Diphenadione

• 2 - ( diphenylacetyl ) indan- 1 ,3-dione
• Diphacin
• Diphenadion
• Ramik
• Dipaxin

• 82-66-6
• 42721-99-3 (sodium salt)

Light yellow solid

Fixed

1.281 g · cm -3

145-147 ° C ( decomposition)

Practically insoluble in water ( 0.3 mg · l-1 at 25 ° C)

Risk

1.5 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

Diphacinone is a chemical compound from the group of 1,3- indanedione derivatives.

Production and representation

Diphacinone may be obtained from dimethyl phthalate or phenylacetone.

1,3- indandione can be processed further by reaction with 1,1- diphenylacetone to diphacinone.

Properties

Diphacinone is a yellowish solid which is practically insoluble in water but soluble in many organic solvents. It decomposes when heated before boiling.

Use

Diphacinone is a coumarin derivative of the second generation and is used for controlling rats ( rodenticide ) or for therapeutic purposes as an anticoagulant ( to prevent thrombosis ).

In Switzerland, in Austria and in Germany no pesticide is approved, containing diphacinone as an active ingredient.