rhubarb pyran
organoleptics  properties  safety  references  cosmetics    Home Page
Notes :
Blends well with quinolines.
 
Right Click Picture For More Options. (Safari 1.2 (v125) Compatible).
 
IUPAC name :(9Z)-9-ethylidene-3-oxatricyclo[6.2.1.02,7]undecane
InChI :InChI=1/C12H18O/c1-2-8-6-9-7-11(8)10-4-3-5-13-12(9)10/h2,9-12H,3-7H2,1H3/b8-2-
InChIKey :UBALJTRHSDXCPY-WAPJZHGLBM
SMILES :C\C=C/1\CC2CC1C3C2OCCC3
cas number :93939-86-7
(EINECS) number :300-376-9
molar refractivity :54.70 ± 0.3 cm3
parachor :418.2 ± 6.0 cm3
index of refraction :1.575 ± 0.02
surface tension :40.8 ± 3.0 dyne/cm
density :1.077 ± 0.06 g/cm3
polarizability :21.68 ± 0.5 10-24cm3
XlogP : 2.20
molecular weight : 178.2707200
formula :C12 H18 O
 
 
export tariff code :unspecified
fda reg :unspecified

organoleptics :
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :¹
at 100.00 %.  
floral fruity rhubarb costus woody rooty
odor sample from :Firmenich & Company Inc.
substantivity :48  Hour(s)

properties :
appearence :colorless to pale yellow clear liquid
assay : 96.00 to 100.00 %   
Food Chemicals Codex Listed :No
boiling point : 257.00 to 259.00 °C. @ 760.00 mm Hg
vapor pressure :0.01000 mm/Hg @ 20.00 °C.
vapor density :6.2 ( Air = 1 )
flash point :> 200.00  °F.  TCC  ( > 93.33 °C. )
logP (o/w) : 3.04

safety :
Oral Toxicity(LD50) :
  Oral-Rat    >5000.00  mg/kg

Dermal Toxicity(LD50) :
  Skin-Rabbit  >5000.00  mg/kg

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
 
recommendation for rhubarb pyran usage levels up to :
  5.0000 % in the fragrance concentrate.
recommendation for rhubarb pyran usage levels up to :
 not for flavor use.

safety references :
EPI System :view
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
 
 
 (9Z)-9-ethylidene-3-oxatricyclo[6.2.1.02,7]undecane
(EINECS) number :300-376-9
chemidplus :093939867
EPA Substance Registry Services :93939-86-7

references :
 (9Z)-9-ethylidene-3-oxatricyclo[6.2.1.02,7]undecane
pubchem :741086

Cosmetics :
Cosmetic uses : perfuming agents

other :
reference : Luebke, William tgsc, (1985)¹
CosIng :cosmetic data
synonyms :
6-ethylidene octahydro-5,8-methano-2H-benzo-1-pyran
9-ethylidene-3-oxatrcyclo(6.2.1.0)undecane
(9Z)-9-ethylidene-3-oxatricyclo[6.2.1.02,7]undecane
 rhubaflor
 rhuboflor

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
 acetal 318
1-allyl-2,2,7,7-tetramethyl cycloheptanol
isoamyl 3-(2-furan) propionate
 amyl angelate
isoamyl angelate
alpha-amyl cinnamaldehyde
 benzyl acetate
 benzyl acetoacetate
 benzyl cinnamate
 benzyl formate
 benzylidene acetone
 buchu leaf oil
 butyl undecylenate
 cassis pentanone
 chamomile valerate
 clary propyl acetate
 cyclamen aldehyde
2,4-difurfuryl furan
 dimethyl benzyl carbinol
 dimethyl benzyl carbinyl acetate
(E+Z)-4,8-dimethyl-3,7-nonadien-2-one
 elecampane root absolute
 elecampane root oil
2-ethyl fenchol
 ethyl levulinate
 galbanum oil
 geraniol
2-heptanol
 hexoxyacetaldehyde dimethyl acetal
2-hexyl-4-acetoxytetrahydrofuran
 leerall
 longiborneol
 melilot absolute
 melilot oleoresin
 menthadienyl formate
3-mercaptohexyl acetate
ortho-methoxybenzyl ethyl ether
 methoxymelonal
 methyl benzyl acetate (mixed ortho-,meta-,para-)
 methyl cyclogeranate
4-methyl-2,6-dimethoxyphenol
 octyl phenyl acetate
 petitgrain lemon oil
 phenethyl isobutyrate
 phenethyl isovalerate
 radish isothiocyanate
 rhubarb furan
 rhubarb oxirane
 rhubarb undecane
 star fruit oil cuba
 tetrahydromyrcenyl acetate
 tobacco leaf absolute
 tropical thiazole
 valerian root oil
 valerian root oil china
 valerian root oil CO2 extract china
 vetiver oil
 vetiver resinoid
 vetiverol
 vetiveryl acetate
 vinyl sulfurol
2,6-xylenol

(odor and/or flavor) used in :
 carrot seed
 fruit
 green
 hay new mown hay foin coupe
 herbal
 lavender
 moss
 orange blossom fleur d'oranger
 orris iris
 root
 rose
 woody

natural occurrence in :
not found in nature



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