Epoxy curing agent Knowledge γ-Terpinene γ-Terpinene

γ-Terpinene γ-Terpinene

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γ-terpinene structural formula

Structural formula

Business number 02GK
Molecular formula C10H16
Molecular weight 136.23
label

1-Methyl-4-(1-methylethyl)-1,4-cyclohexadiene,

GAMMA-terpinene, terpinene,

GAMMA-terpinene,

1,4-pair【grass(above)+meng】diene {Γ-terpinene},

γ-terpinene,

1-Isopropyl-4-methyl-1,4-cyclohexadiene,

p-Mentha-1,4-diene,

P-Mentha-1,4-diene,

Terpinene, gamma-,

1,4-Cyclohexadiene, 1-methyl-4-isopropyl-,

1-Isopropyl-4-methyl-1,4-cyclohexadiene (gamma-terpinene),

1-Isopropyl-4-methyl-cyclohexa-1,4-diene,

1-Methyl-4-(1-methylethyl)-1,4-cyclohexadiene,

1-Methyl-4-(1-methylethyl)-4-cy

Numbering system

CAS number:99-85-4

MDL number:MFCD00001537

EINECS number:202-794-6

RTECS number:OS8070000

BRN number:2038347

PubChem number:24888685

Physical property data

1. Properties: colorless liquid.

2. Density (g/mL, 20℃): 0.85

3. Relative vapor density (g/mL, air=1): 4.7

4. Melting point (ºC): Undetermined

5. Boiling point (ºC, normal pressure): 182

6. Boiling point (ºC, kPa): Undetermined

7. Refractive index: 1.474

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (mmHg, 20.2ºC): ~0.7

12. Saturated vapor pressure (kPa, ºC ): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC): Undetermined

15. Critical Pressure (KPa): Undetermined

16. Log value of oil-water (octanol/water) distribution coefficient: Undetermined

17. Explosion upper limit (%, V/V): Undetermined

18. Lower explosion limit (%, V/V): Undetermined

19. Solubility: Soluble in ethanol and most non-volatile oils, insoluble in water.

Toxicological data

1. Skin/eye irritation: Standard Dresser test: rabbit skin contact, 500mg/24HREACTION SEVERITY, moderate reaction; 2. Acute toxicity: rat oral LD50.�3650mg/kg;

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 45.44

2. Molar volume (cm3/mol): 161.1

3. Isotonic specific volume (90.2K ): 366.6

4. Surface tension (dyne/cm): 26.8

5. Dielectric constant: 2.65

6. Dipole moment (10-24cm3):

7. Polarizability: 18.01

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.8

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 10

8. Surface charge: 0

9. Complexity: 171

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None yet

Storage method

None yet

Synthesis method

Isolated from Lantana camara essential oil.
It is obtained by reacting p-isopropyltoluene with ethanol and sodium in liquid ammonia (Birch reaction).

Purpose

Spice. Mainly used to prepare artificial lemon and peppermint essential oils.

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