/content/industrial/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.

Hydrofluoric Acid

Hydrofluoric Acid (17736)

50%, Puranal

Request Free Samples

General Information

  • CAS Number
    • 7664-39-3

Physical Properties

  • Odor
    • Stinging
  • Partition Coefficient
    • No data available
  • Boiling Point/Range
    • 105 °C (1,013 hPa)
  • Physical Form
    • Liquid
  • pH
    • Acidic
  • Melting Point/Range
    • -35 °C
  • Flashpoint
    • Not applicable
  • Color
    • Colorless
  • Vapor Pressure
    • 101 hPa (50 °C)

Safety Information

  • Self Ignition
    • Not auto-flammable
  • Corrosivity
    • Corrosive to metals
  • Chemical Stability
    • Stable under normal conditions.
  • Flammable Gas Formation
    • The substance or mixture does not emit flammable gases in contact with water.
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Flammability
    • Not applicable

International Transportation

  • UN Number
    • 1790
  • Chemical Class
    • 8
  • Sub Class 1
    • 6.1
  • Packing Group
    • II
  • Harmonized System Code
    • 28111100

General Information

  • CAS Number
    • 7664-39-3

Physical Properties

  • Odor
    • Stinging
  • Partition Coefficient
    • No data available
  • Boiling Point/Range
    • 105 °C (1,013 hPa)
  • Physical Form
    • Liquid
  • pH
    • Acidic
  • Melting Point/Range
    • -35 °C
  • Flashpoint
    • Not applicable
  • Color
    • Colorless
  • Vapor Pressure
    • 101 hPa (50 °C)

Safety Information

  • Self Ignition
    • Not auto-flammable
  • Corrosivity
    • Corrosive to metals
  • Chemical Stability
    • Stable under normal conditions.
  • Flammable Gas Formation
    • The substance or mixture does not emit flammable gases in contact with water.
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Flammability
    • Not applicable

International Transportation

  • UN Number
    • 1790
  • Chemical Class
    • 8
  • Sub Class 1
    • 6.1
  • Packing Group
    • II
  • Harmonized System Code
    • 28111100
  • CAS Number : 7664-39-3
  • Odor : Stinging
  • Partition Coefficient : No data available
  • Boiling Point/Range : 105 °C (1,013 hPa)
  • Physical Form : Liquid
  • pH : Acidic
  • Melting Point/Range : -35 °C
  • Flashpoint : Not applicable
  • Color : Colorless
  • Vapor Pressure : 101 hPa (50 °C)
  • Self Ignition : Not auto-flammable
  • Corrosivity : Corrosive to metals
  • Chemical Stability : Stable under normal conditions.
  • Flammable Gas Formation : The substance or mixture does not emit flammable gases in contact with water.
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Ignition Temperature : Not applicable
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Thermal Decomposition : No decomposition if used as directed.
  • Flammability : Not applicable
  • UN Number : 1790
  • Chemical Class : 8
  • Sub Class 1 : 6.1
  • Packing Group : II
  • Harmonized System Code : 28111100
Property
Value
assay
49.5 - 50.5 %
residue on ignition (SO4)
Max. 5 ppm
silver (Ag)
Max. 0.02 ppm
aluminium (Al)
Max. 0.05 ppm
arsenic (As)
Max. 0.05 ppm
gold (Au)
Max. 0.02 ppm
boron (B)
Max. 0.05 ppm
barium (Ba)
Max. 0.1 ppm
beryllium (Be)
Max. 0.01 ppm
bismuth (Bi)
Max. 0.02 ppm
calcium (Ca)
Max. 0.5 ppm
cadmium (Cd)
Max. 0.01 ppm
cobalt (Co)
Max. 0.01 ppm
chromium (Cr)
Max. 0.01 ppm
copper (Cu)
Max. 0.01 ppm
iron (Fe)
Max. 0.1 ppm
gallium (Ga)
Max. 0.02 ppm
indium (In)
Max. 0.02 ppm
potassium (K)
Max. 0.1 ppm
lithium (Li)
Max. 0.02 ppm
magnesium (Mg)
Max. 0.1 ppm
manganese (Mn)
Max. 0.01 ppm
molybdenum (Mo)
Max. 0.01 ppm
sodium (Na)
Max. 0.2 ppm
nickel (Ni)
Max. 0.01 ppm
lead (Pb)
Max. 0.02 ppm
platinum (Pt)
Max. 0.02 ppm
antimony (Sb)
Max. 0.01 ppm
tin (Sn)
Max. 0.02 ppm
strontium (Sr)
Max. 0.02 ppm
titanium (Ti)
Max. 0.1 ppm
thallium (Tl)
Max. 0.02 ppm
vanadium (V)
Max. 0.01 ppm
zinc (Zn)
Max. 0.05 ppm
zirconium (Zr)
Max. 0.01 ppm
chloride (Cl)
Max. 5 ppm
hexafluorosilic acid(H2SiF6)
Max. 50 ppm
nitrate (NO3)
Max. 3 ppm
phosphate (PO4)
Max. 0.5 ppm
sulfate (SO4)
Max. 1 ppm
sulfite (SO3)
Max. 2 ppm