dehydro-ar-ionene
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IUPAC name :1,1,6-trimethyl-2H-naphthalene
InChI :InChI=1/C13H16/c1-10-6-7-12-11(9-10)5-4-8-13(12,2)3/h4-7,9H,8H2,1-3H3
InChIKey :RTUMCNDCAVLXEP-UHFFFAOYAL
SMILES :CC1=CC2=C(C=C1)C(CC=C2)(C)C
cas number :30364-38-6
(EINECS) number :250-150-8
fl. number :01.031
molar refractivity :56.78 ± 0.3 cm3
parachor :445.6 ± 4.0 cm3
index of refraction :1.528 ± 0.02
surface tension :34.2 ± 3.0 dyne/cm
density :0.935 ± 0.06 g/cm3
polarizability :22.51 ± 0.5 10-24cm3
XlogP : 4.70
molecular weight : 172.2661400 (IUPAC)
formula :C13 H16
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

organoleptics :
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
licorice

properties :
appearence :colorless clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.94200 to 0.94800 @ 25.00 °C.
pounds per gallon - calc. : 7.838 to 7.888
refractive index :1.54200 to 1.54800 @ 20.00 °C.
boiling point : 241.00 to 242.00 °C. @ 760.00 mm Hg
flash point : 202.00  °F.  TCC  ( 94.44 °C. )
logP (o/w) : 4.92

safety :
Oral Toxicity(LD50) :
  Not determined
Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.0012 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :3700 (μg/person/day)
Threshold of concern :540 (μg/person/day)
Structure Class :I
 
recommendation for dehydro-ar-ionene usage levels up to :
  6.0000 % in the fragrance concentrate.
 
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFFA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFFA, 2002i).
Note : mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0) : 7.0000035.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 5.0000025.00000
Edible ices, including sherbet and sorbet (03.0) : 10.0000050.00000
Processed fruit (04.1) : 7.0000035.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 10.0000050.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 5.0000025.00000
Bakery wares (07.0) : 10.0000050.00000
Meat and meat products, including poultry and game (08.0) : 2.0000010.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 2.0000010.00000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 5.0000025.00000
Foodstuffs intended for particular nutritional uses (13.0) : 10.0000050.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 5.0000025.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : --
Ready-to-eat savouries (15.0) : 20.00000100.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 5.0000025.00000

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
 
 
 
 1,1,6-trimethyl-2H-naphthalene
(EINECS) number :250-150-8
chemidplus :030364386
EPA Substance Registry Services :30364-38-6

references :
 1,1,6-trimethyl-2H-naphthalene
fl. number :01.031
NIST Chemistry WebBook :1882178349
pubchem :698173

other :
VCF-Online: VCF Volatile Compounds in Food
synonyms :
1,2-dihydro-1,1,6-trimethyl naphthalene
1,1,6-trimethyl-1,2-dihydronaphthalene
1,1,6-trimethyl-2H-naphthalene

soluble in :
 alcohol

insoluble in :
 water

natural occurrence in :
data pagecistus oil @ 0.2%
rum - 0.25 mg/kg
wine white wine - up to 0.042 mg/kg
data pagewitch hazel leaf oil @ 0.21%



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