isobutyl-3-(methyl thio) butyrate
Suppliers  organoleptics  properties  safety  references    FEMA Index    Home Page
 
Right Click Picture For More Options. (Safari 1.2 (v125) Compatible).
 
IUPAC name :isobutyl 3-methylsulfanylbutanoate
InChI :InChI=1/C9H18O2S/c1-7(2)6-11-9(10)5-8(3)12-4/h7-8H,5-6H2,1-4H3
InChIKey :RRGSLXQIRFOAEM-UHFFFAOYAP
SMILES :O=C(OCC(C)C)CC(C)SC
cas number :127931-21-9
fema number :4150
jecfa number :1677
fl. number :12.214
molar refractivity :53.43 ± 0.3 cm3
parachor :460.3 ± 4.0 cm3
index of refraction :1.459 ± 0.02
surface tension :30.8 ± 3.0 dyne/cm
density :0.974 ± 0.06 g/cm3
polarizability :21.18 ± 0.5 10-24cm3
molecular weight : 190.3030200 (IUPAC)
formula :C9 H18 O2 S
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Frutarom :ISOBUTYL 3-METHYLTHIOBUTYRATE
≥99.00%, Kosher
Odor:  Dry, Strawberry, Sweet
Nanjing :2-methylpropyl 3-(methylthio)butanoate
Penta :(+/-)-isobutyl-3-methylthio butyrate

organoleptics :
odor type :fruity
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
pungent dry strawberry sweet

properties :
appearence :colorless clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.87500 to 0.88100 @ 25.00 °C.
pounds per gallon - calc. : 7.281 to 7.331
refractive index :1.45800 to 1.46400 @ 20.00 °C.
boiling point : 92.00 to 98.00 °C. @ 760.00 mm Hg
acid value : 1.00  max.  KOH/g
flash point : 190.00  °F.  TCC  ( 87.78 °C. )
logP (o/w) : 2.80

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 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, 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) :0.12 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :160 (μg/person/day)
Threshold of concern :1800 (μg/person/day)
Structure Class :I
 
recommendation for isobutyl-3-(methyl thio) butyrate usage levels up to :
  0.5000 % 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 : 0.020002.00000
beverages(nonalcoholic) : 0.020001.00000
beverages(alcoholic) : 0.020001.00000
breakfast cereal : --
cheese : --
chewing gum : 0.020001.00000
condiments / relishes : --
confectionery froastings : 0.020001.00000
egg products : --
fats / oils : --
fish products : --
frozen dairy : 0.020001.00000
fruit ices : 0.020001.00000
gelatins / puddings : 0.020001.00000
granulated sugar : --
gravies : --
hard candy : 0.020001.00000
imitation dairy : 0.020001.00000
instant coffee / tea : --
jams / jellies : 0.020001.00000
meat products : --
milk products : 0.020001.00000
nut products : --
other grains : --
poultry : --
processed fruits : 0.020001.00000
processed vegetables : 0.020001.00000
reconstituted vegetables : 0.020001.00000
seasonings / flavors : 0.020001.00000
snack foods : --
soft candy : 0.020001.00000
soups : --
sugar substitutes : 0.020001.00000
sweet sauces : --
 
 
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) : 0.400002.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 0.200001.00000
Edible ices, including sherbet and sorbet (03.0) : 0.400002.00000
Processed fruit (04.1) : 0.300001.50000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 0.400002.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 0.200001.00000
Bakery wares (07.0) : 0.400002.00000
Meat and meat products, including poultry and game (08.0) : 0.100000.40000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 0.100000.40000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 0.200001.00000
Foodstuffs intended for particular nutritional uses (13.0) : 0.400002.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 0.200001.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 0.400002.00000
Ready-to-eat savouries (15.0) : 1.000005.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 0.200001.00000

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
 
 
 
 isobutyl 3-methylsulfanylbutanoate
chemidplus :127931-21-9
EPA Substance Registry Services :127931-21-9

references :
 isobutyl 3-methylsulfanylbutanoate
fl. number :12.214
jecfa number :1677
pubchem :127931-21-9

other :
FDA Everything Added to Food in the United States (EAFUS)View
synonyms :
(±)-isobutyl 3-(methyl thio) butyrate
(±)-isobutyl 3-(methylthio) butyrate
isobutyl 3-methylsulfanylbutanoate
(±)-isobutyl 3-methylthiobutyrate
isobutyl-3-(methylthio) butyrate
2-methyl propyl 3-(methyl thio) butanoate
2-methyl propyl 3-(methyl thio) butyrate
3-(methyl thio) butanoic acid 2-methyl propyl ester
2-methylpropyl 3-(methylthio) butanoate
2-methylpropyl 3-(methylthio) butyrate

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
 acetaldehyde methyl hexyl acetal
 acetyl butyryl
 acetyl methyl anthranilate
 acorn acetate
isoamyl formate
1-benzoyl acetone
 berry pentadienoate
 bitter orange oil
 boronia butenal
isobutyl-3-(methyl thio) butyrate
alpha-cadinene
delta-cadinene
 caryophyllene
beta-caryophyllene
beta-caryophyllene alcohol acetate
 citronellyl benzoate
 clary sage oil
 clove bud concrete
 cuminyl nitrile
 decanal / methyl anthranilate schiff's base
 dehydro beta-linalool
 dihydro-beta-ionone
3,4-dihydroxybenzaldehyde
 dimethyl benzyl carbinyl formate
alpha,alpha-dimethyl benzyl isobutyrate
2,4-dimethyl-3-cyclohexene-1-methanyl acetate
 dodecane nitrile
 elecampane root oil
 ethyl benzoate
 ethyl maltol
 eugenyl formate
 floral undecenone
 fruity ketal
 galbanum resinoid
 geranic acid
 grapefruit oil
 grapefruit oil CO2 extract
 grapefruit oil terpeneless
 green hexanal
 heliotropyl acetate
 herbal carene
 hexanal dimethyl acetal
 hexyl isovalerate
(E)-beta-ionone
isojasmone
 linalyl octanoate
 maltyl isobutyrate
para-menth-3-en-1-ol
2-methoxy-4-vinyl phenol
 methyl (E)-cinnamate
 methyl cinnamate
 methyl cyclocitrone
2-methyl decanal
 methyl propionate
2-methyl-2-pentenoic acid
 muguet carbaldehyde
 musk dodecane
 musk methyl ketone
 neryl isobutyrate
 orange oil bitter
 orange peel oil bitter china
 orange peel oil bitter italy
 orangeflower water absolute
 pepper tree berry oil
 phenethyl butyrate
3-phenyl propyl isovalerate
 phenyl propyl valerate
beta-pinene
laevo-beta-pinene
2-propenyl-para-cymene
isopropyl cinnamate
 propyl heptanoate
 savin oil
 seaweed absolute
 strawberry furanone
 strawberry glycidate 1
 strawberry glycidate 2
 strawberry notes
 tea leaf absolute
 tetrahydrogeranyl acetone
 tuberose acetate
 valencene

(odor and/or flavor) used in :
 cheese
 dairy
 fruit
 fruit tropical fruit
 galbanum
 strawberry

natural occurrence in :
not found in nature



information only - not sold by The Good Scents Company.



Please share your Information / Comments.

Your email Address:



Top of Page          The Good Scents Company Home

Copyright © 1980-2009 The Good Scents Company Disclaimer Privacy Policy
Html Last modified 11/06/2009