DL- tartric acid name
DL- tartaric acid
DL-Tartaric Acid
Chinese alias DL - dihydroxy succinate | | 2, 3 - dihydroxy succinic acid 1, 4 butyl diacid | DL - 2, 3 - dihydroxy succinic acid | | grape grape acid racemic tartaric acid
More English nicknames
Biological activity of DL-tartrate
Description DL-tartric acid is a non-racemic mixture of L- and D-tartric acid with antioxidant activity [1][2].
Related category
Research Field > > other
Signal path > > Other; > other
Reference literature
[1]. Mathias Ibert, et al. Determination of the side-products formed during the nitroxide-mediated bleach oxidation of glucose to glucaric acid. Carbohydr Res. 2002 Jun 5; 337 (11) : 1059-63.
[2]. Thirada Piyanan, et al. An Instrument-free Detection of Antioxidant Activity Using Paper-based Analytical Devices Coated with Nanoceria. Anal Sci. 2018; 34 (1) : 97-102.
Physical and chemical properties of DL-tartric acid
Density 1.9± 0.1g /cm3
Boiling point 399.3±42.0 °C at 760 mmHg
Melting point 200-206ºC
Molecular formula C4H6O6
Molecular weight 150.087
Flash point 209.4±24.4 °C
Accurate mass 150.016434
PSA 115.06000
LogP minus 1.43
Appearance properties white crystalline powder
Vapor pressure 0.0±2.1 mmHg at 25°C
Refractive index 1.586
Storage condition
1. Storage, should be sealed storage.
2. Use woven bags or gunny bags lined with plastic bags, each bag weighs 25kg or 50kg net. Keep away from oxidants and fire sources, do not store together with liquid alkali, pay attention to rain moisture-proof, store in dry and cool place. Store and transport in accordance with general chemical regulations.
stability
1. This product has low toxicity. It is highly acidic and corrosive to teeth, and has been reported to cause tooth damage and gastritis in operators working at concentrations of 1.1mg/m3. Therefore, the operation site should have good ventilation conditions, production equipment to do no leakage.
2. It exists in tobacco leaves.
Water solubility H2O: 0.1 g/mL, the clear | soluble
Molecular structure
V. Molecular Property Data:
1. Molar refractive index: 26.69
2. Molar volume (cm3/mol) : 79.5
3. Isotropic volume (90.2K) : 263.1
4. Surface tension (3.0 dyne/cm) : 119.4
5. Polarizability (0.5 10-24cm3) : 10.58
Computational chemistry
1. Reference value of hydrophobic parameter calculation (XlogP) : -1.9
2. Number of hydrogen bond donors: 4
3. Number of hydrogen bond receptors: 6
4. Number of rotatable bonds: 3
5. Number of tautomers:
6. Topological molecular polar surface area (TPSA) : 115
7. Number of heavy atoms: 10
8. Surface charge: 0
9. Complexity: 134
10. Number of isotope atoms: 0
11. Determine the number of atomic constitutive centers: 0
12. Number of uncertain atomic constitutive centers: 2
13. Determine the number of chemical bond structure centers: 0
14. Number of uncertain chemical bond structure centers: 0
15. Number of covalent bond units: 1
1. Properties: White crystal, odorless, sour taste. It's an equal mixture of left-handed and right-handed tartaric acid. 2. Solubility: easily soluble in water and ethanol, slightly soluble in ether, chloroform. Insoluble in benzene. 3. Relative density (d 25 4) : 1.788 (monohydrate). 4. Melting point (℃) : 206 (decomposition at 210℃), 203.4 (monohydrate). 6. Boiling point (ºC) : 399.3
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