Diethyl n-butylmalonate
Diethyl n-butylmalonate
CAS: 133-08-4
Molecular Formula: C11H20O4
Diethyl n-butylmalonate - Names and Identifiers
| Name | Diethyl n-butylmalonate |
| Synonyms | BMDE ETHYL BUTYLMALONATE diethyl butylmalonate DIETHYL BUTYLMALONATE LABOTEST-BB LTBB001318 Diethyl n-butylmalonate DIETHYL N-BUTYLMALONATE n-Butyl Diethyl Malonate N-BUTYL DIETHYL MALONATE diethyl 2-butylpropanedioate BUTYLMALONIC ACID DIETHYL ESTER N-BUTYLMALONIC ACID DIETHYL ESTER n-Butylammonic acid diethyl ester n-Butylmalonic acid diethyl ester |
| CAS | 133-08-4 |
| EINECS | 205-089-1 |
| InChI | InChI=1/C11H20O4/c1-4-7-8-9(10(12)14-5-2)11(13)15-6-3/h9H,4-8H2,1-3H3 |
Diethyl n-butylmalonate - Physico-chemical Properties
| Molecular Formula | C11H20O4 |
| Molar Mass | 216.27 |
| Density | 0.983 g/mL at 25 °C (lit.) |
| Melting Point | 238 °C |
| Boling Point | 235-240 °C (lit.) |
| Flash Point | 201°F |
| Water Solubility | 330mg/L at 20℃ |
| Vapor Presure | 1Pa at 20℃ |
| Appearance | Transparent liquid |
| Specific Gravity | 0.975 (20/4℃) |
| Color | Colorless to Almost colorless |
| Merck | 14,1576 |
| BRN | 608785 |
| pKa | 13.47±0.46(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.422(lit.) |
| MDL | MFCD00009170 |
| Physical and Chemical Properties | Characteristics of colorless liquid, with fruit aroma. boiling point 235~240 ℃ relative density 0.972~0.974 refractive index 1.4220 flash point 93 ℃ soluble in ethanol and ether, insoluble in water. |
| Use | For the pharmaceutical and dyestuff industries |
Diethyl n-butylmalonate - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 1 |
| HS Code | 29171990 |
Diethyl n-butylmalonate - Upstream Downstream Industry
| Raw Materials | Ethyl malonate Sodium ethoxide |
Diethyl n-butylmalonate - Nature
Open Data Verified Data
colorless liquid with fruit aroma. The relative density of 0.972 ~ o.974. Boiling point 235~240 ℃, refractive index 1. 4220. Flash point 93 °c. Soluble in ethanol, ether, insoluble in water.
Last Update：2024-01-02 23:10:35
Diethyl n-butylmalonate - Preparation Method
Open Data Verified Data
diethyl malonate was mixed with sodium ethoxide, and chlorobutane was added to form the reaction. The crude product is obtained by the process of separation and recovery of ethanol, washing and dehydration.
Last Update：2022-01-01 10:33:44
Diethyl n-butylmalonate - Use
Open Data Verified Data
organic synthesis intermediates, mainly used in pharmaceutical manufacturing, is the raw material of phenylbutazone and other drugs.
Last Update：2022-01-01 10:33:44
Diethyl n-butylmalonate - Safety
Open Data Verified Data
- This product has anesthetic effect. After inhalation can cause Dyspnea. It should be noted that the equipment in the production process should be sealed to prevent leakage and maintain good ventilation. Wear protective gear. Rinse with soap and water after skin contact.
- This product is packaged in an iron drum with a specification of 200kg. Store in a dry and cool place. According to the provisions of flammable chemicals storage and transportation.
Last Update：2022-01-01 10:33:45
Diethyl n-butylmalonate - Reference Information
| LogP | 3.4 at 23℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| biological activity | Diethyl butylmalonate shows toxicity to t pyriformis, and its log(IGC50-1) is 0.557. |
| Uses | Used in the pharmaceutical and dye industry Organic synthesis intermediates, mainly used in pharmaceutical manufacturing, are antipyretic and analgesic drugs such as bordaxone raw materials. |
| Production method | Diethyl malonate is mixed with sodium ethoxide, and then chlorobutane is added to react to form. Crude products are separated and recovered from ethanol, washed and dehydrated to obtain finished products. Raw material consumption quota: diethyl malonate (85%)857kg/t, sodium ethoxide (17%)2666kg/t, chlorobutane (80%)833kg/t. |
Last Update：2024-04-09 19:05:10
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Raw Materials for Diethyl n-butylmalonate