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CAS RN: 20126-76-5 | Product Number: M0319

(-)-Terpinen-4-ol (contains 30% (+)-Terpinen-4-ol at maximum)

Purity: >95.0%(GC)
  • (-)-4-Hydroxy-4-isopropyl-1-methyl-1-cyclohexene (contains 30% (+)-Terpinen-4-ol at maximum)
  • (-)-1-Isopropyl-4-methyl-3-cyclohexen-1-ol (contains 30% (+)-Terpinen-4-ol at maximum)
  • (-)-p-Menth-1-en-4-ol (contains 30% (+)-Terpinen-4-ol at maximum)
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Product Number M0319
Purity / Analysis Method >95.0%(GC)
Molecular Formula / Molecular Weight C__1__0H__1__8O = 154.25  
Physical State (20 deg.C) Liquid
CAS RN 20126-76-5
Reaxys Registry Number 1906603
PubChem Substance ID 87572394
MDL Number


Appearance Colorless to Light yellow clear liquid
Purity(GC) min. 95.0 %
Enantiomeric ratio(GC) (-) >70, (+) <30
Properties (reference)
Enantiometric Ratio (er) 70:30
Boiling Point 210 °C
Specific Gravity (20/20) 0.94
Specific Rotation -27.5° (neat)
Refractive Index 1.48
Pictogram Pictogram
Signal Word Warning
Hazard Statements H302 : Harmful if swallowed.
H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H227 : Combustible liquid.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P270 : Do not eat, drink or smoke when using this product.
P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
P403 + P235 : Store in a well-ventilated place. Keep cool.
Related Laws:
Transport Information:
(-)-Terpinen-4-ol: A Monocyclic Monoterpene with Antibacterial and Antifungal Effects

Terpinen-4-ol is a monocyclic monoterpene component of essential oils obtained from several aromatic plants, and reportedly has an antibacterial and antifungal effect. Terpinen-4-ol is an enantio-mixture of the dextro-rotatory (+)-terpinen-4-ol [T2581] and the levo-rotatory (-) form, and both have a similar potency in the activities, as of now.


PubMed Literature


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