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

(+-)-Coumachlor

(+-)-Coumachlor is colorless, crystalline solid.

CAS 81-82-3 C19H15ClO4 342.8 g/mol Warning

01 · Identification

What (+-)-Coumachlor is

(+-)-Coumachlor is colorless, crystalline solid. Its molecular formula is C19H15ClO4 and its molecular weight is 342.8 g/mol. It melts at 170 °C.

Under the GHS it carries the signal word Warning.

CAS number81-82-3
EC number201-378-1
Index number607-057-00-6
Molecular formulaC19H15ClO4
Molecular weight342.8 g/mol

Other names for (+-)-Coumachlor

  • coumachlor (ISO)
  • 3-[1-(4-chlorophenyl)-3-oxobutyl]-4-hydroxycoumarin

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 wordWarning
Hazard statements assigned to (+-)-Coumachlor
CodeHazard statement
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>.
H412 Harmful to aquatic life with long lasting effects.

Precautionary statements: P260, P270, P273, P314, P501

03 · Physical and chemical properties

(+-)-Coumachlor 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 170 °C (338 °F) range, midpoint shown HSDB
Solubility Soluble in alcohol, acetone, chloroform. Slightly soluble in Benzene, ether HSDB
In water, 5 mg/l @ 20 °C. at 20 °C HSDB

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

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