reagent, in fertilizer compositions, solvents (for pharmaceutical use), antioxidant (in food industry).

SPECIFICATIONS
assay (acidimetric): 85,0 - 88,0 %
Identification phosphate: passes test
Identification A (EP): passes test
appearance of solution: clear and colourless
hypophosphorous acid and phosphorous acid: passes test
alkali phosphates: passes test
chlorides (Cl): max. 50 ppm
nitrates (NO3): passes test
sulfates (SO4): max. 100 ppm:
sulfates (SO4): passes test
arsenic (As): max. 2 ppm
iron (Fe): max. 50 ppm
substances precipitated with ammonia: passes test