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
cas number :1646-26-0
(EINECS) number :216-706-9
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 (IUPAC)
formula :C10 H8 O2
BioActivity Analysis :85711
NMR Predictor :Predict
 
 
export tariff code :2932.99.0000
fda reg :unspecified

Suppliers :
Symrise :Coumarone
Odor:  sweet coumarin-like, with notes of orange flower, tonka and
Vigon :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
vapor pressure :0.00600 mm/Hg @ 25.00 °C.
flash point : 235.00  °F.  TCC  ( 112.78 °C. )
logP (o/w) : 2.12

safety :
most important hazard(s) :None - None found.
  S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
Human experience : non-sensitising
Oral Toxicity(LD50) :
  Oral-Rat    >2000.00  mg/kg

Intraperitoneal-Mouse    1200.00  mg/kg
European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 12, Pg. 383, 1977.

Dermal Toxicity(LD50) :
  Skin-Rabbit  >2000.00  mg/kg

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
 
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 references :
EPI System :view
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :2
 
 
 
 1-(1-benzofuran-2-yl)ethanone
(EINECS) number :216-706-9
chemidplus :001646260
EPA Substance Registry Services :1646-26-0
dtp/nci :23974

references :
 1-(1-benzofuran-2-yl)ethanone
NIST Chemistry WebBook :2114368541
pubchem :158754

other :
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-(1-benzofuran-2-yl)ethanone
1-(2-benzofuranyl) ethanone
 coumarone

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
2-acetyl pyrrole
2-acetyl-5-methyl furan
6-amyl-alpha-pyrone
 anisonitrile
para-anisyl acetate
2-oxobutyric acid
 cherry propanol
 coconut decanone
 coconut naphthalenone
 coumane
 coumarin
 deertongue absolute
 deertongue concrete
 deertongue oleoresin
 dehydromenthofurolactone
(R)-dihydroactinidiolide
 dihydrocoumarin
delta-2-dodecenolactone
 fenugreek absolute
 fig leaf absolute
 flouve absolute
 fruity cyclopentanone
 hay absolute
gamma-heptalactone
3-heptyl dihydro-5-methyl-2(3H)-furanone
 hexahydrocoumarin
gamma-hexalactone
2-hexen-1-yl cyclopentanyl acetate
 immortelle absolute
 immortelle flower oil
 lime oil expressed florida
 lovage oleoresin
 massoia bark oil
 massoia lactone
 melilot absolute
 melilot oleoresin
7-methoxycoumarin
 methyl acetophenone
2'-methyl acetophenone
7-methyl coumarin
 methyl dihydrojasmonate
6-methyl quinoline
 mint lactone
 myrtenal
delta-nonalactone
 octahydrocoumarin
 phthalide
 pine needle absolute
 poplar bud oleoresin
 powdery ketone
 syringaldehyde
 tolualdehydes (mixed o/m/p)
 tonka bean absolute
 tonka bean oleoresin
 tonka bean resinoid
 tonka furanone
 tonka undecanone
 tonkavert
 vanillyl alcohol
 whiskey lactone

(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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