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Orthophosphoric acid ≥85%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent

Supplier: VWR Chemicals

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Synonyms: Phosphoric acid

20624.262EA 3296 INR InStock
20624.262 20624.460 20624.295 20624.420 20624.310 20624.330
Orthophosphoric acid ≥85%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent
Orthophosphoric acid


Formula: H₃PO₄
MW: 98 g/mol
Boiling Pt: ~ 158 °C (1013 hPa)
Melting Pt: 28 °C
Density: 1.71 to 1.87 g/cm³ (25 °C)
Storage Temperature: Ambient
 MDL Number: MFCD00011340
CAS Number: 7664-38-2
EINECS: 231-633-2
UN: 1805
ADR: 8,III
REACH: 01-2119485924-24
Merck Index: 14,07344
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Specification Test Results
Assay 85.0 - 90.0 %
Appearance of solution S Passes test Ph.Eur.
Hypophosphorous and phosphorous acids Passes test Ph.Eur.
Identification A Passes test Ph.Eur.
Identification B Passes test Ph.Eur.
Substances precipitated with ammonia Passes test Ph.Eur.
Colouration Max. 10 APHA
Density (20/4) 1.680 - 1.710
Volatile acids Max. 0.0002 meq/g
Heavy metals (as Pb) Max. 5 ppm
Insoluble substances Max. 10 ppm
Reducing substances (as H3PO3) Max. 50 ppm
Substances reducing KMnO4 (as O) Max. 10 ppm
Silica Max. 0.025 %
Cl (Chloride) Max. 2 ppm
F (Fluoride) Max. 1 ppm
NO2 (Nitrite) Max. 0.05 ppm
NO3 (Nitrate) Max. 5 ppm
SO4 (Sulphate) Max. 30 ppm
As (Arsenic) Max. 0.5 ppm
Ca (Calcium) Max. 20 ppm
Cd (Cadmium) Max. 1 ppm
Co (Cobalt) Max. 1 ppm
Cu (Copper) Max. 1 ppm
Fe (Iron) Max. 5 ppm
K (Potassium) Max. 5 ppm
Mg (Magnesium) Max. 10 ppm
Mn (Manganese) Max. 0.5 ppm
Na (Sodium) Max. 0.025 %
Ni (Nickel) Max. 1 ppm
Pb (Lead) Max. 1 ppm
Sb (Antimony) Max. 5 ppm
Zn (Zinc) Max. 2 ppm
Conforms to ACS Passes test
Conforms to Reag. Ph.Eur. Passes test

 

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