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Acids & Bases

Hydrochloric acid 37% (07102)

extra pure, meets analytical specification of Ph. Eur., BP, NF, assay 36.5 - 38.0%

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Hydrochloric acid is a corrosive, strong mineral acid with many industrial uses. One of the most important applications of hydrochloric acid is in the pickling of steel, to remove rust or iron oxide scale from iron or steel before subsequent processing. Another major use of hydrochloric acid is in the production of organic compounds, such as vinyl chloride and dichloroethane for PVC. Other organic compounds produced with hydrochloric acid include bisphenol A for polycarbonate, activated carbon, and ascorbic acid, as well as numerous pharmaceutical products. Other inorganic compounds produced with hydrochloric acid include road application salt calcium chloride, nickel(II) chloride for electroplating, and zinc chloride for the galvanizing industry and battery production.

General Information

  • CAS Number
    • 7647-01-0
  • Application
    • Industrial
  • Molar Mass
    • 36.46 g/mol
  • UNSPSC Code
    • 12352301

Physical Properties

  • Physical Form
    • Crystalline powder
  • pH
    • > 0.1 20 °C
  • Density
    • 1.190 g/cm3 20 °C
  • Melting Point/Range
    • -35 °C
  • Color
    • Colorless
  • Odor
    • Stinging
  • Boiling Point/Range
    • 42 °C 1,013 hPa
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • 965 hPa 50 °C

Safety Information

  • Incompatible Materials
    • Amines, Ammonia, Incompatible with strong bases and oxidizing agents, Gives off hydrogen by reaction with metals
  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages.
  • Flammability
    • Not applicable
  • Corrosivity
    • Corrosive to metals
  • Chemical Stability
    • Stable under normal conditions.

International Transportation

  • UN Number
    • 1789
  • Harmonized System Code
    • 28061000
  • Chemical Class
    • 8
  • Packing Group
    • II

General Information

  • CAS Number
    • 7647-01-0
  • Application
    • Industrial
  • Molar Mass
    • 36.46 g/mol
  • UNSPSC Code
    • 12352301

Physical Properties

  • Physical Form
    • Crystalline powder
  • pH
    • > 0.1 20 °C
  • Density
    • 1.190 g/cm3 20 °C
  • Melting Point/Range
    • -35 °C
  • Color
    • Colorless
  • Odor
    • Stinging
  • Boiling Point/Range
    • 42 °C 1,013 hPa
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • 965 hPa 50 °C

Safety Information

  • Incompatible Materials
    • Amines, Ammonia, Incompatible with strong bases and oxidizing agents, Gives off hydrogen by reaction with metals
  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages.
  • Flammability
    • Not applicable
  • Corrosivity
    • Corrosive to metals
  • Chemical Stability
    • Stable under normal conditions.

International Transportation

  • UN Number
    • 1789
  • Harmonized System Code
    • 28061000
  • Chemical Class
    • 8
  • Packing Group
    • II
  • CAS Number : 7647-01-0
  • Application : Industrial
  • Molar Mass : 36.46 g/mol
  • UNSPSC Code : 12352301
  • Physical Form : Crystalline powder
  • pH : > 0.1 20 °C
  • Density : 1.190 g/cm3 20 °C
  • Melting Point/Range : -35 °C
  • Color : Colorless
  • Odor : Stinging
  • Boiling Point/Range : 42 °C 1,013 hPa
  • Solubility in Water : Completely miscible
  • Vapor Pressure : 965 hPa 50 °C
  • Incompatible Materials : Amines, Ammonia, Incompatible with strong bases and oxidizing agents, Gives off hydrogen by reaction with metals
  • Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
  • Flammability : Not applicable
  • Corrosivity : Corrosive to metals
  • Chemical Stability : Stable under normal conditions.
  • UN Number : 1789
  • Harmonized System Code : 28061000
  • Chemical Class : 8
  • Packing Group : II
Property
Value
assay
36.5 - 38.0 %
residue on ignition (SO4)
Max. 0.002 %
non-volatile matter
Max. 0.005 %
arsenic (As)
Max. 0.00005 %
iron (Fe)
Max. 0.0001 %
free chlorine (Cl)
Max. 1 ppm
sulfate (SO4)
Max. 2 ppm
sulfate (SO4)
complying
sulfite (SO3)
Max. 0.0005 %
sulfite (SO3)
complying
free bromine or chlorine
complying
bromide or iodide
complying
appearance of the substance
complying
appearance of the solution
complying
residual solvents
complying