ALPHA-TERPINOLENE
terpinolene
CAS: 586-62-9
Molecular Formula: C10H16
ALPHA-TERPINOLENE - Names and Identifiers
| Name | terpinolene |
| Synonyms | nofmertp terpinolene isoterpinene ALPHA-TERPINOLENE p-Mentha-1,4(8)-diene p-mentha-1,4(8)-diene p-mentha-2,4(8)-diene 4-ISOPROPYLIDENE-1-METHYLCYCLOHEXENE 1-methyl-4-(propan-2-ylidene)cyclohexene 3-methyl-6-(propan-2-ylidene)cyclohexene 1-methyl-4-(1-methylethylidene)cyclohexene |
| CAS | 586-62-9 |
| EINECS | 205-341-0 |
| InChI | InChI=1/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,6,9H,5,7H2,1-3H3 |
| InChIKey | MOYAFQVGZZPNRA-UHFFFAOYSA-N |
ALPHA-TERPINOLENE - Physico-chemical Properties
| Molecular Formula | C10H16 |
| Molar Mass | 136.23 |
| Density | 0.861 g/mL at 25 °C (lit.) |
| Boling Point | 184-185 °C (lit.) |
| Flash Point | 148°F |
| JECFA Number | 1331 |
| Water Solubility | 6.812mg/L(25 ºC) |
| Vapor Presure | ~0.5 mm Hg ( 20 °C) |
| Vapor Density | ~4.7 (vs air) |
| Appearance | clear liquid |
| Specific Gravity | 0.84 |
| Color | Colourless or pale straw-coloured liquid. |
| BRN | 1851203 |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.489(lit.) |
| Physical and Chemical Properties | Colorless to light grass yellow oily liquid, with aromatic pine aroma and micro-sweet citrus flavor. The boiling point is 183~185 °c, and the flash point is 64 °c. Relative density (d420)0.8620, refractive index (nD20)1.4900. Insoluble in water, soluble in ethanol. Easy to self-polymerize. Natural products are found in sandalwood, pine and fir. |
ALPHA-TERPINOLENE - Risk and Safety
| Hazard Symbols | N - Dangerous for the environment |
| Risk Codes | R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R65 - Harmful: May cause lung damage if swallowed R43 - May cause sensitization by skin contact |
| Safety Description | S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S24/25 - Avoid contact with skin and eyes. S22 - Do not breathe dust. S23 - Do not breathe vapour. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 2541 3/PG 3 |
| WGK Germany | 3 |
| RTECS | WZ6870000 |
| FLUKA BRAND F CODES | 10 |
| HS Code | 29021990 |
| Hazard Class | 3.2 |
| Packing Group | III |
| Toxicity | The acute oral LD50 value in rats was reported as 4.39 ml/kg (Levenstein, 1975) and similarly that in mice and rats was reported to be 4.4 ml/kg (Hisamitsu Pharmaceutical Co., Inc., 1973). The acute dermal LD50 value in rabbits exceeded 5 g/kg (Levenstein, 1975). |
ALPHA-TERPINOLENE - Reference Information
| FEMA | 3046 | TERPINOLENE |
| LogP | 4.33-4.38 at 20-37℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| isolefinene | isolefinene is made by isomerism of turpentine. It is a colorless to pale yellow liquid with a pine resin aroma. Mainly used as food additives. |
| toxicity | can be safely used in food (FDA, 172.515,2000). |
| usage limit | FEMA(mg/kg): beverage 16; Cold drink 64; Candy 0.12~48; Baked food 49. |
| use | GB 2760-1996 specified as allowed food spices. Used as a variety of industrial solvents |
| production method | obtained from pinene treated with sulfuric acid ethanol solution. |
| category | flammable liquid |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50: 4390 mg/kg |
| flammability hazard characteristics | flammability |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from oxidant storage and transportation |
| fire extinguishing agent | dry powder, carbon dioxide, sand, foam |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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