tonka ketone
 
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IUPAC name :1-(1-benzofuran-2-yl)ethanone
InChI :InChI=1/C10H8O2/c1-7(11)10-6-8-4-2-3-5-9(8)12-10/h2-6H,1H3
InChIKey :YUTFQTAITWWGFH-UHFFFAOYAN
SMILES :CC(=O)C1=CC2=CC=CC=C2O1
(EINECS) number :216-706-9
cas number :1646-26-0
beilstein number :0117910
molar refractivity :46.42 ± 0.3 cm3
parachor :350.2 ± 4.0 cm3
index of refraction :1.588 ± 0.02
surface tension :41.6 ± 3.0 dyne/cm
density :1.161 ± 0.06 g/cm3
polarizability :18.40 ± 0.5 10-24cm3
xlogp : 1.90
molecular weight : 160.1693200
formula :C10 H8 O2
BioActivity Analysis :85711
 
 
export tariff code :unspecified
fda reg :unspecified
 

Suppliers :
Symrise :Coumarone

organoleptics :
odor type :tonka
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
sweet coumarin orange flower tonka lactone

properties :
appearence :white to beige crystals
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
melting point : 70.00 to 72.00 °C. @ 760.00 mm Hg
boiling point : 90.00 °C. @ 1.50 mm Hg
boiling point : 271.00 to 272.00 °C. @ 760.00 mm Hg
logp : 2.12

safety :
most important hazard(s) : None - None
Oral Toxicity(LD50) : Oral-Rat    >2000.00  mg/kg    
Dermal Toxicity(LD50) : Skin-Rabbit  >2000.00  mg/kg    
flash point ( Deg. F. ) : 235.00  °F.  TCC  ( 112.78 °C. )
recommendation for tonka ketone usage levels up to :
  2.0000 % in the fragrance concentrate.
recommendation for tonka ketone usage levels up to :
 not for flavor use.

safety links :
 
 
(EINECS) number :216-706-9
chemidplus :001646260
EPA Substance Registry Services :1646-26-0
NLM Chemical Carcinogenesis Research Information System :1646-26-0
NLM Developmental and Reproductive Toxicity :1646-26-0
NLM Env. Mutagen Info. Center :1646-26-0
NLM GENetic TOXicology :1646-26-0
dtp/nci :23974
EPI System :view

other :

references :
pubchem :158754
NIST Chemistry WebBook :2114368541
synonyms :
2-acetyl benzofuran
2-acetyl coumarone
2-acetyl cumarone
 benzo(b)furan-2-yl methyl ketone
 benzofur-2-yl ethan-1-one
 benzofuran-2-yl methyl ketone
1-(2-benzofuranyl) ethanone
 coumarone
 tonka ketone

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) used in :
 amber
 coconut
 fruit
 neroli
 orange blossom fleur d'oranger
 orange mock orange
 tonka

natural occurrence in :
not found in nature



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Html Last modified 11/23/2008