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 |
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. |
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). |
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) |