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General Material Information

Preferred name acetophenone
Trivial Name Acetophenone
Short Description 1-phenyl-1-ethanone
Formula C8 H8 O
CAS Number 98-86-2
FEMA Number 2009
Flavis Number 7.004
ECHA Number 202-708-7
FDA UNII RK493WHV10
Nikkaji Number J3.225E
Beilstein Number 0605842
MDL MFCD00008724
COE Number 138
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 806 acetophenone
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 98-86-2 ; ACETOPHENONE
Synonyms
  • 1-phenyl ethanone
  • 1-phenyl-1-ethanone
  • 1-phenylethanone
  • 1-phenylethanone
  • acetofenon
  • acetophenone FCC
  • acetophenone natural
  • acetophenone PG
  • acetophenone prime
  • acetyl benzene
  • acetyl benzol
  • acetylbenzene
  • acetylbenzol
  • benzoyl methide
  • benzoylmethide
  • ethanone, 1-phenyl-
  • hypnon
  • hypnone
  • ketone, methyl phenyl
  • methyl phenyl ketone
  • methylphenyl ketone
  • oxo phenylethane
  • phenyl methyl ketone
  • phenylmethylketone
  • acetophenone (1-phenylethanone)
  • Acetophenon
  • NSC 98542
  • NSC 7635
  • 1-Feniletanone
  • Benzoylmethane

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

1-phenylethanone
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:98-86-2
Pubchem (cid):7410
Pubchem (sid):134971465
Flavornet:98-86-2
Pherobase:View
Publications by US Patents
3,952,024 - Furfurylthioacetone
3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines
Publications by PubMed
The measurement of analyte diffusion from hydrogel microcapsules in model aqueous environments.
Oxidation of acetophenone by Aspergillus species and their possible contribution to Katsuobushi flavor.
Bioconversion of cinnamic Acid to acetophenone by a pseudomonad: microbial production of a natural flavor compound.
The measurement of analyte diffusion from hydrogel microcapsules in model aqueous environments.
Characterization of the most odor-active compounds in an American Bourbon whisky by application of the aroma extract dilution analysis.
Comparison of key aroma compounds in cooked brown rice varieties based on aroma extract dilution analyses.
Parental olfactory experience influences behavior and neural structure in subsequent generations.
Molecular vibration-sensing component in human olfaction.
Genetic variation in odorant receptors contributes to variation in olfactory behavior in a natural population of Drosophila melanogaster.
Chemical composition of burnt smell caused by accidental fires: environmental contaminants.
Mice with a "monoclonal nose": perturbations in an olfactory map impair odor discrimination.
Learning-dependent structural plasticity in the adult olfactory pathway.
Defining the typical aroma of sherry vinegar: sensory and chemical approach.
Characterization of the most odor-active compounds in an American Bourbon whisky by application of the aroma extract dilution analysis.
A floral-derived compound attractive to the tephritid fruit fly parasitoid Diachasmimorpha longicaudata (Hymenoptera: Braconidae).
Olfactory epithelia exhibit progressive functional and morphological defects in CF mice.
Analytical determination of the suitability of different processes for the treatment of odorous waste gas.
Olfactory-mediated fear conditioning in mice: simultaneous measurements of fear-potentiated startle and freezing.
Dendritic stability in the adult olfactory bulb.
Comparison of key aroma compounds in cooked brown rice varieties based on aroma extract dilution analyses.
Orbital cortex neuronal responses during an odor-based conditioned associative task in rats.
Odor response properties of rat olfactory receptor neurons.
Diurnal variations in olfactory sensitivity and the relationship to food intake.

Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
CHEBI:View
CHEMBL:View
Metabolomics Database:Search
UM BBD:Search
KEGG (GenomeNet):C07113
HMDB (The Human Metabolome Database):HMDB33910
FooDB:FDB012106
YMDB (Yeast Metabolome Database):YMDB01629
Export Tariff Code:2914.30.0000
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View
Formulations/Preparations:
trade name: hypnone grades: technical, refined, perfumery. 99.0% minimum purity liquid grade. commercially available from arco

PhysChem Properties

Material listed in food chemical codex Yes
Molecular weight 120.15096282959
Specific gravity @ 25 °C
Pounds per Gallon 8.529 to 8.587
Refractive Index 1.533 to 1.536 @ 20 °C
Melting Point 19 to 20°C @ 760 mm Hg
Boiling Point 202 to 203°C @ 760 mm Hg
Boiling Point 114 to 115°C @ 50 mm Hg
Vapor Pressure 0.397 mmHg @ 25 °C
Vapor Density 4.1
Flash Point TCC Value 81.67 °C TCC
logP (o/w) 1.58
Shelf life 24 months (or longer if stored properly.)
Storage notes Store in cool, dry place in tightly sealed containers, protected from heat and light.
Solubility
chloroform Yes
diethyl phthalate Yes
essential oils Yes
ether Yes
ethyl alcohol, 5 volumes of 50% alcohol Yes
glycerol Yes
kerosene Yes
paraffin oil Yes
propylene glycol Yes
solvent for cellulose ethers, esters and resins Yes
water, 4484 mg/L @ 25 °C (est) Yes
water, 6130 mg/L @ 25 °C (exp) Yes
water No
glycerin No
Stability
non-discoloring in most media Unspecified

