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1-(5,5-Dimethylcyclohexen-1-yl)pent-4-en-1-one

HCID 92606
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
56973-85-4
Standard SMILES
C=CCCC(=O)C1=CCCC(C)(C)C1
InChIKey
OEVIJAZJVZDBQL-UHFFFAOYSA-N
Molecular formula
C13H20O
Average molar mass
192.3 g/mol
Monoisotopic mass
192.15141526

Overview

structure in first source

Names & identifiers

Preferred name
1-(5,5-Dimethylcyclohexen-1-yl)pent-4-en-1-one
IUPAC
1-(5,5-dimethylcyclohexen-1-yl)pent-4-en-1-one
English name
1-(5,5-Dimethyl-1-cyclohexen-1-yl)-4-penten-1-one
Molecular formula
C13H20O
Molecular weight
192.3

Names & synonyms

1-(5,5-dimethylcyclohexen-1-yl)pent-4-en-1-oneRefChem:4260681-(5,5-Dimethyl-1-cyclohexen-1-yl)-4-penten-1-one56973-85-4Galbascone1-(5,5-DIMETHYLCYCLOHEX-1-EN-1-YL)PENT-4-EN-1-ONEMFCD030929651-(5,5-Dimethyl-1-cyclohexen-1-yl)pent-4-en-1-one4-Penten-1-one, 1-(5,5-dimethyl-1-cyclohexen-1-yl)-EINECS 260-486-7galbanum ketoneSCHEMBL112059
Show more names
DynasconeDynascone 10galbascone (IFF)GALBANONE PURE(code:8759873)1-(5,5-DIMETHYL-1-CYCLOHEXEN-1-YL)-4-PEN1-(5,5-Dimethyl-cyclohex-1-enyl)-pent-4-en-1-one
CHEMBL3730612DTXSID7052230OEVIJAZJVZDBQL-UHFFFAOYSA-NAKOS006279435DS-020297D6426NS00012287H57753

Database identifiers

CAS
56973-85-4
PubChem CID
92606
DTXSID
DTXSID7052230
ChEMBL
CHEMBL3730612
EC Number
260-486-7
Nikkaji
J24.541K

Properties

Computed structural properties

XLogP
3.6
Topological polar surface area
17.1 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
4
Heavy atoms
14
Formal charge
0
Complexity
258

Experimental & physicochemical properties

FragrancesFragrance Ingredient (1-(5,5-Dimethyl-1-cyclohexen-1-yl)pent-4-en-1-one) -> IFRA transparency List
Physical DescriptionLiquid; CBI

Physicochemical properties

Boiling point
268.6 · 268.6±29.0 °C(Predicted)
Density
0.906 · 0.906±0.06 g/cm3(Predicted)
vapor pressure
1.34 Pa · 1.34Pa at 25℃
Odor
10 % · at 10.00 % in dipropylene glycol. fresh green galbanum earthy weedy pineapple narcissus
Odor Type
green
Water Solubility
56.2 mg/L · 56.2mg/L at 20℃
Cosmetics Ingredients Functions
PERFUMING
LogP
4.1 at · 4.1 at 25℃
EPA Substance Registry System
4 · 4-Penten-1-one, 1-(5,5-dimethyl-1-cyclohexen-1-yl)- (56973-85-4)
Symbol(GHS)

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

Warning

H317 (> 99.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]

P261, P272, P273, P280, P302+P352, P321, P333+P317, P362+P364, P391, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 1738 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 4 items

Chemical: 4-Penten-1-one, 1-(5,5-dimethyl-1-cyclohexen-1-yl)-

4-Penten-1-one, 1-(5,5-dimethyl-1-cyclohexen-1-yl)- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 4-Penten-1-one, 1-(5,5-dimethyl-1-cyclohexen-1-yl)- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

REACH registered substance: 1-(5,5-dimethyl-1-cyclohexen-1-yl)pent-4-en-1-one (EC: 260-486-7)

4-Penten-1-one, 1-(5,5-dimethyl-1-cyclohexen-1-yl)-: Does not have an individual approval but may be used under an appropriate group standard

Hazard Classes and CategoriesSkin Sens. 1 (> 99.9%)

Safety data

tsca
TSCA listed
Signal word
Warning
Symbol(GHS)
GHS07,GHS09
Hazard statements
H411-H317
REACH Registrations
Active
Precautionary statements
P261-P272-P280-P302+P352-P333+P313-P321-P363-P501

Chemistry & industry

Uses & manufacturing

U.S. Production2023: 100,000 - <250,000 lb
Consumer UsesFragrance
Industry UsesFragrance
IFRA Fragrance Standards · 6 items

1-(5,5-Dimethyl-1-cyclohexen-1-yl)pent-4-en-1-one

α-Dynascone; 4-Penten-1-one, 1-(5,5-dimethyl-1-cyclohexen-1-yl)-; Dynascone (commercial name); Galbanone (commercial name); Galbascone (commercial name); Neobutenone (commercial name); Neogal (commercial name); Neogalbenum (commercial name)

IFRA_STD_031.pdf

49

IFRA 51st Amendment - Guidance for the use of IFRA Standards

Restriction: This material should be used only in the limited quantity as stated in the Standard

Household ProductsInformation on 32 consumer products that contain Dimethylcyclohexenyl 3-Butenyl Ketone in the following categories is provided:
Use ClassificationFragrance Ingredients
General Manufacturing Information · 2 items

Soap, Cleaning Compound, and Toilet Preparation Manufacturing

4-Penten-1-one, 1-(5,5-dimethyl-1-cyclohexen-1-yl)-: ACTIVE

Restriction Limits in the Finished Product (%) · 6 items

0.19 [Products applied to the lips]

0.057 [Products applied to the axillae]

0.18 [Products applied to the face/body using fingertips]

1.1 [Products related to fine fragrances]

0.27 [Products applied to the body using the hands (palms), primarily leave-on (Body lotion)]

0.27 [Products applied to the face using the hands (palms), primarily leave-on (Face moisturizer)]

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Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
7 · GHS07,GHS09
Signal word
Warning
Hazard statements
411 · H411-H317
Precautionary statements
261 · P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
TSCA
TSCA listed
REACH Registrations
Active