Alpha-Terpineol

Product Name:

alpha-Terpineol

Synonyms:

1-Methyl-4-(1-hydroxy-1-methylethyl)-1-cyclohexene;4-(1-Hydroxy-1-methylethyl)-1-methyl-1-cyclohexene;α,α,4-Trimethyl-3-cyclohexene-1-methanol;TERPINEOL, a-(P);alpha-Terpineol, 97+% 25GR;2-(4-Methylcyclohex-3-en-1-yl)propan-2-ol;alfa-terpineol;alpha-Terpineol 90%, technical grade

CAS:

98-55-5

MF:

C10H18O

MW:

154.25

EINECS:

202-680-6

Product Categories:

Tri-Terpenoids;Biochemistry;Monocyclic Monoterpenes;Terpenes

Mol File:

98-55-5.mol

Melting point 

31-34 °C

Boiling point 

213-218 °C(lit.)

density 

0.934 g/mL at 20 °C(lit.)

FEMA 

3045 | ALPHA-TERPINEOL

refractive index 

1.482-1.485

Fp 

90 °C

storage temp. 

2-8°C

solubility 

0.71g/l

form 

Liquid After Melting

pka

15.09±0.29(Predicted)

Specific Gravity

0.9386

color 

Clear colorless

Water Solubility 

negligible

JECFA Number

366

Merck 

14,9171

BRN 

2325137

InChIKey

WUOACPNHFRMFPN-UHFFFAOYSA-N

CAS DataBase Reference

98-55-5(CAS DataBase Reference)

NIST Chemistry Reference

3-Cyclohexene-1-methanol, «alpha»,«alpha»4-trimethyl-(98-55-5)

EPA Substance Registry System

.alpha.-Terpineol (98-55-5)

Hazard Codes 

Xi

Risk Statements 

10-38-36/37/38

Safety Statements 

16-37-26-37/39

RIDADR 

UN1230 - class 3 - PG 2 - Methanol, solution

WGK Germany 

1

RTECS 

WZ6700000

TSCA 

Yes

HS Code 

29061400

Hazardous Substances Data

98-55-5(Hazardous Substances Data)

Chemical Properties

Clear colorless liquid after melting

Chemical Properties

α-Terpineol has a characteristic lilac odor with a sweet taste reminiscent of peach on dilution.

Occurrence

Reported found in more than 150 derivatives from leaves, herbs and flowers; the d-, l- and dl-isomers are known: the d-form is found in the essential oils from Cupressaceae in general; also in the oils of Elettaria cardamomum, star anise, marjoram, clary sage, neroli and others. The l-form is found in Satureia montana, lavandin, cajeput, lime, lemon, cinnamon leaves and the distillates from Pinaceae (with exception of Pinus silvestris, which contains d-terpineol together with racemic form); likewise, Nectandra elaiophora (wood) and petitgrain bigarade. The racemic form is found in cajenne linalool, Thymus caespititius, cajeput, Eucalyptus globulus; mixed with the l-form it is found in petitgrain; a nondefined form of terpineol has been reported in the bitter orange. Reported found in over 260 natural sources including apple, apple juice, apricot, sweet and sour cherry, citrus peel oils and juices, orange, lemon, lime, grapefruit, tangerine, mandarin peels oils and juices, bergamot, cranberry, blueberry, black currant, raspberry, strawberry, guava, grapes, raisin, melon, papaya, peach, pear, pineapple, carrot, celery, peas, potato, bell pepper, tomato, anise, cinnamon, clove, cumin seed, ginger, Mentha oils, pepper, mace, parsley, nutmeg, thyme, Gruyere cheese, parmesan cheese, butter, cooked chicken and beef, hop oil, beer, cognac, rum, wines, tea, nuts, honey, avocado, passion fruit, prune, plums, beans, mushroom, sweet and wild marjoram, starfruit, mango, tamarind, parsnip root, cardamom, coriander seed, rice, quince, litchi, calamus, dill, licorice, lovage root, juniper berry, corn oil, laurel, sweet and bitter fennel, wort, elderberry, loquat, myrtle berry, rosemary, buchu oil, Bourbon vanilla, mountain papaya, turmeric, clary sage, lemon balm, nectarines, naranjilla fruit, cape gooseberry and sea buckthorn.

Uses

Shows antioxidant effects. Antiseptic. is present in many extracted oils of various plant species, acts as an antihypernociception and anti-inflammatory.