Organoleptic Properties

Odor Type: Floral
sweet, pungent, hawthorn, mimosa, almond, acacia, chemical, cherry, marzipan, coumarinic, nutty, heliotrope, vanilla
Odor strength high , recommend smelling in a 1.00 % solution or less
Substantivity 7 hour(s) at 100.00 %
Luebke, William tgsc, (1983) At 1.00 % in dipropylene glycol. sweet pungent hawthorn mimosa almond acacia chemical
Mosciano, Gerard P&F 26, No. 2, 40, (2001) At 1.00 %. sweet, cherry pit, marzipan and coumarinic. It has a slight almond nutty and heliotropin-like vanilla nuance
Flavor Type: Powdery
powdery, bitter, almond, cherry, coumarinic, fruity
Mosciano, Gerard P&F 26, No. 2, 40, (2001) At 3.50 - 10.00 ppm. Powdery, bitter almond cherry pit-like with coumarinic and fruity nuances
General comment Almond phenolic

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 22 - Harmful if swallowed.
R 36 - Irritating to eyes.
S 02 - Keep out of the reach of children.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
Flammable liquids (Category 4), H227
Acute toxicity, Oral (Category 4), H302
Serious eye damage (Category 1), H318
GHS Label elements, including precautionary statements
Pictogramexclamation-mark.jpg
Signal word Warning
Hazard statement(s)
H227 - Combustible liquid
H302 - Harmful if swallowed
H318 - Causes serious eye damage
Precautionary statement(s)
P210 - Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P264 - Wash skin thouroughly after handling.
P270 - Do not eat, drink or smoke when using this product.
P280 - Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P312 - IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P310 - Immediately call a POISON CENTER or doctor/physician.
P330 - Rinse mouth.
P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction.
P403 + P235 - Store in a well-ventilated place. Keep cool.
P501 - Dispose of contents/ container to an approved waste disposal plant.
Human Experience:
2 % solution: no irritation or sensitization.
Oral/Parenteral Toxicity:
gavage-rat LD50 [sex: M] 3000 mg/kg
(Smyth & Carpenter, 1944)

gavage-rat LD50 [sex: M,F] 3200 ml/kg
(Jenner et al., 1964)

oral-rat LD50 [sex: F] 2.48 ml/kg
(Smyth et al., 1969b)

oral-rat LD50 900 mg/kg
(Smyth & Carpenter, 1948)

oral-mouse LD50 1780 mg/kg
(Damment, 1992)

oral-mammal (species unspecified) LD50 2700 mg/kg
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 32(10), Pg. 25, 1988.

intraperitoneal-mouse LD50 200 mg/kg
National Technical Information Service. Vol. AD277-689

oral-mouse LD50 740 mg/kg
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 26(8), Pg. 53, 1982.

oral-rat LD50 815 mg/kg
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 26(8), Pg. 53, 1982.

Dermal Toxicity:
skin-rabbit LD50 15900 ul/kg
Union Carbide Data Sheet. Vol. 12/27/1971

skin-guinea pig LD50 > 20 ml/kg
Journal of Industrial Hygiene and Toxicology. Vol. 26, Pg. 269, 1944.

subcutaneous-mouse LDLo 330 mg/kg
BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
"Pharmakologische Prufung von Analgetika, Dissertation," Herrlen, G., Pharmakologischen Institut der Universitat Tubingen, Fed. Rep. Ger., 1933Vol. -, Pg. -, 1933.

Inhalation Toxicity:
inhalation-rat LC50 > 210 ppm/8H
Union Carbide Data Sheet. Vol. 12/27/1971

inhalation-mammal (species unspecified) LC50 1200 mg/m3
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 32(10), Pg. 25, 1988.

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for acetophenone usage levels up to:
2.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 15.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 170.00 (μg/capita/day)
Threshold of Concern:1800 (μg/person/day)
Structure Class: I
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 3
Click here to view publication 3
average usual ppmaverage maximum ppm
baked goods: -5.60000
beverages(nonalcoholic): -0.98000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: 0.6000020.00000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -2.80000
fruit ices: -2.80000
gelatins / puddings: -7.00000
granulated sugar: --
gravies: --
hard candy: -3.60000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: -7.00000
soups: --
sugar substitutes: --
sweet sauces: --

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) related to Flavouring Group Evaluation 16 (FGE.16): Aromatic ketones from chemical group 21 (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf

Flavouring Group Evaluation 16, Revision 1 (FGE.16Rev1)[1]: Aromatic ketones from chemical group 21- Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food
View page or View pdf

Flavouring Group Evaluation 69, (FGE.69)[1] - Consideration of aromatic substituted secondary alcohols, ketones and related esters evaluated by JECFA (57th meeting) structurally related to aromatic ketones from chemical group 21 evaluated by EFSA in FGE.16 (2006) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food
View page or View pdf

Flavouring Group Evaluation 16, Revision 2 (FGE.16Rev2): Aromatic ketones from chemical group 21
View page or View pdf

Safety and efficacy of aromatic ketones, secondary alcohols and related esters belonging to chemical group 21 when used as flavourings for all animal species
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 69, Revision 1 (FGE.69Rev1): consideration of aromatic substituted secondary alcohols, ketones and related esters evaluated by JECFA (57th meeting), structurally related to aromatic ketones from chemical group 21 evaluated by EFSA in FGE.16Rev2
View page or View pdf

EPI System: View
EPA-Iris:IRIS
NIOSH International Chemical Safety Cards:search
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA GENetic TOXicology:Search
EPA Substance Registry Services (TSCA):98-86-2
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :7410
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 3334
WGK Germany:1
1-phenylethanone
Chemidplus:0000098862
EPA/NOAA CAMEO:hazardous materials
RTECS:98-86-2