l-(+)-diethyl tartrate

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:87-91-2

mdl number:mfcd00009143

einecs number:201-783-3

rtecs number:none

brn number:1727145

pubchem number:24890139

physical property data

1. properties: colorless viscous oily liquid.

2. relative density (g/ml, 25/4℃): 1.2046

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

4. melting point (ºc): 18.7

5. boiling point (ºc, normal pressure): 280

6. boiling point (ºc, 5.2kpa): undetermined

7. refractive index (20ºc): 1.4438

8. flash point (ºc): 93

9. specific rotation (º): +26.5± 1° (c=1, in water)

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: miscible with ethanol and ether, slightly soluble in water.

toxicological data

none yet

ecological data

none yet

molecular structure data

1. molar refractive index: 45.64

2. molar volume (cm³/mol): 163.3

3. isotonic specific volume (90.2k ): 428.1

4. surface tension (dyne/cm): 47.2

5. polarizability (10^-24cm³)：18.09

compute chemical data

1. hydrophobic parameter calculation reference value (xlogp): -0.3

2. number of hydrogen bond donors: 2

3. number of hydrogen bond acceptors: 6

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4. number of rotatable chemical bonds: 7

5. number of tautomers.��

6. topological molecular polar surface area (tpsa): 93.1

7. number of heavy atoms: 14

8. surface charge: 0

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9. complexity: 180

10. number of isotope atoms: 0

11. determine the number of atomic stereocenters: 0

12 , the number of uncertain atomic stereocenters: 2

13. the number of determined chemical bond stereocenters: 0

14. the number of uncertain chemical bond stereocenters: 0

15. number of covalent bond units: 1

properties and stability

flammable. easy to absorb moisture.

storage method

this product should be sealed and stored in a dry place.

synthesis method

none yet

purpose

used in organic synthesis, synthesis of chiral compounds, solvents for nitrocellulose, gums and resins, and plasticizers for automobile paints.