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♦ High purity, all above 98.5%, no impurities after dissolution

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Physicochemical properties of (+) -ditervaleryl-D-tartaric acid

The density was 1.2± 0.1g /cm3

The boiling point was 436.6±45.0 °C at 760 mmHg

Melting point 127-130 °C(lit.)

Its molecular formula is C14H22O8

Its molecular weight was 318.320

The flash point was 153.8±22.2 °C

The exact mass is 318.131470

PSA 127.20000

LogP 3.74

Appearance solid; White to Almost white powder to crystal

The vapor pressure was 0.0±2.2 mmHg at 25°C

The refractive index was 1.484

Storage conditions

Store in an airtight container in a cool, dry place.

stability

It is stable under normal conditions and away from oxidants.

Molecular structure

1. Molar refractive index: 73.43

2, molar volume (m3/mol) : 256.6

3, isotonic specific volume (90.2K) : 667.1

4. Surface tension (dyne/cm) : 45.6

5. Polarizability (10-24cm 3) : 29.11

Computational chemistry

1. Reference value of hydrophobic parameter calculation (XlogP) :2.1

2. Number of hydrogen bond donors :2

3. Number of hydrogen bond acceptors :8

4. Number of rotatable chemical bonds :9

5. Number of tautomers: None

6. Topological molecule polar surface area 127

7. Number of heavy atoms :22

8. Surface charge :0

9. Complexity :422

10. Number of isotope atoms :0

11. Determine the number of atomic construction centers :2

12. The number of uncertain atomic construction centers :0

13. Determine the number of chemical bond formation centers :0

14. The number of uncertain chemical bond formation centers :0

15. Number of covalent bond units :1

More

1. Properties: white powder.

2. Density (g/mL,25/4℃) : not determined

3. Relative vapor density (g/mL, air =1) : Not determined

4. Melting point (ºC) : 127-130

5. Boiling point (ºC, normal pressure) : not determined

6. Boiling point (ºC,5.2kPa) : not determined

7. Refractive index: not determined

8. Flash point (ºC) : Not determined

9. Specific rotation (º) : 20/D +23.5±1°, c =1.7% in dioxane

10. Spontaneous ignition point or ignition temperature (ºC) : not determined

11. Vapor pressure (kPa,25ºC) : not determined

12. Saturated vapor pressure (kPa,60ºC) : not determined

13. Heat of combustion (KJ/mol) : not determined

14. Critical temperature (ºC) : not determined

15. Critical pressure (KPa) : not determined

16. Log value of oil-water (octanol/water) partition coefficient: not determined

17. Upper limit of explosion (%,V/V) : not determined

18. Lower explosion limit (%,V/V) : not determined

19. Solubility: not determined.