PF
← Ingredient library
← prevnext →

2,4-Hexadien-1-ol

PROHIBITION
CAS
111-28-4
EC
Material type
other
Canonical source
document derived
chemicals · No. 1577

Arctander monograph

Perfume and Flavor Chemicals, page 651.

TOP
floralgreensweetoilygrassy
MW
BP
177°C
MP
31°C
Sp.Gr.
Refractive n
Rotation
Appearance

Colorless or white needle-like crystals.

Solubility

Almost insoluble in water, soluble in alcohol and oils.

Odor

Sweet-oily, green odor, somewhat grassy-weedy, but quite refreshing and moderately tenacious. The alcohol oxidizes very easily in air and this process affects the odor considerably to the disadvantage of the pleasantness of this alcohol.

Uses in perfumery

This conjugated diene alcohol is occasionally used in perfume compositions as part of a “green note”’, mostly for top note effects in Muguet or Lily, but also in various non-floral types.

Production

1) by Ponndorf reduction (with Aluminum iso-propoxide in iso-Propanol solution) of the corresponding aldehyde, Hexadienal. 2) the alcohol can also be obtained by reduction of the Ethyl ester of the acid, Sorbic acid, which is prepared from Croton aldehyde by MaIonic acid condensation.

Document-derived

IFRA restrictions

CategoryKindMax %NotesSource
Category 1ProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 2ProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 3ProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 4ProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 5AProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 5BProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 5CProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 5DProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 6ProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 7AProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 7BProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 8ProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 9ProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 10AProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 10BProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 11AProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 11BProhibitedNot permittedPROHIBITION per IFRA Standard
DOC
Category 12ProhibitedNot permittedPROHIBITION per IFRA Standard
DOC

Compliance-support only. Values resolved from the current IFRA corpus; each row cites the document excerpt it came from. Not a substitute for a qualified safety assessor.

Identity
Aliases · 8
17102-64-62,4-Hexadien-1-ol1-Hydroxy-2,4-hexadieneHexa-2,4-dien-1-olHexadienolHexadienol (commercial name)Sorbic alcoholSorbyl alcohol
Compliance note. Restriction data is sourced directly from IFRA publications and preserved with its document excerpt. Perfume Foundry is a compliance-support tool — not a substitute for a qualified safety assessor (CPSR / PIF).