phenoxyethyl isobutyrate
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Notes :
Blends well with rose notes.
 
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IUPAC name :2-(phenoxy)ethyl 2-methylpropanoate
InChI :InChI=1/C12H16O3/c1-10(2)12(13)15-9-8-14-11-6-4-3-5-7-11/h3-7,10H,8-9H2,1-2H3
InChIKey :MJTPMXWJHPOWGH-UHFFFAOYAB
SMILES :CC(C)C(=O)OCCOC1=CC=CC=C1
cas number :103-60-6
(EINECS) number :203-127-1
beilstein number :2215248
fema number :2873
coe number :2089
jecfa number :1028
fl. number :09.487
molar refractivity :57.82 ± 0.3 cm3
parachor :484.9 ± 4.0 cm3
index of refraction :1.490 ± 0.02
surface tension :34.6 ± 3.0 dyne/cm
density :1.042 ± 0.06 g/cm3
polarizability :22.92 ± 0.5 10-24cm3
XlogP : 2.50
molecular weight : 208.2536400 (IUPAC)
formula :C12 H16 O3
BioActivity Analysis :131881
NMR Predictor :Predict
 
 
export tariff code :2915.60.0000
fda reg :172.515

Suppliers :
Apple :2-Phenoxyethyl isobutyrate
Berje :Phenoxy Ethyl iso Butyrate
IFF :Phenoxyethyl Iso Butyrate
Odor:  Seemingly mild, fruity, rose note with a honey aspect.
Inoue :2-PHENOXYETHYL ISOBUTYRATE
John D. Walsh :Phenoxy Ethyl Iso Butyrate
Moellhausen :phenirat
98% min. artifical kosher
Odor:  sweet, floreal, rose like, chamomile, honey
Flavor:  green fruity, waxy
Penta :phenoxyethyl isobutyrate
Sigma-Aldrich-SAFC :Phenoxyethyl isobutyrate
≥97%, FCC
Odor:  honey; rose
Symrise :Phenirat®
Odor:  sweet, fruity, floral like rose, somewhat like honey
Flavor:  sweet, fruity, like honey, pear
Ungerer :Phenoxy Ethyl Iso Butyrate
Vigon :Phenirat Phenoxy Ethyl Isobutyrate
FCC
Odor:  FRUITY, FLORAL, ROSY

organoleptics :
odor type :green
odor strength :medium
odor description :¹
at 100.00 %.  
sweet fruity tropical rose honey floral waxy
odor sample from :Fritzsche Dodge & Olcott, Inc.
substantivity :184  Hour(s)

properties :
appearence :colorless clear liquid
assay : 97.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.04400 to 1.04800 @ 25.00 °C.
pounds per gallon - calc. : 8.687 to 8.720
specific gravity :1.04200 to 1.04800 @ 20.00 °C.
pounds per gallon - calc. : 8.681 to 8.731
refractive index :1.49100 to 1.49600 @ 20.00 °C.
boiling point : 125.00 to 127.00 °C. @ 4.00 mm Hg
boiling point : 265.00 °C. @ 760.00 mm Hg
acid value : 1.00  max.  KOH/g
vapor pressure :0.00500 mm/Hg @ 20.00 °C.
flash point :> 212.00  °F.  TCC  ( > 100.00 °C. )
logP (o/w) : 3.20

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.
Human experience : 4 % solution: no irritation or sensitization.
Oral Toxicity(LD50) :
  Oral-Rat    >5.00  gm/kg

Dermal Toxicity(LD50) :
  Skin-Rabbit  >5.00  gm/kg

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :1.70 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :110.00 (μg/capita/day)
Structure Class :III
 
recommendation for phenoxyethyl isobutyrate usage levels up to :
  20.0000 % in the fragrance concentrate.
recommendation for phenoxyethyl isobutyrate usage levels up to :
  50.0000 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
Env. Mutagen Info. Center :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :1
 
 
 
