dl-ethionine dl-ethionine

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:67-21-0

mdl number:mfcd00063102

einecs number:200-647-0

rtecs number:es6825200

brn number:1722529

pubchem number:24894606

physical property data

1. character: white tablet crystal-like.

2. density (g/ml,25/4 ℃): undetermined

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

4. melting point (ºc): 257～260℃ decomposition

5. boiling point (ºc,normal pressure): not ok

6. boiling point (ºc,5.2kpa): not ok

7. refractive index: not ok

8. flashpoint (ºc): undetermined

9. specific optical rotation ( º): undetermined

10. spontaneous ignition point or ignition combustion temperature (ºc) : undetermined

11. vapor pressure (kpa,25ºc): not ok

12. saturation vapor pressure ( kpa,60ºc): undetermined

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

19. solubility: soluble soluble in water, dilute acid and dilute alkali solutions, insoluble in ether.

toxicological data

none yet

ecological data

none yet

molecular structure data

1. molar refractive index:42.90

2. molar volume (m³/mol）：140.2

3. isotonic specific volume (90.2k):369.7

4. surface tension (dyne/cm):48.3

5. polarizability（10^-24cm³):17.00

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: 4

4. number of rotatable chemical bonds: 5

5. number of tautomers: none

6. topological molecule polar surface area 88.6

7. number of heavy atoms: 10

8. surface charge: 0

9. complexity: 108

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

none yet

storage method

this product should be sealed in a cool, dry place away from light save.

synthesis method

none yet

purpose

for biochemical research.

-size: 9pt; font-family: arial”>369.7

4. surface tension (dyne/cm):48.3

5. polarizability（10^-24cm³):17.00

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: 4

4. number of rotatable chemical bonds: 5

5. number of tautomers: none

6. topological molecule polar surface area 88.6

7. number of heavy atoms: 10

8. surface charge: 0

9. complexity: 108

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

none yet

storage method

this product should be sealed in a cool, dry place away from light save.

synthesis method

none yet

purpose

for biochemical research.