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Perfluorooctanesulfonic acid
Weight500.126 g/mol
FormulaC8HF17O3S
Hydrogen Acceptors2
Hydrogen Donors1
Aromatic Rings0
Rotatable Bonds7

Perfluorooctanesulfonic acid (1763-23-1)

perfluorooctane sulfonate  ·  perfluorooctane sulphonic acid  ·  Perfluorooctanesulfonate

Score: #24 in Environmental science , #117 in Biology , #120 in Chemistry
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Safety

  • H301: Toxic if swallowed
    Danger Acute toxicity, oral - Category 3
  • H302: Harmful if swallowed
    Warning Acute toxicity, oral - Category 4
  • H332: Harmful if inhaled
    Warning Acute toxicity, inhalation - Category 4
  • H351: Suspected of causing cancer
    Warning Carcinogenicity - Category 2
  • H360: May damage fertility or the unborn child
    Danger Reproductive toxicity - Category 1A, 1B
  • H362: May cause harm to breast-fed children
    Reproductive toxicity, effects on or via lactation - Additional category
  • H372: Causes damage to organs through prolonged or repeated exposure
    Danger Specific target organ toxicity, repeated exposure - Category 1
  • H411: Toxic to aquatic life with long lasting effects
    Hazardous to the aquatic environment, long-term hazard - Category 2

Trends

Alternate Names

  • perfluorooctane sulfonate
  • perfluorooctane sulphonic acid
  • Perfluorooctanesulfonate
  • perfluorooctanyl sulfonate
  • PFOS compound
  • heptadecafluorooctane sulfonic acid
  • PFOSA
  • heptadecafluoro-1-octane sulfonic acid
  • perfluorooctane sulfonic acid
  • SMILES
    C(C(C(C(C(F)(F)S(=O)(=O)O)(F)F)(F)F)(F)F)(C(C(C(F)(F)F)(F)F)(F)F)(F)F
  • InChIKey
    YFSUTJLHUFNCNZ-UHFFFAOYSA-N

Estimated Properties

Boiling Point 261.2 C EPA T.E.S.T.
Density 1.89 g/cm3 EPA T.E.S.T.
Flash Point 85.88 C EPA T.E.S.T.
Water Solubility 2.36 mg/L EPA T.E.S.T.

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