DiMethyl 2-(MethoxyMethylene)Malonate
dimethyl methoxymethylenemalonate
CAS: 22398-14-7
Molecular Formula: C7H10O5
DiMethyl 2-(MethoxyMethylene)Malonate - Names and Identifiers
DiMethyl 2-(MethoxyMethylene)Malonate - Physico-chemical Properties
| Molecular Formula | C7H10O5 |
| Molar Mass | 174.15 |
| Density | 1.2311 (rough estimate) |
| Melting Point | 40-44 °C |
| Boling Point | 98 °C (0.5 mmHg) |
| Flash Point | 158 °C |
| Vapor Presure | 0.292mmHg at 25°C |
| Appearance | White or off-white crystals |
| Color | White |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4390 (estimate) |
| MDL | MFCD00038225 |
DiMethyl 2-(MethoxyMethylene)Malonate - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R43 - May cause sensitization by skin contact R36/38 - Irritating to eyes and skin. R22 - Harmful if swallowed |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24 - Avoid contact with skin. |
| HS Code | 29171990 |
DiMethyl 2-(MethoxyMethylene)Malonate - Introduction
Dimethymethymethylenemalonate, also known as dimethyl dimethylethyleneglyoxalate, is an organic compound with the chemical formula C7H10O5. The following is an introduction to the nature, use, formulation and safety information of the dimethymethylenemalonate:
Nature:
-Appearance: colorless liquid
-Traits: Sweet and aromatic
-Solubility: Partially soluble in water, easily soluble in organic solvents
-Melting Point: About -80 ℃
-Boiling point: About 160 ℃
Use:
dimethymethymethylenemalonate is commonly used as a reaction intermediate in organic synthesis and is used to synthesize other organic compounds. It can be used in the preparation of drugs, pesticides, dyes, spices and other compounds. Because of its sweet and aromatic odor, it is sometimes used as an additive to food, spices and flavors.
Method:
dimethymethylenemalonate can be obtained by the reaction of epoxy compound epoxy acetone and methanol. The specific preparation method is as follows:
1. Add epoxyacetone and methanol to the reactor in a molar ratio of 1:2.
2. React at an appropriate temperature and stir and mix for an appropriate time.
3. After the reaction is completed, dimethymethymethyenemalonate is obtained through a simple separation and purification process.
Safety Information:
The main safety precautions for dimethymethylenemalonate are as follows:
-dimethymethymethylenemalonate is irritating and should avoid contact with skin, eyes and respiratory tract.
-Wear appropriate personal protective equipment such as goggles, protective gloves and protective masks during use.
-Avoid contact with strong oxidants and strong acids during handling and storage to avoid dangerous reactions.
-Do not discharge dimethymethymethylenemalonate into the environment, and adopt appropriate waste disposal methods.
Nature:
-Appearance: colorless liquid
-Traits: Sweet and aromatic
-Solubility: Partially soluble in water, easily soluble in organic solvents
-Melting Point: About -80 ℃
-Boiling point: About 160 ℃
Use:
dimethymethymethylenemalonate is commonly used as a reaction intermediate in organic synthesis and is used to synthesize other organic compounds. It can be used in the preparation of drugs, pesticides, dyes, spices and other compounds. Because of its sweet and aromatic odor, it is sometimes used as an additive to food, spices and flavors.
Method:
dimethymethylenemalonate can be obtained by the reaction of epoxy compound epoxy acetone and methanol. The specific preparation method is as follows:
1. Add epoxyacetone and methanol to the reactor in a molar ratio of 1:2.
2. React at an appropriate temperature and stir and mix for an appropriate time.
3. After the reaction is completed, dimethymethymethyenemalonate is obtained through a simple separation and purification process.
Safety Information:
The main safety precautions for dimethymethylenemalonate are as follows:
-dimethymethymethylenemalonate is irritating and should avoid contact with skin, eyes and respiratory tract.
-Wear appropriate personal protective equipment such as goggles, protective gloves and protective masks during use.
-Avoid contact with strong oxidants and strong acids during handling and storage to avoid dangerous reactions.
-Do not discharge dimethymethymethylenemalonate into the environment, and adopt appropriate waste disposal methods.
Last Update：2024-04-09 02:00:44
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