Toluene diisocyanate manufacturer Knowledge 2-Ethoxy-5-(1-propenyl)phenol 2-Ethoxy-5-(1-propenyl)phenol

2-Ethoxy-5-(1-propenyl)phenol 2-Ethoxy-5-(1-propenyl)phenol

2-ethoxy-5-(1-propenyl)phenol structural formula

Structural formula

Business number 028A
Molecular formula C11H14O2
Molecular weight 178.23
label

2-ethoxy-5-(1-propenyl)phenol,

1-ethoxy-2-hydroxy-4-isopropylenebenzene,

Rich and fragrant vanillin,

Propenylguaethol,

C2H5OC6H3(CH=CHCH3)OH

Numbering system

CAS number:94-86-0

MDL number:MFCD00009283

EINECS number:202-370-0

RTECS number:SL3850000

BRN number:None

PubChem number:24853639

Physical property data

1. Properties: scaly white crystals or powder. It has a strong aroma similar to vanillin.

2. Density (g/mL, 20℃): Undetermined

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

4. Melting point (ºC): 86-88

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

6. Boiling point (ºC, mmHg): Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

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

11. Vapor pressure (mmHg, ºC): Undetermined

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: Easily soluble in most vegetable oils, edible solvents and essential oils , extremely difficult to dissolve in water.

Toxicological data

1. Acute toxicity: Rat oral LD50: 2400mg/kg;

Ecological data

None

Molecular structure data

1. Molar refractive index: 55.33

2. Molar volume (cm3/mol): 169.3

3. Isotonic specific volume (90.2K ): 421.6

4. Surface tension (dyne/cm): 38.4

5. Polarizability (10-24cm3): 21.93

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): 2.9

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: 3

6. Topological molecular polar surface area (TPSA): 29.5

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 166

10 , Number of isotope atoms: 0

11. Number of determined atomic stereocenters: 0

12. Number of uncertain atomic stereocenters: 0

13. The number of stereocenters of determined chemical bonds: 1

14. The number of stereocenters of uncertain chemical bonds: 0

15. The number of covalent bond units: 1

Properties and stability

None

Storage method

None

Synthesis method

It is produced by alkaline hydrolysis of 1-ethoxy-2-methoxy-4-propenylbenzene in ethanol or methanol solution at 150~190℃ and under pressure; or in ethylene glycol solution at normal pressure Hydrolyzed by heating.

Purpose

GB 2760-1996 stipulates that edible spices are temporarily allowed to be used. Mainly used as vanillin substitute and preparation of chocolate flavor.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/21151

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