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Spirambrene

2',2',3,7,7-Pentamethylspiro[bicyclo[4.1.0]heptane-2,5'-[1,3]dioxane]

Spirambrene

Spiro acetal · C₁₅H₂₆O₂

Chemical structure of Spirambrene
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
121251-67-0
Molecular formula
C₁₅H₂₆O₂
Molecular weight
238.37 g/mol
Origin
Synthetic
Odor family
Amber
Note
Base
Aroma
Dry, clean woody amber with an ambergris facet.

History

Spirambrene is a spiro acetal developed by Givaudan, part of the dry woody ambers that appeared around the same time as Karanal.

In perfumery

Spirambrene is used at low levels to add dryness and lift to amber accords.

Connections

Evokesambergris

Regulatory status

Unrestricted · No IFRA standard
IFRA 51
No dedicated IFRA Standard in the 51st Amendment index.
EU allergen 2023/1545
Not named individually in the expanded allergen list of Regulation 2023/1545.

Sources

  1. Wikidata Q76545652 (CAS 121251-67-0, formula; data mirrored from PubChem)
  2. The Good Scents Company Information System, material entries
  3. IFRA Standards, 51st Amendment: Index of IFRA Standards (notified 30 June 2023)