Phosphoric acid, ACS Reagent, =85 wt. % in H2O

Name: Phosphoric acid
Synonymn: Orthophosphoric acid
Description: ACS Reagent, ≥85 wt. % in H2O

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
UNSPSC Code: 12352106

SPECIFICATIONS

Assay: min. 85.0 %
Volatile acids (CH₃COOH): max. 0.001 %
Water insoluble matter: max. 0.001 %
Arsenic (As): max. 1 ppm
Calcium (Ca): max. 0.002 %
Iron (Fe): max. 0.003 %
Potassium (K): max. 0.005 %
Magnesium (Mg): max. 0.002 %
Manganese (Mn): max. 0.5 ppm
Sodium (Na): max. 0.025 %
Antimony (Sb): max. 0.002 %
Heavy metals (as Pb): max. 0.001 %
Chloride (Cl): max. 3 ppm
Nitrate (NO₃): max. 5 ppm
Sulfate (SO₄): max. 0.003 %
Reducing impurities: complying
APHA: max. 10



PHYSICAL PROPERTIES

Vapor Pressure: 5 mmHg ( 25 °C)
Vapor Pressure: 2.2 mmHg ( 20 °C)
Vapor Density: 3.4 (vs air)
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)
Do not breathe dust/fume/gas/mist/vapours/spray (P260)
Wear protective gloves/protective clothing/eye protection/face protection (P280)
Wear respiratory protection (P284)

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