2,6-DIMETHYL-2,4,6-OCTATRIENE

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CAS:673-84-7
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Products Intro: Product Name:Alloocimene;AI300737;AI3-00737;AI3 00737
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Products Intro: Product Name:2,6-Dimethyl-2,4,6-Octatriene
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2,6-DIMETHYL-2,4,6-OCTATRIENE manufacturers

2,6-DIMETHYL-2,4,6-OCTATRIENE Basic information
Aroma
Product Name:2,6-DIMETHYL-2,4,6-OCTATRIENE
Synonyms:TRANS,TRANS-2,6-DIMETHYL-2,4,6-OCTATRIENE;2,6-dimethyl-2,4,6-octatriene,a-form;2,6-DiMethyl-2,4,6-octatriene (Mixture of isoMers);2,6-DiMethyl-2,4,6-octatriene technical grade, 80%;(4Z)-2,6-Dimethyl-2,4,6-octatriene;Neo-Allo-3,7-Dimethy;2,6-Dimethyl-2,4,6-octatriene,Alloocimene;Allocymene Allo-ocimene
CAS:673-84-7
MF:C10H16
MW:136.23
EINECS:211-614-5
Product Categories:Acyclic Monoterpenes;Biochemistry;Terpenes
Mol File:673-84-7.mol
2,6-DIMETHYL-2,4,6-OCTATRIENE Structure
2,6-DIMETHYL-2,4,6-OCTATRIENE Chemical Properties
Melting point -25.5°C
Boiling point 73-75 °C/14 mmHg (lit.)
density 0.811 g/mL at 25 °C (lit.)
refractive index n20/D 1.542(lit.)
Fp 156 °F
storage temp. 2-8°C
form liquid
Odorat 100.00 %. sweet floral nut skin peppery herbal tropical
Odor Typefloral
BRN 1719993
LogP4.392 (est)
CAS DataBase Reference673-84-7(CAS DataBase Reference)
EPA Substance Registry System2,4,6-Octatriene, 2,6-dimethyl- (673-84-7)
Safety Information
Hazard Codes Xn
Risk Statements 22
Safety Statements 23-24/25
RIDADR 1993
WGK Germany 3
RTECS RH2010000
10-23
HazardClass 3.2
PackingGroup III
MSDS Information
ProviderLanguage
SigmaAldrich English
2,6-DIMETHYL-2,4,6-OCTATRIENE Usage And Synthesis
AromaDiffusive, fresh-gassy, herbaceous odor. The gassy notes are more predominant in poorer grades of Allo-ocimene, almost imperceptible in good grade matl. Useful in low-cost fragrances for industrial purposes, and in general as a lifting topnote, modifier for Limonene, etc. cheaper than Ocimene.
Chemical PropertiesClear, almost colorless liquid. Polymerizes and oxidizes readily. Combustible.
UsesComponent of varnishes and a variety of polymers; fragrance.
DefinitionChEBI: (4E,6E)-2,6-dimethylocta-2,4,6-triene is an ocimene that consists of octa-2,4,6-triene bearing methyl substituents at positions 2 and 6 (the 4E,6E-isomer). It has a role as a semiochemical.
General Description2,6-Dimethyl-2,4,6-octatriene (allo-ocimene) is one of the major constituents of Fissistigma maclurei Merr. It was identified in Alphanso mangoes using GC-MS.
SynthesisOcimene is produced by the flash pyrolysis or photochemical isomerization of a-pinene.
Solubility in organicsColorless mobile liquid. Soluble in alcohol (when fresh and unpolymerized), poorly soluble when polymerized. Insoluble in water. Miscible with essential oils and perfume chemicals.
Purification MethodsFractionally distil allocimene through an efficient column and repeatedly distil it at 15mm through a long column of glass helices, with a final distillation from sodium under nitrogen. It should be stabilised with ca 0.1% of hydroquinone. UV: max nm( 1cm-1) 290 (32 500), 279 (41 900) and 278 (42,870). [Alder et al. Justus Liebigs Ann Chem 609 1 1957, O’Connor & Goldblatt Anal Chem 26 1726 1954, Beilstein 1 IV 1106.]
2,6-DIMETHYL-2,4,6-OCTATRIENE Preparation Products And Raw materials
Raw materials1,5,5,6-tetramethylcyclohexa-1,3-diene-->NEO-ALLOOCIMENE, STAB.-->(1S)-(-)-alpha-Pinene-->(+)-Dipentene-->(1R)-(+)-ALPHA-PINENE-->DL-Limonene
Tag:2,6-DIMETHYL-2,4,6-OCTATRIENE(673-84-7) Related Product Information
N,N-Dimethylacetamide Trichloroisocyanuric acid 2,6-Lutidine DIMETHYLMERCURY POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED Dimethyl sulfone N,N-Dimethylaniline 2,6-DIMETHYLOCTANE 2,6-DIMETHYLNAPHTHALENE 3,7-DIMETHYL-1,3,6-OCTATRIENE 2,6-DIMETHYL-2,4,6-OCTATRIENE

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