87-91-2
L(+)-Diethyl L-tartrate
CAS: 87-91-2
Molecular Formula: C8H14O6
87-91-2 - Names and Identifiers
| Name | L(+)-Diethyl L-tartrate |
| Synonyms | DET ethyl tartrate Diethyl tartrate DIETHYL TARTRATE Dimethyl Tartrate DIETHYL L-TARTRATE (+)-DIETHYL L-TARTRATE DIETHYL L-(+)-TARTRATE (+)-Diethyl L-tartrate L(+)-Diethyl L-tartrate DIETHYL-L-TARTRATE, (+)- (+)-Diethyl-2,3-dihydroxysuccinate (+)-DIETHYL-2,3-DIHYDROXYSUCCINATE (+)-DIETHYL1-2,3-DIHYDROXYSUCCINATE diethyl (2R,3R)-2,3-dihydroxybutanedioate (2R,3R)(+)-Dihydroxybutane-1,4-dioic acid diethyl ester |
| CAS | 87-91-2 |
| EINECS | 201-783-3 |
| InChI | InChI=1/C8H14O6/c1-3-13-7(11)5(9)6(10)8(12)14-4-2/h5-6,9-10H,3-4H2,1-2H3/t5-,6-/m1/s1 |
| InChIKey | YSAVZVORKRDODB-PHDIDXHHSA-N |
87-91-2 - Physico-chemical Properties
| Molecular Formula | C8H14O6 |
| Molar Mass | 206.19 |
| Density | 1.204 g/mL at 25 °C (lit.) |
| Melting Point | 17 °C |
| Boling Point | 280 °C (lit.) |
| Specific Rotation(α) | 7.5 º (neat) |
| Flash Point | 200°F |
| JECFA Number | 622 |
| Water Solubility | insoluble |
| Solubility | Chloroform (Slightly), Water (Slightly) |
| Vapor Presure | 0.402Pa at 25℃ |
| Appearance | Viscous Liquid |
| Color | Clear |
| Merck | 14,3855 |
| BRN | 1727145 |
| pKa | 11.61±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.446(lit.) |
| Physical and Chemical Properties | A colorless oily viscous liquid with a faint wine aroma. The melting point is 17 ° C., the boiling point is 280-281 ° C., or 153 ° C. (1600Pa), and the optical rotation [α] is 7.5 ° -8.5 °. Insoluble in water, soluble in non-volatile oil, ethyl ether and D20. |
| Use | For food additives, drug synthesis, chiral compound resolution |
87-91-2 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29181300 |
87-91-2 - Upstream Downstream Industry
| Raw Materials | (2R,3R)-2,3-Dihydroxybernsteinsaeure |
87-91-2 - Reference Information
| FEMA | 2378 | DIETHYL TARTRATE |
| LogP | 0.2 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| content analysis | a sample of 1.0g was weighed accurately and placed in a ML triangular flask containing a small amount of pumice. Another similar flask was used for the blank test. 0.5 ml of 25.0 mo]/L potassium hydroxide ethanol solution was added respectively, and each was fitted with a reflux condenser and refluxed on a steam bath for 1H. After cooling, 10 drops of each phenolphthalein test solution (TS-167) were added, and the remaining alkali was titrated with 0.5mol/L hydrochloric acid. The content percentage was calculated according to the following formula. Where B -- Volume of hydrochloric acid consumed by blank, ml; s -- Volume of hydrochloric acid consumed by sample, ml; W -- mass of sample, g. |
| toxicity | ADI is not specified (FAO/WHO,2001). |
| usage limit | FEMA(mg/kg): Soft drink 50, cold drink 200, Candy 200, baked goods 200. |
| Use | carrier solvent (resin, glue, etc.). GB 2760-1996 provides for the permitted use of food flavors. used as solvent and plasticizer used in food additives, drug synthesis, resolution of chiral compounds, etc. used as solvent and plasticizer. |
| production method | is obtained by esterification of tartaric acid with ethanol. It is obtained by esterification of tartaric acid and two molecules of ethanol under appropriate conditions. |
Last Update：2024-04-09 19:55:45
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Raw Materials for 87-91-2