Acido ortofosforico, 85%, per analisi, ExpertQ®, ACS, ISO, Reag. Ph Eur

- 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): min. 85 %
identity: passes test
appearance of solution: passes test
colour (Hazen): max. 10
insoluble in water: max. 0,001 %
volatile acids (as CH3COOH): max. 0,001 %
chlorides (Cl): max. 0,0002 %
fluorides (F): max. 0,0001 %
nitrates (NO3): max. 0,0003 %

hypophosphites (as H3PO3): max. 0,002 %
sulfates (SO4): max. 0,002 %
antimony (Sb): max. 5 ppm
arsenic (As): max. 0,5 ppm
cadmium (Cd): max. 0,5 ppm
calcium (Ca): max. 0,002 %
cobalt (Co): max. 0,5 ppm
copper (Cu): max. 0,5 ppm
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 0,001 %
lead (Pb): max. 0,5 ppm
magnesium (Mg): max. 5 ppm
manganese (Mn): max. 0,5 ppm
nickel (Ni): max. 1 ppm
potassium (K): max. 5 ppm
sodium (Na): max. 0,02 %
zinc (Zn): max. 2 ppm
substances precipitated with ammonia: passes test
substances reducing KMnO4 : passes test

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