Name | (1S)-(-)-Alpha-Pinene |
Synonyms | Pinene α-Pinene (-)-alpha-Pinene (1S)-(-)-a-pinene (1S)-(-)-pin-2-ene (1S)-(-)-Alpha-Pinene (1S)-(-)-A-PINENE FOR SYNTHESIS (1S)-2,6,6-trimethylbicyclo[3.1.1]-2-heptene (1s)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene (1S)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene (1S,5S)-4,6,6-trimethylbicyclo[3.1.1]hept-3-ene (1R,5R)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene |
CAS | 7785-26-4 |
EINECS | 232-077-3 |
InChI | InChI=1/C10H16/c1-7-4-5-8-6-9(7)10(8,2)3/h4,8-9H,5-6H2,1-3H3/t8?,9-/m0/s1 |
InChIKey | GRWFGVWFFZKLTI-UHFFFAOYSA-N |
Molecular Formula | C10H16 |
Molar Mass | 136.23 |
Density | 0.874g/mLat 25°C |
Melting Point | -64°C(lit.) |
Boling Point | 156-158°C(lit.) |
Specific Rotation(α) | -41.5 º (c=neat) |
Flash Point | 90°F |
JECFA Number | 1329 |
Water Solubility | INSOLUBLE |
Solubility | Chloroform (Sparingly), Methanol (Slightly) |
Vapor Presure | ~3 mm Hg ( 20 °C) |
Vapor Density | 4.7 (vs air) |
Appearance | Liquid |
Color | Clear colorless |
Merck | 14,7445 |
BRN | 1903790 |
Storage Condition | Store at +2°C to +8°C. |
Explosive Limit | 0.8%(V) |
Refractive Index | n20/D 1.466 |
In vitro study | (-)-α-pinene enhances the quantity of non-rapid eye movement sleep (NREMS) without affecting the intensity of NREMS by prolonging GABAergic synaptic transmission, acting as a partial modulator of GABAA-BZD receptors and directly binding to the BZD binding site of GABAA receptor. |
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 R65 - Harmful: May cause lung damage if swallowed R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
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. S16 - Keep away from sources of ignition. S60 - This material and its container must be disposed of as hazardous waste. |
UN IDs | UN 2368 3/PG 3 |
WGK Germany | 1 |
RTECS | DT 7000000 |
FLUKA BRAND F CODES | 10 |
TSCA | Yes |
HS Code | 29021910 |
Hazard Class | 3 |
Packing Group | III |
FEMA | 2902 | ALPHA-PINENE |
LogP | 4.48 at 37℃ |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
biological activity | (-)-α-pinene is a monoterpene, sleep-enhancing properties were shown by direct binding to the GABAA-benzodiazepine (B12) receptor as a partial modulator at the B12 binding site. |
autoignition temperature | 491 ° F. |