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alpha-Pinene competitive product CAS NO.80-56-8

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  • ProName: alpha-Pinene competitive product
  • CasNo: 80-56-8
  • Molecular Formula: C10H16
  • Appearance: according to email quotation
  • Application: pharmaceutical raw materials
  • DeliveryTime: Within 3 days after payment
  • PackAge: foil aluminium bag/vacuum packing
  • Port: Shanghai
  • ProductionCapacity: 100 Kilogram/Week
  • Purity: 99%
  • Storage: Keep in dry and cool condition
  • Transportation: by air or by sea
  • LimitNum: 1 Kilogram
  • CAS No.: 80-56-8
  • Synonyms: α-Pinene 80-56-8;(±)-pin-2-ene
  • Formula: C10H16
  • Molecular Weight: 136.23


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Synonyms: α-Pinene 80-56-8;(±)-pin-2-ene;,6,6-Trimethyl-bicyclo[3.1.1]hept-2-ene;2,6,6-trimethylbicyclo-(3,1,1)-2-heptene;2,6,6-Trimethylbicyclo(3.1.1)-2-hept-2-ene;2,6,6-Trimethylbicyclo(3.1.1)-2-heptene;pin-2-ene;Terpene hydrocarbon
CAS: 80-56-8
MF: C10H16
MW: 136.23
EINECS: 201-291-9
Product Categories: Alkenes;Cyclic;Organic Building Blocks
Mol File: 80-56-8.mol
alpha-Pinene Structure
alpha-Pinene Chemical Properties
Melting point -55°C
Boiling point 155-156 °C(lit.)
density 0.858 g/mL at 25 °C(lit.)
refractive index n20/D 1.465(lit.)
Fp 90 °F
storage temp. Flammables area
form Liquid
color Clear colorless
Water Solubility insoluble
Merck 13,7527
JECFA Number 1329
Stability: Stable. Flammable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 80-56-8(CAS DataBase Reference)
NIST Chemistry Reference «alpha»-Pinene(80-56-8)
EPA Substance Registry System Bicyclo[3.1.1]hept- 2-ene, 2,6,6-trimethyl-(80-56-8)
Safety Information
Hazard Codes Xi,N,Xn,F
Risk Statements 10-36/37/38-43-50-65-51/53-38-36/38-20
Safety Statements 26-36/37-61-37/39-29-16-36/37/39-7/9-62
RIDADR UN 2368 3/PG 3
WGK Germany 1
RTECS DT7000000
Autoignition Temperature 491 °F
HazardClass 3.2
PackingGroup III
HS Code 29021990
Hazardous Substances Data 80-56-8(Hazardous Substances Data)
MSDS Information
alpha-Pinene Usage And Synthesis
Chemical Properties liquid with a turpentine odour
Chemical Properties α-Pinene is the most widespread pinene isomer. (+)-α-Pinene, (1R,5R)-2,6,6-trimethylbicyclo[3.3.1]hept-2-ene, occurs, for example, in oil from Pinus palustris Mill., at a concentration up to 65%; oil from Pinus pinaster Soland and American oil from Pinus caribaea contain 70% and 70–80%, respectively, of the laevorotatory isomer, ( )-α-Pinene, (1S,5S)-2,6,6-trimethylbicyclo[3.3.1]hept-2-ene.
α-Pinene undergoes many reactions, of which the following are used in the fragrance industry: upon hydrogenation, α-pinene is converted to pinane, which has become an important starting material in the industrial processes used in the fragrance and flavor industry. α-Pinene can be isomerized to β-pinene with high selectivity for β-pinene formation. Hydration with simultaneous ring opening yields terpineol and cis-terpin hydrate. Pyrolysis of α-pinene yields a mixture of ocimene and alloocimene.
Pure α-pinene is obtained by distillation of turpentine oils. As a fragrance substance, it is used to improve the odor of industrial products.However, it is farmore important as a starting material in industrial syntheses, for example, terpineols, borneol, and camphor.
Chemical Properties α-Pinene has a characteristic odor of pine. It is turpentine-like. The oxidized material has a resin-like odor.
