Epoxy curing agent Knowledge DL-Threonine DL-Threonine

DL-Threonine DL-Threonine

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DL-threonine structural formula

Structural formula

Business number 01RD
Molecular formula C4H9NO3
Molecular weight 119.12
label

(±)-2-Amino-3-hydroxybutyric acid,

(±)-2-Amino-3-hydroxybutyric acid

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. Polarizability10-24cm3):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. Polarizability10-24cm3):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

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