DL-aspartic acid

DL-aspartic acid structural formula

DL-aspartic acid structural formula

Structural formula

Business number 06J0
Molecular formula C4H7NO4
Molecular weight 133.10

2-aminosuccinic acid,

DL-aspartic acid,

DL-Aminosuccinic acid,

aspartic acid,

2-Aminobutanedioic acid,



Numbering system

CAS number:617-45-8

MDL number:MFCD00063083

EINECS number:210-513-3

RTECS number:CI9097800

BRN number:774618

PubChem number:24891394

Physical property data

1. Properties: white monoclinic prismatic crystal.

2. Density (g/mL, 25/4℃): (d12.5/12.5) 1.514

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

4. Melting point (ºC): 338-339 (278-280)

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

6. Boiling point (ºC, 5.2kPa): Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

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

11. Vapor pressure (kPa, 25ºC): Undetermined

12. Saturated vapor pressure (kPa, 60ºC): 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) partition coefficient: Undetermined

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

18. Explosion lower limit (%, V/V): Undetermined

19. Solubility: Slightly soluble in water, insoluble in ethanol and ether.

Toxicological data


Ecological data

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

Molecular structure data

1. Molar refractive index: 27.20

2. Molar volume (cm3/mol): 87.8

3. Isotonic specific volume (90.2K): 261.3

4. Surface tension (dyne/cm): 78.2

5. Polarizability (10-24cm3): 10.78

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): -2.8

2. Number of hydrogen bond donors: 3

3. Hydrogen bonds Number of receptors: 5

4, rotatableNumber of chemical bonds: 3

5. Topological molecular polar surface area (TPSA): 101

6. Number of heavy atoms: 9

7. Surface charge : 0

8. Complexity: 133

9. Number of isotope atoms: 0

10. Determine the number of atomic stereocenters: 0

11. The number of uncertain atomic stereocenters: 1

12. The number of determined chemical bond stereocenters: 0

13. The number of uncertain chemical bond stereocenters: 0

14. Number of covalent bond units: 1

Properties and stability

1. The product may not decompose under normal temperature and pressure.

2. Exist in tobacco leaves and smoke.

Storage method

Seal the secret container, store it in a sealed main container, and place it in a cool, dry place. <

Synthesis method





BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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