Phosphoric acid, Puriss. p.a., ACS Reagent, Reag. ISO, Reag.

Name: Phosphoric acid
Synonymn: Orthophosphoric acid
Description: Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., ≥85%

Container Type: Plastic Bottle

Molar Mass: 98 g/mol

Empirical Formula: H₃O₄P
Linear Formula: H₃PO₄

CAS Number: 7664-38-2
Bielstein Registry Number: 1921286
EC Number: 231-633-2
MDL Number: MFCD00011340

SPECIFICATIONS

Assay: min. 85 %
Volatile acids (CH₃COOH): max. 0.001 %
Water insoluble matter: max. 0.001 %
Arsenic (As): max. 0.5 ppm
Calcium (Ca): max. 0.001 %
Cadmium (Cd): max. 0.0001 %
Cobalt (Co): max. 0.0001 %
Chromium (Cr): max. 0.0001 %
Copper (Cu): max. 0.0001 %
Iron (Fe): max. 5 ppm
Potassium (K): max. 0.0005 %
Magnesium (Mg): max. 0.0005 %
Manganese (Mn): max. 0.5 ppm
Sodium (Na): max. 0.002 %
Nickel (Ni): max. 0.0001 %
Lead (Pb): max. 0.0001 %
Antimony (Sb): max. 0.0002 %
Zinc (Zn): max. 0.0002 %
Heavy metals (as Pb): max. 0.001 %
Chloride (Cl): max. 2 ppm
Fluoride (F): max. 0.0001 %
Nitrate (NO₃): max. 3 ppm
Phosphite,Hypoph. (H₃PO₃): max. 0.002 %
Phosphite, hypophosphite: complying
Sulfate (SO₄): max. 30 ppm
KMnO₄ reducing matter (as O): max. 0.001 %
Substances precipitated by NH₃: complying
APHA: max. 10
Reducing impurities: complying
Appearance of the solution: complying
Residual solvents: complying
Assay: 0.95 - 1.10 mol/l



PHYSICAL PROPERTIES

Vapor Pressure: 2.2 mmHg ( 20 °C)
Vapor Pressure: 5 mmHg ( 25 °C)
Boiling Point: 158 °C
Freezing Point: 21 °C
Density: 1.71 g/cm3



SAFETY INFORMATION

Hazard Class: 8
Package Group: III
UN ID: 1805
Signal Word: Danger

GHS Classification:
Corrosive (GHS05)

Hazard Statement(s):
May be corrosive to metals (H290)
Causes severe skin burns and eye damage (H314)

Precautionary Statement(s):
Keep only in original container (P234)
Wash thoroughly after handling (P264)
Wear protective gloves/protective clothing/eye protection/face protection (P280)

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