 2-(phenoxy)ethyl 2-methylpropanoate
(EINECS) number :203-127-1
RTECS :UA2470910 for 103-60-6
chemidplus :000103606
EPA Substance Registry Services :103-60-6
dtp/nci :227210

references :
 2-(phenoxy)ethyl 2-methylpropanoate
fl. number :09.487
jecfa number :1028
NIST Chemistry WebBook :1028160359
pubchem :197226

Cosmetics :
Cosmetic uses : perfuming agents

other :
reference : Luebke, William tgsc, (1995)¹
CosIng :cosmetic data
synonyms :
isobutyric acid 2-phenoxyethyl ester
 ethylene glycol monophenyl ether isobutyrate
 floranol
2-methyl propanoic acid 2-phenoxyethyl ester
 phenirat
2-(phenoxy)ethyl 2-methylpropanoate
2-phenoxyethyl 2-methyl propanoate
2-phenoxyethyl isobutyrate
 phenyl cellosolve isobutyrate

soluble in :
 alcohol
 paraffin oil
 water, 210 mg/L @ 20C

insoluble in :
 water

stability :
 alcoholic lotion
 antiperspirant
 deo stick
 detergent
 fabric softener
 hard surface cleaner
 shampoo
 soap

(odor and/or flavor) blends with :
 acetaldehyde ethyl phenethyl acetal
2-acetyl furan
 allyl amyl glycolate
 allyl cyclohexyl propionate
alpha-amyl cinnamaldehyde
isoamyl phenyl acetate
isoamyl salicylate
para-anisaldehyde
para-anisyl alcohol
 benzaldehyde
 benzyl acetate
 benzyl cinnamate
 benzyl propionate
 benzyl salicylate
 bergamot oil
 bois de rose oil
isobutyl cinnamate
 cassia bark oil
 cinnamyl alcohol
 citronellol
 citronellyl acetate
 clary sage oil
 clove bud oil
 coriander seed oil
 currant bud absolute black
 cyclamen aldehyde
 cyclohexyl ethyl alcohol
gamma-decalactone
 decanol
9-decen-1-ol
 dimethyl anthranilate
 dimethyl benzyl carbinyl isobutyrate
 ethyl (E,Z)-2,4-decadienoate
 ethyl cinnamate
 ethyl phenyl acetate
 ethyl vanillin
 fir balsam absolute
 floral pyranol
 gardenia oxide
 geraniol
 geranyl acetate
(E)-geranyl acetone
 guaiacwood oil
 heliotropin
(Z)-3-hexen-1-yl acetate
(Z)-3-hexen-1-yl propionate
(Z)-3-hexen-1-yl salicylate
 hexyl 2-methyl butyrate
alpha-hexyl cinnamaldehyde
 hexyl isovalerate
 ho leaf oil
 hydroxycitronellal
 ionones
 leerall
 linalool
laevo-linalool
 linalool oxide
 linalyl acetate
 methyl anthranilate
alpha-methyl cinnamaldehyde
 methyl cinnamate
 methyl dihydrojasmonate
 methyl ionones
 methyl phenyl acetate
 muguet carboxaldehyde
 musks
beta-naphthyl ethyl ether
 nerol
 neryl acetate
 nonanal
 nonanol
 ocean propanal
 orange oil
 patchouli ethanone
 peony alcohol
 petitgrain oil
 phenethyl acetate
 phenethyl alcohol
 phenethyl isobutyrate
 phenethyl phenyl acetate
 phenyl acetaldehyde dimethyl acetal
3-phenyl propionaldehyde
3-phenyl propyl alcohol
 raspberry ketone
 rhodinol
 rose butanoate
 rose oxides
 santall
 strawberry glycidate 1
alpha-terpineol
 tetrahydrolinalool
 tonka bean absolute
gamma-undecalactone
10-undecen-1-al
 vanilla absolute
 vanillyl acetate
 woody amylene

(odor and/or flavor) used in :
 apple
 berry
 grape
 green
 herbal
 honey miel
 honeysuckle chevrefeuille
 lilac lilas syringa
 peach
 pineapple
 rose
 tropical

natural occurrence in :
not found in nature



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