prenyl isobutyrate
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IUPAC name :3-methylbut-2-enyl 2-methylpropanoate
InChI :InChI=1/C9H16O2/c1-7(2)5-6-11-9(10)8(3)4/h5,8H,6H2,1-4H3
InChIKey :YSJHMPXIMIOXGU-UHFFFAOYAM
SMILES :CC(C)C(=O)OCC=C(C)C
cas number :76649-23-5
(EINECS) number :278-516-2
fema number :4206
jecfa number :1828
fl. number :09.695
molar refractivity :45.37 ± 0.3 cm3
parachor :395.7 ± 4.0 cm3
index of refraction :1.433 ± 0.02
surface tension :26.5 ± 3.0 dyne/cm
density :0.895 ± 0.06 g/cm3
polarizability :17.98 ± 0.5 10-24cm3
XlogP : 2.00
molecular weight : 156.2221400
formula :C9 H16 O2
NMR Predictor :Predict
 
 
export tariff code :2915.60.0000
fda reg :unspecified

Suppliers :
Bedoukian Research :PRENYL ISOBUTYRATE
≥99.0%, Kosher
Odor:  pleasant fruity, berry-like
Grau Aromatics :VERTENOL-iso-BUTYRATE (PRENYL-iso-BUTYRATE)
NI, Kosher
Penta :prenyl isobutyrate

organoleptics :
odor type :fruity
odor strength :medium
odor description :
at 100.00 %.  
fruity butter

properties :
appearence :colorless clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.88700 to 0.89600 @ 25.00 °C.
pounds per gallon - calc. : 7.381 to 7.456
refractive index :1.42700 to 1.43700 @ 20.00 °C.
boiling point : 77.00 to 78.00 °C. @ 15.00 mm Hg
boiling point : 189.00 to 190.00 °C. @ 760.00 mm Hg
flash point : 145.00  °F.  TCC  ( 62.78 °C. )
logP (o/w) : 2.95

safety :
most important hazard(s) :Xi - Irritant
  R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 37/39 - Wear suitable gloves and eye/face protection.
Oral Toxicity(LD50) :
  Not determined
Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.012 (μg/capita/day)
 
recommendation for prenyl isobutyrate usage levels up to :
  8.0000 % in the fragrance concentrate.
 
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA on the "LIBRARY" link.
publication number : 22
 average usual ppmaverage maximum ppm
baked goods : 10.00000100.00000
beverages(nonalcoholic) : 0.300003.00000
beverages(alcoholic) : 1.5000015.00000
breakfast cereal : 0.300001.50000
cheese : --
chewing gum : 15.00000100.00000
condiments / relishes : --
confectionery froastings : 1.5000010.00000
egg products : 1.5000010.00000
fats / oils : 1.5000010.00000
fish products : --
frozen dairy : 6.0000060.00000
fruit ices : 3.0000030.00000
gelatins / puddings : 3.0000030.00000
granulated sugar : --
gravies : --
hard candy : 5.0000050.00000
imitation dairy : --
instant coffee / tea : 0.600006.00000
jams / jellies : 3.0000030.00000
meat products : --
milk products : 0.6000060.00000
nut products : --
other grains : --
poultry : --
processed fruits : --
processed vegetables : --
reconstituted vegetables : --
seasonings / flavors : 1.5000015.00000
snack foods : --
soft candy : 3.0000030.00000
soups : --
sugar substitutes : --
sweet sauces : --

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :2
 
 
 
 3-methylbut-2-enyl 2-methylpropanoate
(EINECS) number :278-516-2
chemidplus :076649235
EPA Substance Registry Services :76649-23-5

references :
 3-methylbut-2-enyl 2-methylpropanoate
fl. number :09.695
jecfa number :1828
pubchem :750883

other :
VCF-Online: VCF Volatile Compounds in Food
synonyms :
3-methyl but-2-enyl isobutyrate
2-methyl propanoic acid 3-methyl-2-butenyl ester
3-methyl-2-butenyl isobutyrate
3-methylbut-2-enyl 2-methylpropanoate
 vertenol isobutyrate

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
 acetyl isobutyryl
 cinnamyl benzoate
alpha,alpha-dimethyl anisyl acetone
 ethyl lactate
3-methyl butyl 2-furyl butyrate

(odor and/or flavor) used in :
 butter
 fruit

natural occurrence in :
found in nature



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