HomeMCPWorkbenchSkills
HomeWorkbenchNotificationsMe
llms.txt · MCP GuidePrivacy Policy · Terms of Service · Supportv1.8.0
  1. Home
  2. /Compound

alpha-Guaiene

HCID 5317844
New noteNew reactionRequest quotes
Print preview
Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Substructure searchFind similar structures

Basic information

CAS
3691-12-1
Standard SMILES
C=C(C)[C@@H]1CC[C@H](C)C2=C(C1)[C@@H](C)CC2
InChIKey
ADIDQIZBYUABQK-RWMBFGLXSA-N
Molecular formula
C15H24
Average molar mass
204.35 g/mol
Monoisotopic mass
204.18780077

Overview

Alpha-guaiene is a carbobicyclic compound and sesquiterpene that is 1,2,3,4,5,6,7,8-octahydroazulene which is substituted by methyl groups at positions 1 and 4 and by a (prop-1-en-2-yl group at position 7 (the 1S,4S,7R enantiomer). It has a role as a volatile oil component and a plant metabolite. It is a sesquiterpene and a carbobicyclic compound.

Names & identifiers

Preferred name
alpha-Guaiene
IUPAC
(1S,4S,7R)-1,4-dimethyl-7-prop-1-en-2-yl-1,2,3,4,5,6,7,8-octahydroazulene
English name
α-guaiene,guaia-1(5),11-diene,[1S-(1a,4a,7a)]-1,2,3,4,5,6,7,8-octahydro-1,4-dimethyl-7-(1-methylethenyl)-azulene
Molecular formula
C15H24
Molecular weight
204.35

Names & synonyms

alpha-Guaiene3691-12-1Guaia-1(5),11-diene(1S,4S,7R)-1,4-dimethyl-7-(prop-1-en-2-yl)-1,2,3,4,5,6,7,8-octahydroazuleneDTXSID5052046CHEBI:63443ABQ2CB7VACRefChem:27270DTXCID0030613(1S,4S,7R)-1,4-dimethyl-7-prop-1-en-2-yl-1,2,3,4,5,6,7,8-octahydroazuleneAzulene, 1,2,3,4,5,6,7,8-octahydro-1,4-dimethyl-7-(1-methylethenyl)-, [1S-(1.alpha.,4.alpha.,7.alpha.)]-alpha-quaiene
Show more names
α-Guaieneα-Guajenea-Guaienealfa-Guaieneα-Guaiene (>α-Guaiene (>85%)a-Guaiene (>85%)1,4-dimethyl-7-prop-1-en-2-yl-1,2,3,4,5,6,7,8-octahydroazulene(1S)-1,2,3,4,5,6,7,8-Octahydro-1,4β-dimethyl-7β-isopropenylazulene
orb2299261SCHEMBL196903477-Isopropenyl-1,4-dimethyl-1,2,3,4,5,6,7,8-octahydroazulene-, [1S-(1.alpha.,4.alpha.,7.alpha.)]-MFCD29767842TN7512HY-W587956C20161H53916

Properties

Computed structural properties

XLogP
4.6
Topological polar surface area
0 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
0
Rotatable bonds
1
Heavy atoms
15
Formal charge
0
Complexity
295

Experimental & physicochemical properties

FragrancesFragrance Ingredient (alpha-Guaiene) -> IFRA transparency List

Physicochemical properties

Boiling point
78 · 78-79 °C(Press: 2.5 Torr)
Density
0.8999 g/cm3 · 0.8999 g/cm3
storage temp.
Refrigerator, under inert atmosphere
solubility
Chloroform (Slightly), Dioxane (Sparingly, Sonicated), Methanol (Slightly)
form
Oil
color
Colourless to Pale Yellow
Odor
100 % · at 100.00 %. sweet woody balsam peppery
Odor Type
woody
Stability
Light sensitive
LogP
6.602 · 6.602 (est)
EWG's Food Scores
1 · 1
FDA UNII
2 CB7VAC · ABQ2CB7VAC
EPA Substance Registry System

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H304 (100%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]

P264, P264+P265, P280, P301+P316, P302+P352, P305+P351+P338, P321, P331, P332+P317, P337+P317, P362+P364, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 164 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Chemical: Azulene, 1,2,3,4,5,6,7,8-octahydro-1,4-dimethyl-7-(1-methylethenyl)-, [1S-(1.alpha.,4.alpha.,7.alpha.)]-

Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)

Hazard Classes and CategoriesAsp. Tox. 1 (100%)

Safety data

tsca
TSCA listed
Signal word
Danger
Symbol(GHS)
GHS07,GHS08
Hazard statements
H319-H304-H315
Precautionary statements
P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P

Chemistry & industry

Uses & manufacturing

Household ProductsInformation on 3 consumer products that contain alpha-Guaiene in the following categories is provided:
Use ClassificationFragrance Ingredients
General Manufacturing InformationAzulene, 1,2,3,4,5,6,7,8-octahydro-1,4-dimethyl-7-(1-methylethenyl)-, (1S,4S,7R)-: ACTIVE

Applications

Usesα-Guaiene is a sesquiterpene and an essential oil component, shown to have antimicrobial activity.

Additional notes

DefinitionChEBI: A carbobicyclic compound and sesquiterpene that is 1,2,3,4,5,6,7,8-octahydroazulene which is substituted by methyl groups at positions 1 and 4 and by a (prop-1-en-2-yl group at position 7 (the 1S,4S,7R ena tiomer).

Related reactions

2 records
New reaction record
HRID 1280317 reaction equation
HRID 1280317As reactantuspto-grants-2002_09
HRID 1386896 reaction equation
HRID 1386896As reactantuspto-grants-2001_07

Compound notes

Loading…

On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
New noteNew reactionRequest quotes

Database identifiers

CAS
3691-12-1
PubChem CID
5317844
DTXSID
DTXSID5052046
ChEBI
CHEBI:63443
EC Number
641-402-1
Nikkaji
J14.588B
1 · Azulene, 1,2,3,4,5,6,7,8-octahydro-1,4-dimethyl-7-(1-methylethenyl)-, (1S,4S,7R)- (3691-12-1)
Symbol(GHS)
7 · GHS07,GHS08
Signal word
Danger
Hazard statements
319 · H319-H304-H315
Precautionary statements
264 · P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
TSCA
TSCA listed