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

Ketoconazole

Ketoconazole is crystals from 4-methylpentanone.

CAS 65277-42-1 C26H28Cl2N4O4 531.4 g/mol Danger

01 · Identification

What Ketoconazole is

Ketoconazole is crystals from 4-methylpentanone. Its molecular formula is C26H28Cl2N4O4 and its molecular weight is 531.4 g/mol. It melts at 146 °C.

Under the GHS it carries the signal word Danger.

CAS number65277-42-1
EC number265-667-4
Index number613-283-00-6
Molecular formulaC26H28Cl2N4O4
Molecular weight531.4 g/mol

Other names for Ketoconazole

  • 1-[4-[4-[[(2SR,4RS)-2-(2,4-dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazin-1-yl]ethanone

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 Ketoconazole
CodeHazard statement
H360F May damage fertility.
H301 Toxic if swallowed.
H373 May cause 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>.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P260, P270, P273, P301, P310, P314, P330, P391, P501

03 · Physical and chemical properties

Ketoconazole 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
Melting point 146 °C (294.8 °F) HSDB
150 °C (302 °F) range, midpoint shown ICSC
Solubility Solubility in water: none ICSC
0.0866 mg/L HMDB
Vapor pressure Vapor pressure, Pa at 25 °C: (negligible) at 25 °C ICSC

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

04 · Handling and storage

Storing and handling Ketoconazole

Storage conditions

Store at controlled room temperature 15 deg - 25 °C (59 deg - 77 °F). Protect from moisture.

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 Ketoconazole in the storage compatibility matrix →

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