amyl isobutyrate
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IUPAC name :pentyl 2-methylpropanoate
InChI :InChI=1/C9H18O2/c1-4-5-6-7-11-9(10)8(2)3/h8H,4-7H2,1-3H3
InChIKey :UYGGIIOLYXRSQY-UHFFFAOYAE
SMILES :CCCCCOC(=O)C(C)C
cas number :2445-72-9
(EINECS) number :219-494-6
coe number :293
fl. number :09.418
molar refractivity :45.47 ± 0.3 cm3
parachor :412.3 ± 4.0 cm3
index of refraction :1.416 ± 0.02
surface tension :26.9 ± 3.0 dyne/cm
density :0.874 ± 0.06 g/cm3
polarizability :18.02 ± 0.5 10-24cm3
XlogP : 2.70
XlogP3 : 3.00
molecular weight : 158.2380200 (IUPAC)
formula :C9 H18 O2
NMR Predictor :Predict
 
 
export tariff code :2915.60.0000
fda reg :unspecified

Suppliers :
Grau Aromatics :AMYL-iso-BUTYRATE (n-AMYL-iso-BUTYRATE)
NI, Kosher
Inoue :AMYL ISOBUTYRATE
Penta :amyl isobutyrate
Pfaltz & Bauer :Amyl Isobutyrate

organoleptics :
odor type :fruity
odor strength :medium
odor description :
at 100.00 %.  
fruity apple banana apricot

properties :
appearence :colorless clear liquid
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.85300 to 0.86200 @ 25.00 °C.
pounds per gallon - calc. : 7.098 to 7.173
refractive index :1.39100 to 1.42100 @ 20.00 °C.
boiling point : 176.00 to 177.00 °C. @ 760.00 mm Hg
flash point : 139.00  °F.  TCC  ( 59.44 °C. )
logP (o/w) : 3.18

safety :
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) :1.30 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :3500 (μg/person/day)
Threshold of concern :1800 (μg/person/day)
 
recommendation for amyl isobutyrate usage levels up to :
  5.0000 % in the fragrance concentrate.
 
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFFA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFFA, 2002i).
Note : mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0) : 7.0000035.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 5.0000025.00000
Edible ices, including sherbet and sorbet (03.0) : 10.0000050.00000
Processed fruit (04.1) : 7.0000035.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 10.0000050.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 5.0000025.00000
Bakery wares (07.0) : 10.0000050.00000
Meat and meat products, including poultry and game (08.0) : 2.0000010.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 2.0000010.00000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 5.0000025.00000
Foodstuffs intended for particular nutritional uses (13.0) : 10.0000050.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 5.0000025.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 10.0000050.00000
Ready-to-eat savouries (15.0) : --
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 5.0000025.00000

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
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
 
 
 pentyl 2-methylpropanoate
(EINECS) number :219-494-6
chemidplus :002445729
EPA Substance Registry Services :2445-72-9

references :
 pentyl 2-methylpropanoate
fl. number :09.418
NIST Chemistry WebBook :3788323581
pubchem :217774

Cosmetics :
Cosmetic uses : perfuming agents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
synonyms :
2-methyl propanoic acid pentyl ester
 pentyl 2-methyl propanoate
 pentyl 2-methylpropanoate
 pentyl isobutyrate

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
 allyl isovalerate
 allyl propionate
 allyl salicylate
 amyl 2-methyl butyrate
 amyl acetate
isoamyl acetate
 amyl butyrate
 amyl heptanoate
isoamyl hexanoate
 amyl isovalerate
isoamyl propionate
isoamyl valerate
 apple ketal
 apricot isobutyrate
 benzyl heptanoate
 benzyl isovalerate
 benzyl propionate
2-butanol
 butyl acetate
 butyl heptanoate
 butyl isovalerate
isobutyl isovalerate
 cyclohexyl butyrate
 cyclohexyl formate
 cyclohexyl isovalerate
 cyclohexyl propionate
alpha-damascone
gamma-damascone
 decen-1-yl cyclopentanone
3-decen-2-one
 diethyl 1-malate
 diethyl maleate
alpha,alpha-dimethyl benzyl isobutyrate
2-ethyl butyl acetate
 ethyl decanoate
 ethyl isovalerate
 ethyl valerate
 fruity ketal
 furfuryl acetate
 geranyl isovalerate
 geranyl methyl ethyl acetate
 heptyl 2-methyl butyrate
(Z)-3-hexen-1-al diethyl acetal
(E)-2-hexen-1-al dimethyl acetal
(Z)-3-hexen-1-al dimethyl acetal
(Z)-3-hexen-1-yl acetate
(E)-2-hexen-1-yl butyrate
(Z)-3-hexen-1-yl isobutyrate
(E)-2-hexen-1-yl propionate
(E)-2-hexen-1-yl valerate
(Z)-3-hexen-1-yl valerate
 hexyl 2-methyl butyrate
 hexyl butyrate
 hexyl formate
 hexyl isobutyrate
 linalyl butyrate
 marine formate
 methyl 4-methyl valerate
 methyl butyrate
 methyl citronellate
 methyl isovalerate
 methyl valerate
 nonyl isovalerate
(E)-2-penten-1-al
 prenyl acetate
isopropyl acetate
 propyl butyrate
 propyl heptanoate
 propyl isovalerate
isopropyl isovalerate
isopropyl octanoate

(odor and/or flavor) used in :
 apple
 apricot
 banana
 cherry
 fruit
 fruit tropical fruit
 pear
 plum
 tangerine
 tropical

natural occurrence in :
strychnos spinosa (monkey orange) - 25 mg/kg



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