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

Dicoumarol

Dicoumarol is a white or creamy white, crystalline powder with a slight, pleasant odor.

CAS 66-76-2 C19H12O6 336.3 g/mol Danger

01 · Identification

What Dicoumarol is

Dicoumarol is a white or creamy white, crystalline powder with a slight, pleasant odor. Its molecular formula is C19H12O6 and its molecular weight is 336.3 g/mol. It melts at 290 °C.

Under the GHS it carries the signal word Danger.

CAS number66-76-2
EC number200-632-9
Index number607-060-00-2
Molecular formulaC19H12O6
Molecular weight336.3 g/mol

Other names for Dicoumarol

  • 4,4'-dihydroxy-3,3'-methylenebis(2H-chromen-2-one)

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 Dicoumarol
CodeHazard statement
H302 Harmful 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>.
H411 Toxic to aquatic life with long lasting effects.

Precautionary statements: P260, P270, P273, P301, P312, P314, P330, P391, P501

03 · Physical and chemical properties

Dicoumarol 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 290 °C (554 °F) range, midpoint shown HSDB
290 °C (554 °F) HMDB
Solubility Practically insol in water, alc, ether. HSDB
INSOL IN ACETONE HSDB
Sol in aq alkaline solns, in pyridine and similar org bases. Slightly sol in benzene and chloroform. HSDB

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

04 · Handling and storage

Storing and handling Dicoumarol

Storage conditions

Dicumarol should be stored in well-closed containers at a temperature below 40 degrees C (104 °F), preferably 15 to 30 °C (59 to 86 °F), and kept away from direct sunlight. The manufacturer recommends storage below 25 °C (77 °F).

Source: Hazardous Substances Data Bank (HSDB)

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

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