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L-(-)-alpha-pinene

Chemical Structure

General Material Information

Preferred name L-(-)-alpha-pinene
Trivial Name (-)-α-Pinene
Short Description L-alpha-pinene
Formula C10 H16
CAS Number 7785-26-4
FEMA Number 2902
ECHA Number 232-077-3
FDA UNII TZR3GM95PR
Nikkaji Number J95.400D
Beilstein Number 1903790
MDL MFCD00064145
xLogP3-AA 2.80 (est)
NMR Predictor External link
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
Synonyms
  • (-)- pin-2(3)-ene
  • (-)-a- pinene
  • (1S,5S)-2-pinene
  • (1S)-(-)-alpha- pinene
  • L-(-)-alpha- pinene
  • L-alpha- pinene
  • laevo-alpha- pinene
  • alpha- pinene L-, natural
  • alpha- pinene laevo natural
  • alpha- pinene laevo-
  • (1S,5S)-2,6,6-trimethyl bicyclo(3.1.1)hept-2-ene
  • (1S,5S)-4,7,7-trimethylbicyclo[3.1.1]hept-3-ene
  • (1S,5S)-4,7,7-trimethylbicyclo[3.1.1]hept-3-ene
  • Bicyclo[3.1.1]hept-2-ene, 2,6,6-trimethyl-, (1S,5S)-
  • 2-Pinene, (1S,5S)-(-)-
  • Bicyclo[3.1.1]hept-2-ene, 2,6,6-trimethyl-, (1S)-
  • (1S,5S)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene
  • l-α-Pinene
  • (1S,5S)-(-)-α-Pinene
  • (-)-2-Pinene
  • (S)-(-)-α-Pinene
  • (-)-α-Pinene
  • (1S)-(-)-α-Pinene
  • (-)-(1S)-α-Pinene
  • 1S-α-Pinene
  • (S)-(-)-Pinene

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

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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
CHEBI:View
CHEMBL:View
UM BBD:Search
KEGG (GenomeNet):C06308
HMDB (The Human Metabolome Database):HMDB35658
FooDB:FDB014374
Export Tariff Code:2902.19.0050
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View

PhysChem Properties

Material listed in food chemical codex Yes
Molecular weight 136.23751831055
Specific gravity @ 20 °C
Pounds per Gallon 7.148 to 7.181
Refractive Index 1.464 to 1.468 @ 20 °C
Optical Rotation -52 to -39
Melting Point -64 to -61°C @ 760 mm Hg
Boiling Point 155 to 157°C @ 760 mm Hg
Vapor Pressure 3.489 mmHg @ 25 °C
Vapor Density 4.7
Flash Point TCC Value 32.78 °C TCC
logP (o/w) 4.48
Solubility
alcohol Yes
water, 4.071 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Herbal
sharp, warm, resinous, fresh, pine, terpenic, earthy, woody
Luebke, William tgsc, (1996) At 10.00 % in dipropylene glycol. sharp warm resinous fresh pine
General comment Sharp, terpenic, conifers

Occurrences

Potential Uses

Applications
Odor purposes Balsam, Citrus, Herbal, Pine
Other purposes Fir
Cosmetic purposes Perfuming agents

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xn N - Harmful, Dangerous for the environment.
R 10 - Flammable.
R 22 - Harmful if swallowed.
R 36/38 - Irritating to skin and eyes.
R 50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
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 60 - This material and its container must be disposed of as hazardous waste.
S 61 - Avoid release to the environment. Refer to special instructions/safety data sheet.
S 62 - If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50 3700 mg/kg

Dermal Toxicity:
skin-rabbit LD50 > 5000 mg/kg

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 L-(-)-alpha-pinene usage levels up to:
10.0000 % 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: 3
Click here to view publication 3
average usual ppmaverage maximum ppm
baked goods: -160.00000
beverages(nonalcoholic): 16.0000054.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: 2.60000150.00000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -64.00000
fruit ices: -64.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -48.00000
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

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

Scientific Opinion on Flavouring Group Evaluation 25Rev1: Aliphatic and aromatic hydrocarbons from chemical group 31
View page or View pdf

EPI System: View
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):7785-26-4
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :440968
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 2368
WGK Germany:1
(1S,5S)-4,7,7-trimethylbicyclo[3.1.1]hept-3-ene
Chemidplus:0007785264