Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

Perfluoroheptanoic acid

Perfluoroheptanoic acid is a beige crystalline solid.

CAS 375-85-9 C7HF13O2 364.06 g/mol Danger

01 · Identification

What Perfluoroheptanoic acid is

Perfluoroheptanoic acid is a beige crystalline solid. Its molecular formula is C7HF13O2 and its molecular weight is 364.06 g/mol. It boils at 175 °C, melts at 30 °C.

Under the GHS it carries the signal word Danger.

CAS number375-85-9
EC number206-798-9
Index number607-761-00-3
Molecular formulaC7HF13O2
Molecular weight364.06 g/mol

Other names for Perfluoroheptanoic acid

  • tridecafluoroheptanoic acid

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordDanger
Hazard statements assigned to Perfluoroheptanoic acid
CodeHazard statement
H360D May damage the unborn child.
H372 Causes damage to organs <or state all organs affected, if known> through prolonged or repeated exposure <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.

Precautionary statements: P260, P270, P314

03 · Physical and chemical properties

Perfluoroheptanoic acid properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Boiling point 175 °C (347 °F) HSDB
Melting point 30 °C (86 °F) HSDB
Density 1.792 g/cm³ at 20 °C HSDB
Vapor pressure 0.133 mmHg at 25 °C HSDB
1.18 ± 0.01 [log Psd at 298.15 K (Pa)] Suuberg Lab, School of Engineering, Brown University
Flash point 113 °C (235.4 °F) above this value HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling Perfluoroheptanoic acid

Storage conditions

Keep container tightly closed in a dry and well-ventilated place.

Source: Hazardous Substances Data Bank (HSDB)

Incompatible materials

Incompatible materials: Strong oxidizing agents

Source: Hazardous Substances Data Bank (HSDB)

Planning storage for a mix of chemicals? Check Perfluoroheptanoic acid in the storage compatibility matrix →

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