alpha-naphthyl methyl ketone
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IUPAC name :1-naphthalen-1-ylethanone
InChI :InChI=1/C12H10O/c1-9(13)11-8-4-6-10-5-2-3-7-12(10)11/h2-8H,1H3
InChIKey :QQLIGMASAVJVON-UHFFFAOYAK
SMILES :CC(=O)C1=CC=CC2=CC=CC=C21
cas number :941-98-0
(EINECS) number :213-384-1
beilstein number :1100618
fl. number :07.214
molar refractivity :54.12 ± 0.3 cm3
parachor :396.2 ± 4.0 cm3
index of refraction :1.615 ± 0.02
surface tension :42.6 ± 3.0 dyne/cm
density :1.097 ± 0.06 g/cm3
polarizability :21.45 ± 0.5 10-24cm3
XlogP : 3.10
XlogP3-AA : 2.90
molecular weight : 170.2072000 (IUPAC)
formula :C12 H10 O
BioActivity Analysis :73491
NMR Predictor :Predict
 
 
export tariff code :2914.30.0000
fda reg :unspecified

Suppliers :
Penta :1-acetonaphthone
Penta :2-acetonaphthone
liquid

organoleptics :
odor type :floral
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :¹
at 10.00 % in dipropylene glycol.  
sweet neroli orange blossom powdery
odor sample from :Harrmann & Reimer Corporation
substantivity :400  Hour(s)

properties :
appearence :yellow brown clear liquid
assay : 97.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.11000 to 1.11600 @ 25.00 °C.
pounds per gallon - calc. : 9.236 to 9.286
refractive index :1.62000 to 1.63000 @ 20.00 °C.
melting point : 33.00 to 34.00 °C. @ 760.00 mm Hg
boiling point : 297.00 to 299.00 °C. @ 760.00 mm Hg
flash point : 265.00  °F.  TCC  ( 129.44 °C. )
logP (o/w) : 2.85

safety :
most important hazard(s) :Xn - Harmful.
  R 22 - Harmful if swallowed.
R 36/38 - Irritating to skin and eyes.
R 51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 37/39 - Wear suitable gloves and eye/face protection.
S 61 - Avoid release to the environment. Refer to special instructions/safety data sheet.
Oral Toxicity(LD50) :
  Oral-Rat   [sex: M,F]  1560.00  mg/kg
(Moreno, 1977x)

Oral-Rat   [sex: M]  800.00  mg/kg
(Eastman Kodak Co., 1992b)

Oral-Mouse   [sex: M]  800.00  mg/kg
(Eastman Kodak Co., 1992b)

Dermal Toxicity(LD50) :
  Skin-Rabbit  >5000.00  mg/kg
Food and Chemical Toxicology. Vol. 20, Pg. 755, 1982.

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) :1600 (μg/person/day)
Threshold of concern :90 (μg/person/day)
 
recommendation for alpha-naphthyl methyl ketone usage levels up to :
  3.0000 % 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) : 3.0000015.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 2.0000010.00000
Edible ices, including sherbet and sorbet (03.0) : 3.0000015.00000
Processed fruit (04.1) : 2.0000010.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 4.0000020.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 2.0000010.00000
Bakery wares (07.0) : 5.0000025.00000
Meat and meat products, including poultry and game (08.0) : 1.000005.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 1.000005.00000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 2.0000010.00000
Foodstuffs intended for particular nutritional uses (13.0) : 3.0000015.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 2.0000010.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 4.0000020.00000
Ready-to-eat savouries (15.0) : 5.0000025.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 2.0000010.00000

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
NLM Developmental and Reproductive Toxicity :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :3
 
 
 
 1-naphthalen-1-ylethanone
(EINECS) number :213-384-1
RTECS :AL2982800 for 941-98-0
chemidplus :000941980
EPA Substance Registry Services :941-98-0
dtp/nci :7659

references :
 1-naphthalen-1-ylethanone
fl. number :07.214
NIST Chemistry WebBook :1821079740
pubchem :157003

Cosmetics :
Cosmetic uses : masking agents
perfuming agents

other :
reference : Luebke, William tgsc, (1989)¹
CosIng :cosmetic data
synonyms :
1-acetonaphthalene
1'-acetonaphthone
alpha-acetonaphthone
1-acetyl naphthalene
alpha-acetyl naphthalene
 methyl 1-naphthyl ketone
 methyl alpha-naphthyl ketone
alpha-methyl naphthyl ketone
 methyl-alpha-naphthyl ketone
1-naphthalen-1-ylethanone
1-(1-naphthalenyl) ethanone
1-naphthyl methyl ketone
 oranger liquid

soluble in :
 ethyl alcohol, 4-5 parts 70%
 water, 226 mg/L @ 25C

insoluble in :
 paraffin oil

(odor and/or flavor) blends with :
 acetyl tetralin
para-anisaldehyde
 champaca absolute
 citral / methyl anthranilate schiff's base
 clean nitrile
 cyclamen aldehyde / methyl anthranilate schiff's base
 cyclohexyl anthranilate
 decanal / methyl anthranilate schiff's base
(Z)-4-decen-1-al
 decyl formate
 ethyl anthranilate
 geranyl phenyl acetate
 honeysuckle absolute
 hydroxycitronellal / methyl anthranilate schiff's base
 labdanum ethanone
 leerall / methyl anthranilate schiff's base
 lilyall / methyl anthranilate schiff's base
 linalool
 linalyl acetate
 linalyl anthranilate
 methyl anthranilate
beta-naphthyl ethyl ether
beta-naphthyl methyl ether
beta-naphthyl methyl ketone
2-naphthyl phenyl ketone
 nerol
 nerol oxide
 neroli oil
 neroli oil CO2 extract
 nerolin fragarol
 nonanal
 nonanal / methyl anthranilate schiff's base
 ocean propanal / methyl anthranilate schiff's base
 opoponax oil
 orangeflower absolute
 orris root resinoid
 petitgrain bigarade oil
 petitgrain oil
 propyl anthranilate
 surfleurs d'oranger oil
alpha-terpinyl anthranilate
alpha-terpinyl methyl ether
 tonka ketone
 wallflower absolute

(odor and/or flavor) used in :
 fixer
 jasmin
 narcissus narcisse
 neroli
 orange blossom fleur d'oranger
 strawberry
 wistaria wisteria glycine

natural occurrence in :
not found in nature



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