Diethyl malonate
| Price | USD1.00 |
| Packge | 1kg |
- Min. Order:1kg
- Supply Ability:100KG
- Time:2019-07-06
Product Details
- Product NameDiethyl malonate
- CAS No. 105-53-3
- EINECS No.203-305-9
- MFC7H12O4
- MW160.17
- InChIKeyIYXGSMUGOJNHAZ-UHFFFAOYSA-N
- AppearanceLiquidcolourless liquid
- Boiling point 199 °C (lit.)
- Melting point -51--50 °C (lit.)
- density 1.055 g/mL at 25 °C (lit.)
- Water Solubility Miscible with ethyl alcohol, ether, chloroform and benzene. Slightly miscible with water.
- storage temp. Store below +30°C.
AD68
| Diethyl malonate Basic information |
| Product Name: | Diethyl malonate |
| Synonyms: | MALONIC ACID DIETHYL ESTER;MALONIC ESTER;ETHYL MALONATE;Ethyl propanedioate;FEMA 2375;DEM;DICARBETHOXYMETHANE;DIETHYL MALONATE |
| CAS: | 105-53-3 |
| MF: | C7H12O4 |
| MW: | 160.17 |
| EINECS: | 203-305-9 |
| Product Categories: | Organics;Building Blocks;C6 to C7;Carbonyl Compounds;Chemical Synthesis;Esters;Organic Building Blocks |
| Mol File: | 105-53-3.mol |
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| Diethyl malonate Chemical Properties |
| Melting point | -50 °C |
| Boiling point | 199 °C(lit.) |
| density | 1.055 g/mL at 25 °C(lit.) |
| vapor density | 5.52 (vs air) |
| vapor pressure | 1 mm Hg ( 40 °C) |
| refractive index | n20/D 1.413(lit.) |
| FEMA | 2375 | DIETHYL MALONATE |
| Fp | 212 °F |
| storage temp. | Store below +30°C. |
| solubility | 20.8g/l (External MSDS) |
| pka | 13.5(at 25℃) |
| form | Liquid |
| explosive limit | 0.8-12.8%(V) |
| Water Solubility | Miscible with ethyl alcohol, ether, chloroform and benzene. Slightly miscible with water. |
| Merck | 14,3823 |
| BRN | 774687 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, |
| CAS DataBase Reference | 105-53-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Propanedioic acid, diethyl ester(105-53-3) |
| EPA Substance Registry System | Propanedioic acid, diethyl ester(105-53-3) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38-36 |
| Safety Statements | 24/25-26 |
| WGK Germany | 1 |
| RTECS | OO0700000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| HS Code | 29171910 |
| MSDS Information |
| Provider | Language |
|---|---|
| Ethyl propanedioate | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Diethyl malonate Usage And Synthesis |
| Description | As an organic compound, diethyl malonate belongs to the diethyl ester of malonic acid, which is present naturally in guava fruits, melons, grapes, pineapples, blackberries and strawberries as a colorless liquid with an apple-like odor. It is a flavor ingredient commonly found in perfumes, artificial flavorings, alcoholic beverages, various wines and spirits due to its natural pleasant odor. It is also used as an essential intermediate in the syntheses of numerous pharmaceuticals, such as barbiturates, vitamins B1 and B6, non-steroidal anti-inflammatory agents. Besides, diethyl malonate is also involved in organic synthesis of other compounds, such as alpha-aryl malonates, mono-substituted and di-substituted acetic acid. And it can react with benzaldehyde for the production of diethyl benzylidenemalonate in Knoevenagel condensation reaction. |
| References | https://en.wikipedia.org/wiki/Diethyl_malonate https://pubchem.ncbi.nlm.nih.gov/compound/7761#section=Safety-and-Hazards https://www.alfa.com/zh-cn/catalog/A15468/ http://www.hmdb.ca/metabolites/HMDB29573 http://www.chemicalland21.com/industrialchem/organic/DIETHYL%20MALONATE.htm |
| Chemical Properties | colourless liquid |
| Uses | Diethyl Malonate occurs naturally in grapes and strawberries. It is used in the preparation of barbiturates, artificial flavourings, vitamin B1, and vitamin B6 as well as in perfumes. |
| Uses | manufacture of barbiturates. |
| Safety Profile | Mildly toxic by ingestion. A skin irritant. Combustible liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use water to blanket fire, foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS. |
| Purification Methods | If too impure (IR, NMR) the ester (250g) is heated on a steam bath for 36hours with absolute EtOH (125mL) and conc H2SO4 (75mL), then fractionally distilled under reduced pressure. Otherwise fractionally distil it under reduced pressure and collect the steady boiling middle fraction. [Beilstein 2 IV 1881.] |
Company Profile Introduction
Henan CoreyChem Co., Ltd, based on the original Zhengzhou Cote Chemical Research Institute, be brave in absorbing highly educated talents & overseas returnees; actively responded to Zhengzhou City High-tech Zone Government’s Special Care Policy, reorganized and founded in National University of Science and Technology Park, which is a high-tech, stock enterprise of high-end chemical Custom synthesis;The park was created by the People's Government of Henan Province, and proved by Ministry of Education and the National Science & Technology, taking the construction mode of "many college a park, and common development", mainly depends on Zhengzhou University and Henan University’s scientific research and talent advantage to set up Universities, scientific research institute and enterprise scientific research achievements transformation platform, to make high-tech enterprises incubate, is the new high-tech talent gathering base, high and new technology industry enterprise radiation base, colleges and universities technological innovation base.
Henan Coreychem Co., Ltd, facing global High-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and Rare chemicals trade. Corey have well-equipped machine, strong technical force and considerate marketing team service. We also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.
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- Since:2014-12-17
- Address: No.967,15th Floor,Unit 7, Building 1, No.70 of DianChang Road, High-tech Development Zone, Zhengzho
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