cycl-Isopropylidene methylmalonate
2,2,5-Trimethyl-1,3-dioxane-4,6-dione
CAS: 3709-18-0
Molecular Formula: C7H10O4
cycl-Isopropylidene methylmalonate - Names and Identifiers
| Name | 2,2,5-Trimethyl-1,3-dioxane-4,6-dione |
| Synonyms | CHEMPACIFIC 41980 Methyl Meldrums acid METHYL MELDRUM'S ACID Methyl meldrum's acid cycl-Isopropylidene methylmalonate CYCL-ISOPROPYLIDENE METHYLMALONATE 2,2,5-TRIMETHYL-1,3-DIOXANE-4,6-DIONE 2,2,5-Trimethyl-1,3-dioxane-4,6-dione 1,3-DIOXANE-4,6-DIONE, 2,2,5-TRIMETHYL Methylmalonic acid cyclic isopropylidene ester METHYLMALONIC ACID CYCLIC ISOPROPYLIDENE ESTER |
| CAS | 3709-18-0 |
| EINECS | 223-050-7 |
| InChI | InChI=1/C7H10O4/c1-4-5(8)10-7(2,3)11-6(4)9/h4H,1-3H3 |
| InChIKey | KJMCAXYHYPDRAV-UHFFFAOYSA-N |
cycl-Isopropylidene methylmalonate - Physico-chemical Properties
| Molecular Formula | C7H10O4 |
| Molar Mass | 158.15 |
| Density | 1.1229 (rough estimate) |
| Melting Point | 111-114°C(lit.) |
| Boling Point | 203.22°C (rough estimate) |
| Flash Point | 183.4°C |
| Solubility | Chloroform, Methanol |
| Vapor Presure | 6.96E-05mmHg at 25°C |
| Appearance | Solid |
| Color | White to Off-White |
| BRN | 124044 |
| pKa | 13.14±0.40(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.4610 (estimate) |
cycl-Isopropylidene methylmalonate - Risk and Safety
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-21 |
| HS Code | 29171990 |
cycl-Isopropylidene methylmalonate - Introduction
2,2,5-Trimethyl-1,3-dioxane-4,6-dione(2,2,5-Trimethyl-1,3-dioxane-4,6-dione) is an organic compound with the chemical formula C7H10O4.
Properties: 2,2,5-Trimethyl-1,3-dioxane-4,6-dione is a colorless to light yellow liquid with a lower boiling point and vapor pressure. It can be dissolved in many organic solvents, such as alcohols and ethers.
Purpose: 2,2,5-Trimethyl-1,3-dioxane-4,6-dione is commonly used as a reagent in chemical synthesis. It can be used as a coupling agent, protective agent and catalyst in organic synthesis. In addition, it is used in certain synthetic processes in the medical field.
preparation method: 2,2,5-Trimethyl-1,3-dioxane-4,6-dione can be prepared by esterification of 2,2, 5-trimethyl-1, 3-dioxopentanoic acid, and acid catalysts such as sulfuric acid are commonly used in the reaction.
Safety information: 2,2,5-Trimethyl-1,3-dioxane-4,6-dione is a relatively safe compound under normal circumstances, but the following matters still need to be paid attention to: avoid contact with skin and eyes. If there is contact, rinse immediately with plenty of water. Pay attention to good ventilation conditions during use and avoid inhaling vapors. In addition, it should be stored in a cool and dry place and avoid contact with oxidants, acids and alkalis. Wear appropriate protective equipment if necessary. When using and handling this compound in the laboratory and industry, please follow all relevant safety practices and regulations.
Properties: 2,2,5-Trimethyl-1,3-dioxane-4,6-dione is a colorless to light yellow liquid with a lower boiling point and vapor pressure. It can be dissolved in many organic solvents, such as alcohols and ethers.
Purpose: 2,2,5-Trimethyl-1,3-dioxane-4,6-dione is commonly used as a reagent in chemical synthesis. It can be used as a coupling agent, protective agent and catalyst in organic synthesis. In addition, it is used in certain synthetic processes in the medical field.
preparation method: 2,2,5-Trimethyl-1,3-dioxane-4,6-dione can be prepared by esterification of 2,2, 5-trimethyl-1, 3-dioxopentanoic acid, and acid catalysts such as sulfuric acid are commonly used in the reaction.
Safety information: 2,2,5-Trimethyl-1,3-dioxane-4,6-dione is a relatively safe compound under normal circumstances, but the following matters still need to be paid attention to: avoid contact with skin and eyes. If there is contact, rinse immediately with plenty of water. Pay attention to good ventilation conditions during use and avoid inhaling vapors. In addition, it should be stored in a cool and dry place and avoid contact with oxidants, acids and alkalis. Wear appropriate protective equipment if necessary. When using and handling this compound in the laboratory and industry, please follow all relevant safety practices and regulations.
Last Update：2024-04-09 20:52:54
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