acetyl isovaleryl
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Right Click Picture For More Options. (Safari 1.2 (v125) Compatible).
 
IUPAC name :5-methylhexane-2,3-dione
InChI :InChI=1/C7H12O2/c1-5(2)4-7(9)6(3)8/h5H,4H2,1-3H3
InChIKey :PQCLJXVUAWLNSV-UHFFFAOYAN
SMILES :CC(C)CC(=O)C(=O)C
cas number :13706-86-0
(EINECS) number :237-241-8
beilstein number :1745751
fema number :3190
coe number :11148
jecfa number :414
fl. number :07.093
molar refractivity :34.49 ± 0.3 cm3
parachor :318.1 ± 4.0 cm3
index of refraction :1.411 ± 0.02
surface tension :27.6 ± 3.0 dyne/cm
density :0.924 ± 0.06 g/cm3
polarizability :13.67 ± 0.5 10-24cm3
XlogP : 1.10
XlogP3-AA : 0.90
molecular weight : 128.1689800 (IUPAC)
formula :C7 H12 O2
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Nanjing :5-methyl-2,3-hexanedione
Penta :acetyl iso valeryl
TCI AMERICA :5-Methyl-2,3-hexanedione
>94.0%(GC)
Vigon :Acetyl Isovaleryl 5-Methyl 2 3-Hexanedione
Odor:  POWERFUL, OILY, BUTTERY ODOR.

organoleptics :
odor type :fruity
odor strength :high ,
recommend smelling in a 1.00 % solution or less
odor description :
at 1.00 % in propylene glycol.  
sweet sharp fruity creamy brown butter

properties :
appearence :yellow clear liquid
assay : 96.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.90800 @ 25.00 °C.
refractive index :1.41190 @ 20.00 °C.
boiling point : 138.00 °C. @ 760.00 mm Hg
vapor pressure :6.87000 mm/Hg @ 25.00 °C.
flash point : 107.00  °F.  TCC  ( 41.67 °C. )
logP (o/w) : 0.06

safety :
Human experience : 0.1 % solution: no irritation or sensitization.
Oral Toxicity(LD50) :
  Oral-Rat    >5000.00  mg/kg
Food and Chemical Toxicology. Vol. 20, Pg. 637, 1982.

Dermal Toxicity(LD50) :
  Skin-Rabbit  >5000.00  mg/kg
Food and Chemical Toxicology. Vol. 20, Pg. 637, 1982.

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :1.10 (μg/capita/day)
 
IFRA critical Effect :Sensitisation
recommendation for acetyl isovaleryl usage levels up to :
 PROHIBITED : Should not be used as a fragrance ingredient.
recommendation for acetyl isovaleryl 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
IFRA :IFRA - ( Found under : Acetyl isovaleryl )
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
SCCNFP :opinion
WISER :UN 1224
 
 
 
 5-methylhexane-2,3-dione
(EINECS) number :237-241-8
RTECS :MO3200000 for 13706-86-0
chemidplus :013706860
EPA Substance Registry Services :13706-86-0

references :
 5-methylhexane-2,3-dione
fl. number :07.093
jecfa number :414
pubchem :168952

Cosmetics :
Cosmetic uses : not used anymore

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
FDA Everything Added to Food in the United States (EAFUS)View
synonyms :
 acetyl isopentanoyl
2-methyl hexa-4,5-dione
5-methyl hexan-2,3-dione
5-methyl hexane-2,3-dione
5-methyl-2,3-hexane dione
5-methylhexane-2,3-dione

soluble in :
 alcohol
 water, slightly
 propylene glycol
 glycerine

insoluble in :
 water

(odor and/or flavor) blends with :
 acetoin acetate
 acetyl isobutyryl
 acetyl propionyl
 butyl lactate
 dairy lactone
gamma-decalactone
 diacetyl
 ethyl palmitate
 ethyl undecylenate
(Z)-4-hepten-1-al
 vanillyl isobutyrate

(odor and/or flavor) used in :
 banana
 cheese
 coffee
 cream
 pineapple
 rum

natural occurrence in :
coffee
potato chip



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