Epoxy curing agent Knowledge DL-phenylalanine

DL-phenylalanine

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DL-phenylalanine structural formula

Structural formula

Business number 03Y4
Molecular formula C9H11NO2
Molecular weight 165.19
label

DL-Alpha-phenylalanine,

(±)-2-Amino-3-phenylpropionic acid

Numbering system

CAS number:150-30-1

MDL number:MFCD00064225

EINECS number:205-756-7

RTECS number:None

BRN number:3198807

PubChem number:24887249

Physical property data

1. Physical property data:


1. Characteristics: White flake crystals or crystalline powder


2. Melting point (ºC): 266-267 ºC


3. Solubility:Soluble in water, dilute inorganic acid and alkaline hydroxide solution.��Extremely difficult to dissolve in ethanol.

Toxicological data

None

Ecological data

3. Ecological data:


Other harmful Effect: This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data


5. Molecular property data:


1. Molar refractive index:45.49


2. Molar volume (m3/mol):137.4


3. Isotonic specific volume (90.2K):371.8


4. Surface tension (dyne/cm):53.5


5. Polarizability(10-24cm3):18.03

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 63.3

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 153

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 1

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

Stable under normal temperature and pressure.
Incompatible materials: strong oxidizing agents

Storage method

Save in a dry and cool place.

Synthesis method

Composed of acetylL-phenylalanine It is racemized under alkaline conditions, then hydrolyzed with hydrochloric acid to remove the acetyl group, neutralized and refined.

Purpose

1. Used as nutritional supplements and food additives.


2. Nutritional supplements and beverage additives. It can be used as a pharmaceutical raw material, and can be used as an amino acid and sweetener intermediate when broken down.

5pt” align=left>4. Surface Tension ( dyne/cm): 53.5


5. Polarizability(10-24cm3):18.03

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 63.3

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 153

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 1

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

Stable under normal temperature and pressure.
Incompatible materials: strong oxidizing agents

Storage method

Save in a dry and cool place.

Synthesis method

Composed of acetylL-phenylalanine It is racemized under alkaline conditions, then hydrolyzed with hydrochloric acid to remove the acetyl group, neutralized and refined.

Purpose

1. Used as nutritional supplements and food additives.


2. Nutritional supplements and beverage additives. It can be used as a pharmaceutical raw material, and can be used as an amino acid and sweetener intermediate when broken down.

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