dl-threonine dl-threonine

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:80-68-2

mdl number:mfcd00063722

einecs number:201-300-6

rtecs number:none

brn number:1721647

pubchem number:24900522

physical property data

1. physical property data

1. character: those containing half a molecule of crystal water are colorless crystals,229-230decomposed at ℃, odorless, slightly sweet taste

2. density (g/ml,25/4℃): unsure

3. relative vapor density (g/ml,air=1): unsure

4. melting point (ºc):244 ℃

5. boiling point (ºc,normal pressure): uncertain

6. boiling point (ºc,5.2kpa): unsure

7. refractive index: uncertain

8. flash point (ºc): unsure

9. specific optical rotation (º): unsure

10. autoignition point or ignition temperature (ºc): unsure

11. vapor pressure (kpa,25ºc): unsure

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17. explosion limit (%,v/v): unsure

18. lower explosion limit (%,v/v): unsure

19. solubility:25solubility in water20.1gram/100 ml. insoluble in methanol and ethanol (0.07gram/100milliliters,25℃ ), acetone

toxicological data

none yet

ecological data

none yet

molecular structure data

5. molecular property data:

1. molar refractive index: 27.13

2. molar volume (m³/mol）：91.1

3. isotonic specific volume (90.2k):253.6

4. surface tension (dyne/cm):60.0

5. polarizability（10^-24cm³):10.75

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): none

2. number of hydrogen bond donors: 3

3. number of hydrogen bond acceptors: 4

4. number of rotatable chemical bonds: 2

5. number of tautomers: none

6. topological molecule polar surface area 83.6

7. number of heavy atoms: 8

8. surface charge: 0

9. complexity: 93.3

10. number of isotope atoms: 0

11. determine the number of atomic stereocenters: 0

12. uncertain number of atomic stereocenters: 2

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

none yet

storage method

none yet

synthesis method

none yet

purpose

none yet

ont-family: arial; mso-hansi-font-family: arial”>5. molecular property data:

1. molar refractive index: 27.13

2. molar volume (m³/mol）：91.1

3. isotonic specific volume (90.2k):253.6

4. surface tension (dyne/cm):60.0

5. polarizability（10^-24cm³):10.75

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): none

2. number of hydrogen bond donors: 3

3. number of hydrogen bond acceptors: 4

4. number of rotatable chemical bonds: 2

5. number of tautomers: none

6. topological molecule polar surface area 83.6

7. number of heavy atoms: 8

8. surface charge: 0

9. complexity: 93.3

10. number of isotope atoms: 0

11. determine the number of atomic stereocenters: 0

12. uncertain number of atomic stereocenters: 2

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

none yet

storage method

none yet

synthesis method

none yet

purpose

none yet

0

9. complexity: 93.3

10. number of isotope atoms: 0

11. determine the number of atomic stereocenters: 0

12. uncertain number of atomic stereocenters: 2

13. determined number of chemical bond stereocenters: 0

14. uncertain number of chemical bond stereocenters: 0

15. number of covalent bond units: 1

properties and stability

none yet

storage method

none yet

synthesis method

none yet

purpose

none yet