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General Material Information

Preferred name laevo-fenchone
Trivial Name (-)-Fenchone
Short Description (1R,4S)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-one
Formula C10 H16 O
CAS Number 7787-20-4
Deleted CAS Number 11000-29-6
FEMA Number 4519
ECHA Number 232-107-5
FDA UNII K6G5Y2Y3Q2
Nikkaji Number J209.323E
Beilstein Number 2042710
MDL MFCD00151104
xLogP3-AA 2.30 (est)
NMR Predictor External link
JECFA Food Flavoring 2200 L-fenchone
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 7787-20-4 ; L-FENCHONE
Synonyms
  • (-)-fenchone
  • (1R,4S)-fenchan-2-one
  • (1R,4S)-fenchone
  • (1R,4S)-(-)-fenchone
  • (1R,4S)-(+)-fenchone
  • (1R,4S)-(+)-1,3,3-trimethyl bicyclo(2.2.1)heptan-2-one
  • (1R,4S)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-one
  • (1theta)-1,3,3-trimethyl bicyclo(2.2.1)heptan-2-one
  • 2-nor bornanone, 1,3,3-trimethyl-, (1R,4S)-(+)-
  • alpha-fenchone
  • bicyclo(2.2.1)heptan-2-one, 1,3,3-trimethyl-, (1R,4S)-
  • bicyclo[2.2.1]heptan-2-one, 1,3,3-trimethyl-, (1R,4S)-
  • fenchone, levo
  • L-fenchone
  • L-alpha-fenchone
  • laevo-fenchone natural
  • laevo-1,3,3-trimethyl norbornan-2-one
  • laevo-1,3,3-trimethylnorbornan-2-one
  • laevo-alpha-fenchone
  • 2-Norbornanone, 1,3,3-trimethyl-, (1R,4S)-(-)-
  • Bicyclo[2.2.1]heptan-2-one, 1,3,3-trimethyl-, (1R)-
  • (1R,4S)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-one
  • (1R)-Fenchone
  • L-(-)-Fenchone
  • (R)-Fenchone
  • (1R)-(-)-Fenchone
  • (R)-(-)-Fenchone

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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
KEGG (GenomeNet):C09859
HMDB (The Human Metabolome Database):HMDB34985
FooDB:FDB013587
Export Tariff Code:2914.50.5000
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 152.23672485352
Specific gravity 0.941 - 0.946 @ 25 °C
Pounds per Gallon 7.83 to 7.872
Refractive Index 1.461 to 1.465 @ 20 °C
Melting Point 5 to 6°C @ 760 mm HG
Boiling Point 192 to 194°C @ 760 mm HG
Vapor Pressure 0.463 mm HG @ 25 °C
Flash Point TCC Value 62.78 °C TCC
logP (o/w) 3.52
Solubility
alcohol Yes
water, 73.14 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Camphoreous
camphoreous, herbal, earthy, woody
Luebke, William tgsc, (1994) At 100.00 %. camphor herbal earthy woody
Flavor Type: Camphoreous
cooling, camphoreous, minty, medicinal, earthy, humus
Luebke, William tgsc, (1994) Cooling camphoreous minty medicinal earthy humus

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 36/38 - Irritating to skin and 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 - Wear suitable protective clothing.
 
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
Flammable liquids (Category 3), H226
 
GHS Label elements, including precautionary statements
 
Pictogram 
 
Signal wordWarning
Hazard statement(s)
H226 - Flammable liquid and vapour
 
Precautionary statement(s)
P210 - Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 - Keep container tightly closed.
P240 - Ground/bond container and receiving equipment.
P241 - Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242 - Use only non-sparking tools.
P243 - Take precautionary measures against static discharge.
P280 - Wear protective gloves/protective clothing/eye protection/face protection.
P303 + P361 + P353 - IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
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.
 
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

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 laevo-fenchone usage levels up to:
5.0000 % in the fragrance concentrate.
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: 24
Click here to view publication 24
average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): 0.010000.10000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: 0.100005.00000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: 0.050000.50000
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: --
soups: --
sugar substitutes: --
sweet sauces: --

Safety references

EPI System: View
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):7787-20-4
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :82229
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 1224
WGK Germany:3
(1R,4S)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-one
Chemidplus:0007787204
RTECS:RB7875000 for cas# 7787-20-4