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

Chlorophacinone

Chlorophacinone is pale yellow crystals and is odorless.

CAS 3691-35-8 C23H15ClO3 374.8 g/mol Danger

01 · Identification

What Chlorophacinone is

Chlorophacinone is pale yellow crystals and is odorless. Its molecular formula is C23H15ClO3 and its molecular weight is 374.8 g/mol. It boils at 250 °C, melts at 140 °C.

Under the GHS it carries the signal word Danger.

CAS number3691-35-8
EC number223-003-0
Index number606-014-00-9
Molecular formulaC23H15ClO3
Molecular weight374.8 g/mol

Other names for Chlorophacinone

  • chlorophacinone (ISO)
  • 2-[(4-chlorophenyl)(phenyl)acetyl]-1H-indene-1,3(2H)-dione

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 Chlorophacinone
CodeHazard statement
H360D May damage the unborn child.
H330 Fatal if inhaled.
H310 Fatal in contact with skin.
H300 Fatal if swallowed.
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>.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P260, P270, P271, P273, P280, P301, P302, P304, P310, P314, P330, P352, P391, P501

03 · Physical and chemical properties

Chlorophacinone 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 250 °C (482 °F) decomposes ICSC
Melting point 140 °C (284 °F) HSDB
143 °C (289.4 °F) ICSC
Density 1.43 g/cm³ ICSC
0.38 g/cm³ at 20 °C HSDB
Solubility Readily soluble in methanol, ethanol, acetone, acetic acid, ethyl acetate, benzene, oil; slightly soluble in aqueous alkalis with the formation of salts HSDB
In water, 100 mg/L at 20 °C at 20 °C HSDB
In water at 20 °C (OECD 105 method): 13 mg/L (distilled water), 1 mg/L (pH 4), 344 mg/L (pH 7), 459 mg/L (pH 9) at 20 °C HSDB
Vapor pressure 0.7501 mmHg at 25 °C HSDB
Vapor pressure, Pa at 20 °C: (negligible) at 20 °C ICSC
Corrosivity Noncorrosive HSDB

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

04 · Handling and storage

Storing and handling Chlorophacinone

Storage conditions

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

Source: Hazardous Substances Data Bank (HSDB)

Reactivity

Fire may produce irritating or poisonous gases.

Source: CAMEO Chemicals

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

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