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Heptaldehyde


Production:

 

Heptaldehyde & Heptanoic acid are produced by the pyrolysis of castor oil. Heptaldehyde & Heptanoic acid are produced by the pyrolysis of castor oil.

Castor Oil is pyrolyzed in the presence of 0.5% benzoyl peroxide. The operating parameters are optimized to obtain high yields of heptaldehyde and undecylenic acid.

Ricinoleic Acid ->(pyrolysis) ->Heptaldehyde CH3(CH2)5CHO+ Undecylenic acid CH2=CH (CH2)8COOH


Specifications:

Synonyms: Enanthal, enanthaldehyde, enanthole, heptyl aldehyde, enanthic aldehyde, n-heptaldehyde, heptanal, n-heptanal

 CAS Number

111-71-7

Molecular Formula

C7H14O

Appearance

Colourless Liquid

Melting Point

-43oC

Boiling Point

40 – 42oC

Density (g cm-3)

0.818

Flash Point

35oC

Explosion Limits

1.1 – 5.2%

Water Solubility

Slight

 Applications:

·         Chemical intermediates for perfumes and flavours

·         Used in perfumery in the form of compounds jasmine aldehyde (alpha amyl cinnemic aldehyde) and coconut aldehyde

·         Also used in the manufacture of heptyl alcohol, heptonoic acid etc., which have subsequent usage in various industries

·         Used in rubber industry in the preparation of vulcanization accelerators

·         Used as solvent in rubber & plastics industries

·         Also used for emulsifiers & plasticizers

·         Heptaldehyde & undecylenic acid are used to make key aroma chemicals used in perfumes. An important aroma chemical is undecylenic aldehyde, reportedly even used in Chanel perfumes.