DIETHYL METHYLMALONATE
Diethyl methylmalonate
CAS: 609-08-5
Molecular Formula: C8H14O4
DIETHYL METHYLMALONATE - Names and Identifiers
| Name | Diethyl methylmalonate |
| Synonyms | Diethylisosuccinate RARECHEM AL BI 0301 Ethyl methylmalonate Diethyl methylmalote dlethylmethylmalonate Diethyl methylmalonate DIETHYL METHYLMALONATE Diethyl 2-methylmalonate Diethyl methylpropanedioate DIETHYL 2-METHYLPROPANEDIOATE METHYLMALONIC ACID DIETHYL ESTER 2-methyl-malonicaciddiethylester 1,3-Diethyl 2-methylpropanedioate Methoxymalonic Acid Diethyl Ester methyl-propanedioicacidiethylester Malonic acid, methyl-, diethyl ester 2-methyl-propanedioicaciddiethylester Propanedioic acid, 2-methyl-, diethyl ester Methylmalonic acid diethyl ester~Methylpropanedioic acid diethyl ester |
| CAS | 609-08-5 |
| EINECS | 210-175-7 |
| InChI | InChI=1/C8H14O4/c1-4-11-7(9)6(3)8(10)12-5-2/h6H,4-5H2,1-3H3 |
| InChIKey | UPQZOUHVTJNGFK-UHFFFAOYSA-N |
DIETHYL METHYLMALONATE - Physico-chemical Properties
| Molecular Formula | C8H14O4 |
| Molar Mass | 174.19 |
| Density | 1.022 g/mL at 20 °C (lit.) |
| Boling Point | 198-199 °C (lit.)78-80 °C/10 mmHg |
| Flash Point | 170°F |
| Water Solubility | immiscible |
| Solubility | 1000mg/l |
| Vapor Presure | 0.264mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.013 |
| Color | Clear colorless |
| BRN | 637028 |
| pKa | 13.13±0.46(Predicted) |
| PH | 8 (1000mg/l, H2O, 20℃) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.413(lit.) |
| Physical and Chemical Properties | Colorless liquid, boiling point 198-199 ℃,78-80 ℃(1.33kPa), relative density (20/4 ℃)1.020, refractive index 1.413. Insoluble in water. |
| Use | Used as an intermediate in organic synthesis |
DIETHYL METHYLMALONATE - Risk and Safety
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29171990 |
DIETHYL METHYLMALONATE - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | Used as an intermediate in organic synthesis Organic intermediate; This product can be used to synthesize dipropylmalonic acid and further synthesize antiepileptic drug Kangxianling, etc. |
| production method | diethyl oxalopropionate is heated until carbon monoxide escapes violently at a temperature of 130-150 ℃. After the released gas is reduced, the high temperature is gradually increased, so that the liquid flows back until the gas is exhausted. Distilled to obtain diethyl methylmalonate with 97% yield. |
Last Update：2024-04-10 22:29:15
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