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Phosphoric Acid

Ortho-Phosphoric Acid (17644)

Min. 85%, VLSI Puranal 250

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General Information

  • CAS Number
    • 7664-38-2
  • Molar Mass
    • 98 g/mol

Physical Properties

  • pH
    • 1.0 20 °C
  • Odor
    • Odorless
  • Partition Coefficient
    • No data available
  • Physical Form
    • Liquid
  • Flashpoint
    • Not applicable
  • Boiling Point/Range
    • 158 °C 1,013 hPa
  • Melting Point/Range
    • 21 °C
  • Color
    • Colorless
  • Vapor Pressure
    • 2 hPa 20 °C

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Flammable Gas Formation
    • The substance or mixture does not emit flammable gases in contact with water.
  • Chemical Stability
    • Stable under normal conditions.
  • Ignition Temperature
    • Not applicable
  • Evaporation Rate
    • No data available
  • Incompatible Materials
    • Metals, Powdered metals, Gives off hydrogen by reaction with metals, Strong bases
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Flammability
    • Not applicable

International Transportation

  • Chemical Class
    • 8
  • UN Number
    • 1805
  • Packing Group
    • III
  • Harmonized System Code
    • 28092000

General Information

  • CAS Number
    • 7664-38-2
  • Molar Mass
    • 98 g/mol

Physical Properties

  • pH
    • 1.0 20 °C
  • Odor
    • Odorless
  • Partition Coefficient
    • No data available
  • Physical Form
    • Liquid
  • Flashpoint
    • Not applicable
  • Boiling Point/Range
    • 158 °C 1,013 hPa
  • Melting Point/Range
    • 21 °C
  • Color
    • Colorless
  • Vapor Pressure
    • 2 hPa 20 °C

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Flammable Gas Formation
    • The substance or mixture does not emit flammable gases in contact with water.
  • Chemical Stability
    • Stable under normal conditions.
  • Ignition Temperature
    • Not applicable
  • Evaporation Rate
    • No data available
  • Incompatible Materials
    • Metals, Powdered metals, Gives off hydrogen by reaction with metals, Strong bases
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Flammability
    • Not applicable

International Transportation

  • Chemical Class
    • 8
  • UN Number
    • 1805
  • Packing Group
    • III
  • Harmonized System Code
    • 28092000
  • CAS Number : 7664-38-2
  • Molar Mass : 98 g/mol
  • pH : 1.0 20 °C
  • Odor : Odorless
  • Partition Coefficient : No data available
  • Physical Form : Liquid
  • Flashpoint : Not applicable
  • Boiling Point/Range : 158 °C 1,013 hPa
  • Melting Point/Range : 21 °C
  • Color : Colorless
  • Vapor Pressure : 2 hPa 20 °C
  • Corrosivity : Corrosive to metals
  • Flammable Gas Formation : The substance or mixture does not emit flammable gases in contact with water.
  • Chemical Stability : Stable under normal conditions.
  • Ignition Temperature : Not applicable
  • Evaporation Rate : No data available
  • Incompatible Materials : Metals, Powdered metals, Gives off hydrogen by reaction with metals, Strong bases
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Flammability : Not applicable
  • Chemical Class : 8
  • UN Number : 1805
  • Packing Group : III
  • Harmonized System Code : 28092000
Property
Value
particles > 0,5 µm
Max. 250 P/ml
particles > 5 µm
Max. 2 P/ml
assay
85 - 87 %
volatile acids (CH3COOH)
Max. 10 ppm
aluminium (Al)
Max. 1 ppm
arsenic (As)
Max. 0.5 ppm
calcium (Ca)
Max. 10 ppm
cadmium (Cd)
Max. 1 ppm
copper (Cu)
Max. 1 ppm
iron (Fe)
Max. 5 ppm
potassium (K)
Max. 2 ppm
magnesium (Mg)
Max. 5 ppm
manganese (Mn)
Max. 0.5 ppm
molybdenum (Mo)
Max. 1 ppm
sodium (Na)
Max. 10 ppm
nickel (Ni)
Max. 1 ppm
lead (Pb)
Max. 1 ppm
antimony (Sb)
Max. 2 ppm
strontium (Sr)
Max. 5 ppm
heavy metals (as Pb)
Max. 5 ppm
chloride (Cl)
Max. 1 ppm
fluoride (F)
Max. 1 ppm
nitrate (NO3)
Max. 3 ppm
phosphite,hypoph.(H3PO3)
Max. 50 ppm
sulfate (SO4)
Max. 5 ppm
KMnO4 red. matter (as O)
Max. 10 ppm
APHA
Max. 10
colour (2h, 160 °C)
complying