dl-aspartic acid

structural formula

• numbering system
• physical property data
• toxicological data
• ecological data
• molecular structure data
• computing chemical data
• more
  • properties and stability
  • storage method
  • synthesis method
  • purpose

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

none

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

none

purpose

none

resource:allhdi.com