amyl cyclopentenone
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IUPAC name :2-pentylcyclopent-2-en-1-one
InChI :InChI=1/C10H16O/c1-2-3-4-6-9-7-5-8-10(9)11/h7H,2-6,8H2,1H3
InChIKey :ILHZVKAXFCDFMT-UHFFFAOYAE
SMILES :CCCCCC1=CCCC1=O
cas number :25564-22-1
(EINECS) number :247-104-4
beilstein number :1857975
molar refractivity :46.01 ± 0.3 cm3
parachor :390.0 ± 6.0 cm3
index of refraction :1.474 ± 0.02
surface tension :32.3 ± 3.0 dyne/cm
density :0.930 ± 0.06 g/cm3
polarizability :18.24 ± 0.5 10-24cm3
XlogP : 2.50
XlogP3-AA : 3.00
molecular weight : 152.2334400 (IUPAC)
formula :C10 H16 O
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
TCI AMERICA :2-Pentyl-2-cyclopenten-1-one
>95.0%(GC)

organoleptics :
odor type :floral
odor strength :medium
odor description :¹
at 100.00 %.  
woody isojasmone jasmin tuberose
odor sample from :Bedoukian Research, Inc.
substantivity :312  Hour(s)

properties :
appearence :pale yellow clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.91400 to 0.92500 @ 25.00 °C.
pounds per gallon - calc. : 7.605 to 7.697
refractive index :1.46500 to 1.48000 @ 20.00 °C.
boiling point : 65.00 °C. @ 2.00 mm Hg
flash point : 218.00  °F.  TCC  ( 103.33 °C. )
logP (o/w) : 2.66

safety :
most important hazard(s) :Xi - Irritant
  R 36/38 - Irritating to skin and eyes.
R 43 - May cause sensitisation by skin contact.
S 02 - Keep out of the reach of children.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/39 - Wear suitable clothing and eye/face protection.
Oral Toxicity(LD50) :
  Oral-Rat    2200.00  mg/kg
Food and Chemical Toxicology. Vol. 30, Pg. 7S, 1992.

Dermal Toxicity(LD50) :
  Skin-Rabbit  >5000.00  mg/kg
Food and Chemical Toxicology. Vol. 30, Pg. 7S, 1992.

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
 
IFRA critical Effect :Sensitization
IFRA fragrance material specification :
 Should not be used such that the level in the finished cosmetic product exceeds 0.1 %. Based on test results showing sensitisation at 10% and no sensitisation at 1 %. (IFRA guidelines).
limits in the finished product for - "leave on the skin contact" :
  0.1000 % Restriction.
limits in the finished product for - "wash off the skin contact" :
  0.1000 % Restriction.
limits in the finished product for - "no skin contact" :
  1.0000 % Restriction.
recommendation for amyl cyclopentenone usage levels up to :
 PROHIBITED : Should not be used as a fragrance ingredient.
recommendation for amyl cyclopentenone usage levels up to :
 not for flavor use.

safety references :
EPI System :view
IFRA :IFRA - ( Found under : Amyl cyclopentenone )
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
SCCNFP :opinion
 
WGK Germany :2
 
 
 
 2-pentylcyclopent-2-en-1-one
(EINECS) number :247-104-4
RTECS :GY7310000 for 25564-22-1
chemidplus :025564221
EPA Substance Registry Services :25564-22-1

references :
 2-pentylcyclopent-2-en-1-one
NIST Chemistry WebBook :1736287693
pubchem :694238

Cosmetics :
Cosmetic uses : perfuming agents

other :
reference : Luebke, William tgsc, (1989)¹
CosIng :cosmetic data
synonyms :
2-pentyl cyclopent-2-en-1-one
2-pentyl-2-cyclopenten-1-one
2-pentylcyclopent-2-en-1-one

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
alpha-amyl cinnamaldehyde diethyl acetal
alpha-amyl cinnamyl acetate
alpha-amyl cinnamyl alcohol
 benzyl acetone
 benzyl phenyl acetate
 benzyl propionate
 bergamot oil bergaptene free
4-tert-butyl cyclohexane carboxaldehyde
isobutyl furyl propionate
 dihydro-beta-ionol
 dihydroisojasmonate
3',4'-dimethoxyacetophenone
2',4'-dimethyl acetophenone
2,4-dimethyl cyclohexyl methyl acetate
 ethyl ortho-anisate
 freesia heptanol
 green methanoindene
 hexahydrofarnesyl acetone
(E)-2-hexen-1-yl salicylate
 ho wood oil
 honeysuckle absolute
 immortelle flower oil
(E)-beta-ionone
alpha-ionone
beta-ionone
alpha-irone
 jasmin absolute
 jasmin absolute concrete india
 jasmin absolute concrete italy
 jasmin absolute pommade
 jasmin acetate
 jasmin lactone
 jasmin pyranol
 jasmin sambac absolute egypt
para-jasmone
 linaloe wood oil mexico
laevo-linalool
 linalool oxide
(Z)-linalool oxide (furanoid)
 linalyl benzoate
 methyl beta-ionone
 methyl dihydrojasmonate
(E)-beta-methyl ionone
iso-alpha-methyl ionone
(E)-alpha-methyl ionone (50-60%)
 methyl ionone gamma supreme
2-methyl undecanal
 muhuhu wood oil
 myrcenyl acetate
 orris absolute
 patchouli ethanone
 peach nitrile
 penten-1-yl cyclopentanone
 petitgrain cedrat oil
1-phenyl propyl butyrate
isopulegyl formate
 sandal octanol
 spicy carbonate
 styralyl butyrate
 styralyl formate
 styralyl isobutyrate
 tropical ionone
 tuberolide
 tuberose acetate
 vetiver pentanone
 wallflower absolute
 woody amylene

(odor and/or flavor) used in :
 amber
 balsam
 floral
 jasmin
 jonquil narcissus jonquilla
 oriental
 spice
 tobacco tabac tabaco
 woody

natural occurrence in :
not found in nature



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