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20126-76-5

(-)-Terpinen-4-ol, a monoterpenoid alcohol, is the key constituent of tea tree (Melaleuca alternifolia) oil. It is a clear colorless to yellow liquid.
Used in Analytical Chemistry:
(-)-Terpinen-4-ol is used as a standard for the determination of the composition of Lavandula stoechas essential oil by fast gas chromatography-electronic impact ionization/mass spectrometry (FGC-EI/MS). This application is crucial for accurate identification and quantification of the components in essential oils, which is important for quality control and standardization in the fragrance, cosmetic, and pharmaceutical industries.

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  • 20126-76-5 Structure

  • Basic information

    1. Product Name: (-)-TERPINEN-4-OL
    2. Synonyms: (-)-P-MENTH-1-EN-4-OL;P-MENTH-1-EN-4-OL;(R)-4-Isopropyl-1-methyl-1-cyclohexen-4-ol;3-Cyclohexen-1-ol, 4-methyl-1-(1-methylethyl)-, (R)-;L-4-terpineneol;L-4-terpineol;L-terpinen-4-ol;p-Menth-1-en-4-ol, (R)-(-)-
    3. CAS NO:20126-76-5
    4. Molecular Formula: C10H18O
    5. Molecular Weight: 154.25
    6. EINECS: 2017-001-1
    7. Product Categories: Biochemistry;Monocyclic Monoterpenes;Terpenes
    8. Mol File: 20126-76-5.mol

  • Chemical Properties

    1. Melting Point: 208～210℃
    2. Boiling Point: 212 °C
    3. Flash Point: 90 °C
    4. Appearance: Clear colorless to yellow/Liquid
    5. Density: 0.933
    6. Vapor Pressure: 0.0478mmHg at 25°C
    7. Refractive Index: 1.476-1.482
    8. Storage Temp.: 2-8°C
    9. Solubility: Chloroform (Slightly), Methanol (Slightly)
    10. PKA: 14.94±0.40(Predicted)
    11. CAS DataBase Reference: (-)-TERPINEN-4-OL(CAS DataBase Reference)
    12. NIST Chemistry Reference: (-)-TERPINEN-4-OL(20126-76-5)
    13. EPA Substance Registry System: (-)-TERPINEN-4-OL(20126-76-5)

  • Safety Data

    1. Hazard Codes: Xn
    2. Statements: 36/37/38-22
    3. Safety Statements: 37/39-26
    4. RIDADR: NA 1993 / PGIII
    5. WGK Germany: 3
    6. RTECS:
    7. HazardClass: N/A
    8. PackingGroup: N/A
    9. Hazardous Substances Data: 20126-76-5(Hazardous Substances Data)

20126-76-5 Usage

Synthesis Reference(s)

Synthesis, p. 888, 1983 DOI: 10.1055/s-1983-30550Tetrahedron Letters, 27, p. 1195, 1986 DOI: 10.1016/S0040-4039(00)84214-8

Check Digit Verification of cas no

The CAS Registry Mumber 20126-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,2 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20126-76:
(7*2)+(6*0)+(5*1)+(4*2)+(3*6)+(2*7)+(1*6)=65
65 % 10 = 5
So 20126-76-5 is a valid CAS Registry Number.
InChI:InChI=1/C10H18O/c1-8(2)10(11)6-4-9(3)5-7-10/h4,8,11H,5-7H2,1-3H3/t10-/m0/s1

20126-76-5 Well-known Company Product Price

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  • TCI America

  • (M0319)  (-)-Terpinen-4-ol  >95.0%(GC)

  • 20126-76-5

  • 25mL

  • 550.00CNY

  • Detail

  • Sigma-Aldrich

  • (49598)  (−)-Terpinen-4-ol  analytical standard

  • 20126-76-5

  • 49598-50MG

  • 1,129.05CNY

  • Detail

  • Aldrich

  • (11584)  (−)-Terpinen-4-ol  ≥95.0% (sum of enantiomers, GC)

  • 20126-76-5

  • 11584-25G-F

  • 1,022.58CNY

  • Detail

20126-76-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name (-)-TERPINEN-4-OL

1.2 Other means of identification

Product number -
Other names (-)-p-Menth-1-en-4-ol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:20126-76-5 SDS

20126-76-5Relevant articles and documents

A facile method for the rapid and selective deprotection of methoxymethyl (MOM) ethers

Han, Jae Hyun,Kwon, Young Eun,Sohn, Jeong-Hun,Ryu, Do Hyun

experimental part, p. 1673 - 1677 (2010/04/04)

We describe a rapid and efficient method for selective deprotection of methoxymethyl (MOM) ethers using ZnBr2 and n-PrSH, which completely removed MOM from diverse MOM ethers of primary, secondary, and tertiary alcohols or phenol derivatives. The deprotection takes less than ten minutes with both high yield and selectivity in the presence of other protecting groups. In addition, the rapid deprotection of MOM ethers of tertiary hydroxyls in high yield with no epimerization allows MOM to be a suitable protecting group for tertiary alcohols.

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