ethyl isobutyrate
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IUPAC name :ethyl 2-methylpropanoate
InChI :InChI=1/C6H12O2/c1-4-8-6(7)5(2)3/h5H,4H2,1-3H3
InChIKey :WDAXFOBOLVPGLV-UHFFFAOYAG
SMILES :CCOC(=O)C(C)C
cas number :97-62-1
(EINECS) number :202-595-4
beilstein number :0773846
fema number :2428
coe number :288
jecfa number :186
fl. number :09.413
molar refractivity :31.57 ± 0.3 cm3
parachor :292.9 ± 4.0 cm3
index of refraction :1.395 ± 0.02
surface tension :24.6 ± 3.0 dyne/cm
density :0.883 ± 0.06 g/cm3
polarizability :12.51 ± 0.5 10-24cm3
XlogP : 1.20
molecular weight : 116.1582800 (IUPAC)
formula :C6 H12 O2
NMR Predictor :Predict
 
 
export tariff code :2915.60.0000
fda reg :172.515

Suppliers :
Advanced Biotech :ethyl isobutyrate
98% min. natural
Apple :Ethyl isobutyrate
Berje :Ethyl Iso Butyrate
Cargill - Alfrebro :ETHYL ISOBUTYRATE
natural, Kosher
Elan :ethyl isobutyrate
(natural), Kosher
Fleurchem :ethyl isobutyrate
natural
Frutarom :ETHYL ISOBUTYRATE
≥99.00%, NI, Kosher
Odor:  Citrus, Fruity, Sweet
Grau Aromatics :ETHYL-iso-BUTYRATE
FCC, NI, Kosher
IFF :Ethyl Iso Butyrate
≥98.00%, natural, Kosher
Mane :ethyl isobutyrate
Moellhausen :ethyl isobutyrate
98% min. nature identical kosher
Odor:  sweet, fruity, ethereal, with a rum like nuance
Flavor:  fruity, sweet
Mooreganics :Ethyl Isobutyrate
Natural (Organic Compliant)
Penta :ethyl isobutyrate
Penta :ethyl isobutyrate
natural
Robertet :Ethyl isobutyrate
naturel
Sigma-Aldrich-SAFC :Ethyl isobutyrate
≥98%, FCC, Kosher, FG
Odor:  citrus; strawberry
Sigma-Aldrich-SAFC :Ethyl isobutyrate
≥98%, natural, FCC, Kosher
Odor:  citrus; strawberry
Ungerer :Ethyl Iso Butyrate
Vigon :Ethyl Isobutyrate
FCC
Vigon :Ethyl Isobutyrate
Natural FCC

organoleptics :
odor type :fruity
odor strength :high ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
sweet ethereal fruity alcoholic fusel rummy
substantivity :4  Hour(s)

properties :
appearence :colorless clear liquid
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :Yes
specific gravity :0.86200 to 0.86800 @ 25.00 °C.
pounds per gallon - calc. : 7.173 to 7.223
refractive index :1.38500 to 1.39100 @ 20.00 °C.
melting point : -88.00 to -87.00 °C. @ 760.00 mm Hg
boiling point : 112.00 to 113.00 °C. @ 760.00 mm Hg
boiling point : 40.00 to 41.00 °C. @ 50.00 mm Hg
acid value : 1.00  max.  KOH/g
vapor pressure :25.40000 mm/Hg @ 25.00 °C.
vapor density :4.01 ( Air = 1 )
flash point : 57.00  °F.  TCC  ( 13.89 °C. )
logP (o/w) : 1.77
shelf life : 12.00 month(s) or longer if stored properly.
storage :store in cool, dry place in tightly sealed containers, protected from heat and light.

safety :
most important hazard(s) :Xi - Irritant
  R 10 - Flammable.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
S 24/25 - Avoid contact with skin and eyes.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Human experience : 8 % solution: no irritation or sensitization.
Oral Toxicity(LD50) :
  Oral-Rat    >5000.00  mg/kg
(Moreno, 1975b)

Intraperitoneal-Mouse    800.00  mg/kg

Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :640.00 (μg/capita/day)
 
recommendation for ethyl isobutyrate usage levels up to :
  8.0000 % in the fragrance concentrate.
recommendation for ethyl isobutyrate usage levels up to :
  200.0000 ppm in the flavor.

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
WISER :UN 2385
 
WGK Germany :2
 
 
 
 ethyl 2-methylpropanoate
(EINECS) number :202-595-4
RTECS :NQ4675000 for 97-62-1
chemidplus :000097621
EPA/NOAA CAMEO :hazardous materials
EPA Substance Registry Services :97-62-1

references :
 ethyl 2-methylpropanoate
fl. number :09.413
jecfa number :186
NIST Chemistry WebBook :1162313046
pubchem :150404

Cosmetics :
Cosmetic uses : perfuming agents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
synonyms :
isobutyric acid ethyl ester
 ethyl 2-methyl propanoate
 ethyl 2-methyl propionate
 ethyl 2-methylpropanoate
 ethyl 2-methylpropionate
 ethyl 2,2-dimethyl acetate
 ethyl 2,2-dimethylacetate
 ethyl isobutanoate
2-methyl propanoic acid ethyl ester
2-methyl propionic acid ethyl ester

soluble in :
 alcohol
 water, 3170 mg/L @ 25C

insoluble in :
 water

(odor and/or flavor) blends with :
 acetaldehyde
 acetaldehyde diisoamyl acetal
 allyl hexanoate
 allyl phenyl acetate
 amyl alcohol
isoamyl alcohol
 amyl formate
 amyl heptanoate
isoamyl pyruvate
 benzyl methyl ether
 berry pentadienoate
isobutyl acetate
 butyl alcohol
isobutyl butyrate
 butyl formate
isobutyl formate
 cognac oil white
 cyclohexanone diethyl acetal
 decyl propionate
 ethyl (E)-crotonate
 ethyl 2-methyl-2-pentenoate
 ethyl acetate
2-ethyl butyl acetate
2-ethyl butyraldehyde
 ethyl cyclopentenolone
 ethyl heptanoate
 ethyl hydrocinnamate
 ethyl nonanoate
 ethyl propionate
 ethyl pyruvate
2-ethyl-4-butanol
 fruity carboxylate
 geranyl methyl tiglate
2-heptenoic acid
 heptyl acetate
 hexanol
3-hexanone
(E)-2-hexen-1-yl formate
(E)-2-hexen-1-yl phenyl acetate
1-hexen-3-ol
1-hexen-3-yl acetate
 linalyl propionate
 methyl acetate
2-methyl allyl butyrate
 methyl ethyl ketone
 methyl propionate
S-(methyl thio) hexanoate
 methyl tiglate
2-methyl valeraldehyde
2-pentanol
2-pentanone
(Z)-2-penten-1-ol
2-phenyl propyl butyrate
 prenyl formate
 propyl acetate
isopropyl acetate
 propyl alcohol
isopropyl butyrate
 propyl formate
isopropyl propionate
 pyruvaldehyde
 tetrahydrofurfuryl acetate

(odor and/or flavor) used in :
 apple
 apricot
 banana
 beer
 berry
 blackberry
 cherry
 eggnog
 grape
 honey miel
 kiwi
 mango
 pear
 pineapple
 raspberry
 rum
 strawberry
 tutti frutti
 wine

natural occurrence in :
apple juice
apricot
beer
data pagechamomile oil @ trace%
grape concord grape
honey
kiwi
mango
molasses
olive
quince
rum
strawberry juice
wine port wine
wine white wine



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