(2S,3S)(-)-Dihydroxybutane-1,4-dioic acid diethyl ester
Synonym(s):(2S,3S)-(-)-Diethyl tartrate;D -(−)-Tartaric acid diethyl ester;L-(+)-Tartaric acid diethyl ester, DET, (-)-Diethyl-D-tartrate
- CAS NO.：13811-71-7
- Empirical Formula: C8H14O6
- Molecular Weight: 206.19
- MDL number: MFCD00064451
- EINECS: 237-458-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
What is (2S,3S)(-)-Dihydroxybutane-1,4-dioic acid diethyl ester?
Chemical properties
Colorless to light yellow liqui
The Uses of (2S,3S)(-)-Dihydroxybutane-1,4-dioic acid diethyl ester
Diethyl D(-)-tartrate is mainly used in chiral pharmaceuticals, chiral intermediates and chiral catalysts. It can be used with titanium in enolic asymmetric epoxidization. The compound d-alpha-tocopherol is the principal compound present in natural vitamin E sources. At present, d-alpha-tocopherol and other tocopherol derivatives are used in pharmaceuticals, foods and animal feeds. It is used as a food additive.
Purification Methods
Distil the esters under high vacuum and store them under vacuum or in an inert atmosphere in a desiccator in round bottomed flasks equiped with a vacuum stopcock. They have also been distilled by Kügelrohr distillation and/or by 'wiped-film' molecular distillation. They are slightly soluble in H2O but miscible with EtOH and Et2O. [Gao et al. J Am Chem Soc 109 5770 (5771) 1987, IR: Pristera Anal Chem 25 844 1953, Beilstein 3 III 1025 for D-(-), 3 IV 1232 for L(+).]
Properties of (2S,3S)(-)-Dihydroxybutane-1,4-dioic acid diethyl ester
| Melting point: | 17 °C |
| Boiling point: | 162 °C/19 mmHg (lit.) |
| alpha | -9 º (neat) |
| Density | 1.205 g/mL at 20 °C (lit.) |
| refractive index | n |
| Flash point: | 200 °F |
| storage temp. | Store below +30°C. |
| solubility | Chloroform (Slightly), Water (Slightly) |
| form | Viscous Liquid |
| pka | 11.61±0.20(Predicted) |
| color | Clear colorless |
| Specific Gravity | 1.21 |
| optical activity | [α]23/D 8.5°, neat |
| Water Solubility | insoluble |
| Merck | 14,3855 |
| BRN | 1727143 |
| CAS DataBase Reference | 13811-71-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Butanedioic acid, 2,3-dihydroxy-, diethyl ester, [S-(R*,R*)]-(13811-71-7) |
Safety information for (2S,3S)(-)-Dihydroxybutane-1,4-dioic acid diethyl ester
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids |
| Precautionary Statement Codes |
P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for (2S,3S)(-)-Dihydroxybutane-1,4-dioic acid diethyl ester
(2S,3S)(-)-Dihydroxybutane-1,4-dioic acid diethyl ester manufacturer
JSK Chemicals
2Y
Phone:+91-9879767970
Whatsapp: +91-9879767970
product: (-)-Diethyl D-tartrate, 98% 99%
ASM Organics
Andhra Pradesh
Phone:91-9866122393
Whatsapp: 91-9866122393
product: (-) Diethyl D-Tartarate
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