Occurrence The structure would account for the presence of four optically active and two optically inactive isomers; although only d-, l-, and dl-α-pinene are known, however; presence of one or more isomers has been reported in more than 400 essential oils; in the largest amounts it has been reported found in Achillea millefolium (d-), Artemisia tridentata (d-), Italian rosemary (l-), wild thyme (l-), French lavender (l-), coriander (d-, dl-), cumin (d, dl-), labdanum (l-), neroli (l-), lemon, Litsea cubeba (d-) and ylang-ylang (d-). It is also reported in over 200 natural products including apple, apricot, many citrus juices and peel oils, bilberry, cranberry, lingonberry, blackberry, currants, guava, raspberry, strawberry, orange, lime, grapefruit, mandarin, tangerine oils and juices, various spices, mint essential oils, carrot, celery, cooked potato, bell pepper, tomato, anise, cinnamon, cassia leaf, clove, cumin, ginger, Mentha oils, nutmeg, mace, pepper, parsley, thyme, Swiss and cheddar cheese, cream, fatty fish, fried chicken, beef fat, hop oil, rum, bourbon whiskey, tea, roasted filberts, pecans, oats, soybean, plum, mushroom, sweet and wild marjoram, starfruit, mango, tamarind, cardamom, coriander, gin, rice, litchi, calamus, dill, lovage, caraway seed, buckwheat, laurel, fennel, kiwifruit, myrtle leaf and berry, rosemary, buchu oil, Bourbon vanilla, Spanish and clary sage, nectarine, crayfish, clam, cape gooseberry, anise hyssop, angelica root oil, Roman and German chamomile oil, eucalyptus oil, bullock’s heart and mastic gum leaf and fruit oil.
Uses α-Pinene was used as standard in headspace solid-phase microextraction-gas chromatographic analysis of volatile compounds in virgin olive oils 1 . It was used in the synthesis of cesium-doped heteropolyacid having potential application in biodiesel synthesis.
Uses α-Pinene was used as standard in headspace solid-phase microextraction-gas chromatographic analysis of volatile compounds in virgin olive oils. It was used in the synthesis of cesium-doped heteropolyacid having potential application in biodiesel synthesis
Definition ChEBI: A pinene that is bicyclo[3.1.1]hept-2-ene substituted by methyl groups at positions 2, 6 and 6 respectively.
Preparation From turpentine, by distillation.
Aroma threshold values Detection: 2.5 to 62 ppb. Aroma characteristics at 1.0%: terpy citrus and spicy, woody pine and turpentinelike with a slight cooling camphoraceous nutmeglike nuance, a fresh herbal lift and a tropical fruit top note.
Taste threshold values Taste characteristics at 10 ppm: intense, woody, piney and terpy with camphoraceous and turpentine notes. It has herbal, spicy and slightly tropical mango nuances.
General Description A clear colorless liquid with a turpentine odor. Flash point 91°F. Less dense than water and insoluble in water. Vapors are heavier than air. Used as a solvent.
Air & Water Reactions Highly flammable. Insoluble in water.
Reactivity Profile alpha-Pinene may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release gaseous hydrogen.
Health Hazard Harmful if swallowed, inhaled or absorbed through skin. High concentrations are extremely destructive to mucous membrane and upper respiratory tract, eyes and skin. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.
Fire Hazard Special Hazards of Combustion Products: Vapor may travel considerable distance to source of ignition and flashback. Container explosion may occur during fire conditions. Forms explosive mixtures in air.
Contact allergens Alpha-pinene is the major constituent of turpentine (about 80%). It exists in levogyre form in European turpentine and in dextrogyre form in turpentine found in North-Americans. Sensitization occurs mainly in painters, polishers, and varnishers, and in those in the perfume and in the ceramics industry.
Safety Profile A deadly poison by inhalation. Moderately toxic by ingestion. An eye, mucous membrane, and severe human skin irritant. Flammable liquid. A dangerous fire hazard when exposed to heat, flame, or oxidizing materials. To fight fire, use foam, Co2, dry chemical. Explodes on contact with nitrosyl perchlorate.
alpha-Pinene Preparation Products And Raw materials
Preparation Products Camphene-->Dihydromyrcenol-->(1S)-(-)-alpha-Pinene
Raw materials Turpentine oil

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