Epoxy curing agent Knowledge DL-Ethionine DL-Ethionine

DL-Ethionine DL-Ethionine

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DL-ethionine structural formula

Structural formula

Business number 01EJ
Molecular formula C6H13NO2S
Molecular weight 163.24
label

Ethioninebutyric acid,

DL-2-Amino-4-(ethylthio)butyric acid

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): 257260℃ 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. Polarizability10-24cm3):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. Polarizability10-24cm3):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.

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