acetyl isovaleryl
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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
Molar Refractivity :34.49 ± 0.3 cm3 (est)
Parachor :318.1 ± 4.0 cm3 (est)
Index of Refraction :1.411 ± 0.02 (est)
Surface Tension :27.6 ± 3.0 dyne/cm (est)
Density :0.924 ± 0.06 g/cm3 (est)
Polarizability :13.67 ± 0.5 10-24cm3 (est)
XlogP : 1.10 (est)
XlogP3-AA : 0.90 (est)
Molecular Weight : 128.1689800 (IUPAC) (PT) (112)
Formula :C7 H12 O2
NMR Predictor :Predict
 
 
Category :flavoring agents

EU / EUROPA / FDA / JECFA Information :
JECFA Food Flavoring : 414
Fl@vouring Number : 07.093
FDA Mainterm : 5-METHYL-2,3-HEXANEDIONE.

Suppliers :
Nanjing :5-methyl-2,3-hexanedione
orders in chinese.
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

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
Odor Description:
Sweet, sharp, fruity, creamy with a brown buttery nuance
Mosciano, Gerard P&F 16, No. 6, 43, (1991)
Taste Description:
at 50.00 ppm.  
Fruity, creamy with a pineapple nuance
Mosciano, Gerard P&F 16, No. 6, 43, (1991)

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 Ppoint : 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 :
Category :flavoring agents
Maximised Survey-derived Daily Intakes (MSDI-EU) :1.10 (μg/capita/day)
 
IFRA Critical Effect :Sensitization
Recommendation for acetyl isovaleryl fragrance usage levels up to :
 PROHIBITED : Should not be used as a fragrance ingredient.
Recommendation for acetyl isovaleryl flavor 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 :view standard
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 cas# 13706-86-0
Chemidplus :013706860
EPA Substance Registry Services :13706-86-0

References :
 
5-methylhexane-2,3-dione
Pubchem :168952

Cosmetics :
Cosmetic Uses : not used anymore

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

Similar Products:    note
 acetyl valeryl

Soluble in :
 alcohol
 water, slightly
 propylene glycol
 glycerine

Insoluble in :
 water

Potential Blenders :    note
 acetoin acetateFL/FR
 acetyl isobutyrylFL/FR
 acetyl propionylFL/FR
 butyl lactateFL/FR
 dairy lactoneFL/FR
gamma-decalactoneFL/FR
 diacetylFL
 ethyl palmitateFL/FR
 ethyl undecylenateFL/FR
(Z)-4-hepten-1-alFL/FR
 vanillyl isobutyrateFL/FR

Potential Uses :
 bananaFL
 cheeseFL
 coffeeFL
 creamFL
 pineappleFL
 rumFL

Natural Occurrence in :    note
 coffee  
 potato chip  



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