https://industrial.honeywell.com/us/en/search-results.html
Outage Notification: This website will undergo a planned maintenance outage on Saturday, June 5, from 12:30-2:30 p.m. EDT (6:30-8:30 p.m. UDT). We regret any inconvenience this may cause.

Hypophosphorus, Phosphorus & Phosphoric Acids

Hypophosphorous acid 50% (04422)

pure, alkyd synthesis, reducing agent for electroless nickel plating, assay 49.5 - 50.5%

Request Free Samples
Hypophosphorous Acid is used as catalyst during esterification alkyd synthesis, reducing agent for electroless nickel plating, decolorizing or bleaching agent, color stabilizer during the manufacturing of chemicals and plastics

General Information

  • CAS Number
    • 6303-21-5
  • Molar Mass
    • 66.0 g/mol
  • Application
    • Brazing

Physical Properties

  • Density
    • 1.210 to 1.260 g/cm3 20 °C
  • pH
    • 1.0 20 °C
  • Vapor Pressure
    • 30 hPa 20 °C
  • Solubility in Water
    • Completely miscible
  • Physical Form
    • Liquid
  • Odor
    • Odorless
  • Melting Point/Range
    • < -25 °C
  • Color
    • Colorless
  • Boiling Point/Range
    • 108 °C Decomposes on heating

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Incompatible Materials
    • Oxidizing agents, Bases, Corrosive in contact with metals, Decomposes by reaction with alkaline solutions
  • Thermal Decomposition
    • Heating can release vapours which can be ignited: 108 °C
  • Chemical Stability
    • Stable under normal conditions.
  • Flammability
    • Not applicable

International Transportation

  • Chemical Class
    • 8
  • UN Number
    • 3264
  • Packing Group
    • II
  • Harmonized System Code
    • 2811196190

General Information

  • CAS Number
    • 6303-21-5
  • Molar Mass
    • 66.0 g/mol
  • Application
    • Brazing

Physical Properties

  • Density
    • 1.210 to 1.260 g/cm3 20 °C
  • pH
    • 1.0 20 °C
  • Vapor Pressure
    • 30 hPa 20 °C
  • Solubility in Water
    • Completely miscible
  • Physical Form
    • Liquid
  • Odor
    • Odorless
  • Melting Point/Range
    • < -25 °C
  • Color
    • Colorless
  • Boiling Point/Range
    • 108 °C Decomposes on heating

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Incompatible Materials
    • Oxidizing agents, Bases, Corrosive in contact with metals, Decomposes by reaction with alkaline solutions
  • Thermal Decomposition
    • Heating can release vapours which can be ignited: 108 °C
  • Chemical Stability
    • Stable under normal conditions.
  • Flammability
    • Not applicable

International Transportation

  • Chemical Class
    • 8
  • UN Number
    • 3264
  • Packing Group
    • II
  • Harmonized System Code
    • 2811196190
  • CAS Number : 6303-21-5
  • Molar Mass : 66.0 g/mol
  • Application : Brazing
  • Density : 1.210 to 1.260 g/cm3 20 °C
  • pH : 1.0 20 °C
  • Vapor Pressure : 30 hPa 20 °C
  • Solubility in Water : Completely miscible
  • Physical Form : Liquid
  • Odor : Odorless
  • Melting Point/Range : < -25 °C
  • Color : Colorless
  • Boiling Point/Range : 108 °C Decomposes on heating
  • Corrosivity : Corrosive to metals
  • Incompatible Materials : Oxidizing agents, Bases, Corrosive in contact with metals, Decomposes by reaction with alkaline solutions
  • Thermal Decomposition : Heating can release vapours which can be ignited: 108 °C
  • Chemical Stability : Stable under normal conditions.
  • Flammability : Not applicable
  • Chemical Class : 8
  • UN Number : 3264
  • Packing Group : II
  • Harmonized System Code : 2811196190
Brochure
Name
Description
File Size
Date
Size
FC Personal Care Brochure Final 6-22
application/pdf 153.37 KB
6/8/2022
153.37 KB
Name
Description
File Size
Date
Size
FC Personal Care Brochure Final 6-22
153.37 KB
6/8/2022
153.37 KB
Property
Value
assay
49.5 - 50.5 %
arsenic (As)
Max. 0.0002 %
copper (Cu)
Max. 0.0005 %
iron (Fe)
Max. 0.002 %
sodium (Na)
Max. 0.1 %
heavy metals (as Pb)
Max. 0.002 %
chloride (Cl)
Max. 0.02 %
sulfate (SO4)
Max. 0.05 %