Epoxy curing agent Knowledge Ethyl nonanoate Ethyl nonanoate

Ethyl nonanoate Ethyl nonanoate

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Structural formula of ethyl nonanoate

Structural formula

Business number 03GE
Molecular formula C11H22O2
Molecular weight 186.30
label

Ethyl nonanoate,

Ethyl pelargonate,

Ethyl pelargonate,

Ethyl nonylate,

food additives,

Flavor enhancer

Numbering system

CAS number:123-29-5

MDL number:MFCD00009570

EINECS number:204-615-7

RTECS number:RA6845000

BRN number:1759169

PubChem number:24901093

Physical property data

1. Properties: Colorless and transparent liquid with strong grape aroma, rose aroma, fruity and wine aroma.

2. Melting point (ºC): -36.7

3. Boiling point (℃, 101kpa): 227, 119~220ºC (3066pa)

4. Relative Density (d254) : 0.866

5. Refractive index (n20 D): 1.422

6. Solubility: Insoluble in water, soluble in ethanol, ether, acetone and other organic solvents.

7. Relative density (20℃, 4℃): 0.8657

8. Relative density (25℃, 4℃): 0.8616

9. Critical Temperature (ºC): 390.85

10. Flash point (ºC): 94

Toxicological data

1. Acute toxicity: Rat oral LD50: >4300mg/kg

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 54.78

2. Molar volume (cm3/mol): 213.5

3. Isotonic specific volume (90.2K ): 494.5

4. Surface tension (dyne/cm): 28.7

5. Polarizability (10-24cm3): 21.71

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 4

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 9

5. Number of tautomers: none

6. Topological molecule polar surface area 26.3

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 121

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

1. Found in flue-cured tobacco leaves.

2. Naturally found in apple brandy, wheat bread, cocoa, pineapple, banana, and apple.

Storage method

Store in a cool, ventilated warehouse

Synthesis method

1.Unionanoic acid (95%) 930kg and 320kg of ethanol (95%) are directly esterified under the catalysis of sulfuric acid, and then neutralized, washed and distilled to obtain the finished product.

2. Tobacco: FC, 18.

Purpose

1. GB2760-96 stipulates that the use of edible flavors is allowed, and it is mainly suitable for the preparation of fruit-based flavors that require sweetness and sourness, brandy, rum, coconut and other flavors.

2. Commonly used in baked goods, candies, and puddings.

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