alpha-pinene
alpha-pinene
CAS: 2437-95-8;80-56-8
Molecular Formula: C10H16
alpha-pinene - Names and Identifiers
alpha-pinene - Physico-chemical Properties
| Molecular Formula | C10H16 |
| Molar Mass | 136.23 |
| Density | 0.858g/mLat 25°C(lit.) |
| Melting Point | -55 °C |
| Boling Point | 155-156°C(lit.) |
| Flash Point | 90°F |
| Water Solubility | insoluble |
| Vapor Presure | 3.49mmHg at 25°C |
| Refractive Index | n20/D 1.465(lit.) |
| Physical and Chemical Properties | The main component of turpentine oil was 86% in Pinus massoniana turpentine. Colorless transparent liquid, with the unique odor of the pine. melting point -102.2 ℃ boiling point 155~156.2 ℃ relative density 0.8582~0.8592 refractive index 1.4658~1.4664 solubility insoluble in water, soluble in ethanol, ether, acetic acid and other organic solvents, soluble in rosin. |
| Use | Used as a solvent for paint, wax, etc., and raw materials for the preparation of pinene, terpineol, borneol, synthetic camphor, synthetic resin, etc. |
alpha-pinene - Risk and Safety
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R50 - Very Toxic to aquatic organisms |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2368 3/PG 3 |
| WGK Germany | 1 |
| RTECS | DT7000000 |
| HS Code | 29021910 |
alpha-pinene - Upstream Downstream Industry
| Raw Materials | Oil of turpentine Oil of turpentine |
| Downstream Products | Camphene 2,6-Dimethyloct-7-en-2-ol |
alpha-pinene - Nature
Open Data Verified Data
There are two kinds of isomers of a pinene and beta ENE. Pinene is the main component of turpentine, accounting for 86% in Pinus massoniana turpentine. Β pinene is a secondary component of turpentine, accounting for 5% in Pinus massoniana turpentine. Colorless transparent liquid, with the unique odor of the pine, there are left, right, racemic three. Insoluble in water, soluble in ethanol, ether, acetic acid and other organic solvents, soluble in rosin.
Last Update：2024-01-02 23:10:35
alpha-pinene - Preparation Method
Open Data Verified Data
obtained by fractional distillation of turpentine under reduced pressure.
Last Update：2022-01-01 10:38:39
alpha-pinene - Use
Open Data Verified Data
important organic synthesis raw materials, can be used for the synthesis of a series of perfume products, as well as synthetic camphor, borneol, etc.; Pinene by ozone oxidation of pinone acid, and then further oxidation of gallic acid, thus, plant growth stimulating hormone, synthetic lubricant, plasticizer, etc. can be prepared; Pinene can also be
Made of pinene resin, etc.; Can also be used as a solvent such as lacquer wax.
Last Update：2022-01-01 10:38:39
alpha-pinene - Safety
Open Data Verified Data
This product is non-toxic. In case of high temperature, open flame, oxidant combustion risk. Should be stored in a cool, ventilated place, away from the flame heat source, to prevent sun exposure, and oxidant (including nitric acid) stored separately, packaging to be sealed, handling light light unloading, to prevent damage. Is Class II flammable liquid, railway Code No. 62055.
Last Update：2022-01-01 10:38:40
alpha-pinene - Reference Information
Open Data Unverified Data
| effect | 1, anti-tumor effect Zhang Z et al. in the study of the effect of α-pinene on non-small cell lung cancer, α-pinene combined with paclitaxel to treat A549 cells, through the combination of drugs can increase the effect of paclitaxel on tumor inhibition. The results showed that α-pinene could significantly promote tumor cell apoptosis. This is mainly due to the synergistic effect when combined with paclitaxel. Further research mechanism shows that when α-pinene is combined with paclitaxel, the proportion of G0/G1 phase cells can be significantly increased, and there are changes in cell morphology, such as chromatin condensation, nuclear fragmentation and other changes, to lead to the production of tumor cell apoptosis. 2, antifungal effect the main components in the cell wall of Candida albicans are chitin, glucose and mannan, the chemical composition in the cell membrane is mainly ergosterol, nucleic acid is mainly DNA, a small amount of RNA. The synthesis of these components can lead to the death of bacterial cells. Xia Zhongdi and others found that α-pinene has obvious inhibition on the synthesis of chitin and polysaccharide components in the cell wall of Candida albicans, the synthesis of ergosterol in the cell membrane and the synthesis of nucleic acid DNA and RNA. Among them, the inhibition of ergosterol synthesis is more obvious. Pichette A and other studies also found that α-pinene has anti-inflammatory, antibacterial and antioxidant effects. 3. Anti-allergic and ulcer improvement In Nam SY et al.'s study on the inhibitory effect of α-pinene on allergic rhinitis in mice, it was found that the expression of IL-4 in spleen lymphocytes was reduced, and IgE, α-TNF, ICAM-1 and macrophage inflammatory protein -2 in nasal mucosa were reduced. Increased eosinophils and mast cells in mice were also significantly reduced after α-pinene treatment. In addition, in the study of α-pinene on the HMC-1 of human mast cell lines, α-pinene can inhibit the activities of phosphorylated RIP2, IKK-β, NF-κB and caspase-1 after sensitization. Therefore, α-pinene is considered as an antiallergic agent. in the study of improving ulcer, α-pinene extracted from Mde A et al. was Pinheiro to treat gastric ulcer in mice, and it was found that α-pinene has significant anti-ulcer activity. |
| Application | Used for the synthesis of linalool, nerol, geraniol, laurenol and its esters, norfenol, norfenol acetate, citral, ionone, citronellol and aldehydes, hydroxycitronellal and its esters, neogluraldehyde, neoglurinonitrile, longdanone, terene resin, etc. It is an important raw material for synthesizing spices and flavors. |
Last Update：2024-04-12 11:19:16
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Raw Materials for alpha-pinene
Downstream Products for alpha-pinene