3,5-辛二烯-2-酮

Description

trans,trans-3,5-Octadien-2-one · CAS 38284-27-4 · C8H12O. Boiling Point: 220 °C; Density: 0.880-0.890; Refractive Index: 1.508-1.516.

Identification

CAS Registry Number	38284-27-4
PubChem CID	5352876
Molecular formula	C8H12O
IUPAC name	(3E,5E)-octa-3,5-dien-2-one
JECFA number	1139

Computed Descriptors

Molecular Weight	124.18
XLogP3	1.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	3
Exact Mass	124.088815002
Monoisotopic Mass	124.088815002
Topological Polar Surface Area	17.1
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Boiling Point	220 °C
Density	0.880-0.890
Refractive Index	1.508-1.516

Physical description & handling notes

• Colourless to pale yellow liquid; pungent herbaceous odour
• insoluble in water; soluble in fats
• Miscible at room temperature (in ethanol)

Regulatory Status

Regulatory & Food Contact	FLAVOURING_AGENT: Flavouring Agent Flavoring Agents No safety concern at current levels of intake when used as a flavouring agent TRS 913-JECFA 59/102 FAS 50-JECFA 59/371

Documented Uses

• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index

Synonyms

(E,E)-3,5-octadien-2-one; (3E,5E)-octa-3,5-dien-2-one; trans,trans-3,5-Octadien-2-one; DTXSID701016433; RefChem:406416; DTXCID70909814; (E,E)-3,5-OCTADIEN-2-ONE [FHFI]; 3,5-Octadien-2-one; 38284-27-4; 3,5-Octadien-2-one, (E,E)-; trans, trans-3,5-Octadien-2-one; 3E,5E-Octadien-2-one; 3,5-(E,E)-Octadien-2-one; trans-3,trans-5-Octadien-2-one; (E,E)-Octa-3,5-dien-2-one; Octa-3(E),5(E)-dien-2-one

Frequently Asked Questions

What are the CAS number and molecular formula of trans,trans-3,5-Octadien-2-one?

CAS 38284-27-4; molecular formula C8H12O; molecular weight — g/mol.

What other names is trans,trans-3,5-Octadien-2-one known by?

(E,E)-3,5-octadien-2-one, (3E,5E)-octa-3,5-dien-2-one, trans,trans-3,5-Octadien-2-one, DTXSID701016433, RefChem:406416, DTXCID70909814.

What is the regulatory status of trans,trans-3,5-Octadien-2-one?

Documented regulatory listings: FLAVOURING_AGENT: Flavouring Agent; Flavoring Agents; No safety concern at current levels of intake when used as a flavouring agent.

What are the key physical properties of trans,trans-3,5-Octadien-2-one?

Boiling Point: 220 °C; Density: 0.880-0.890; Refractive Index: 1.508-1.516.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.