Malononitrile, dimethyl-
DIMETHYLMALONONITRILE
CAS: 7321-55-3
Molecular Formula: C5H6N2
Malononitrile, dimethyl- - Names and Identifiers
Malononitrile, dimethyl- - Physico-chemical Properties
| Molecular Formula | C5H6N2 |
| Molar Mass | 94.11 |
| Density | 0.9690 (rough estimate) |
| Melting Point | 31-33 °C (lit.) |
| Boling Point | 120 °C/33 mmHg (lit.) |
| Flash Point | 145°F |
| Appearance | powder to lump to clear liquid |
| Color | White or Colorless to Light yellow to Light orange |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.5400 (estimate) |
Malononitrile, dimethyl- - Risk and Safety
| Risk Codes | R11 - Highly Flammable R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2926 4.1/PG 3 |
| WGK Germany | 3 |
Malononitrile, dimethyl- - Introduction
DIMETHYLMALONONITRILE
(DIMETHYLMALONONITRILE) is an organic compound with the chemical formula C5H8N2. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: Colorless liquid.
-Density: Approximately 0.93 g/mL.
-Boiling point: about 166-168 ℃.
-Melting point: about -50 ℃.
-Solubility: Soluble with organic solvents such as ethanol, ether and ester, slightly soluble in water.
Use:
- DIMETHYLMALONONITRILE can be used as an intermediate in the synthesis of organic compounds.
-It can be used to synthesize organic compounds such as amino acids and heterocyclic compounds.
-In the field of medicine, it is widely used in the synthesis of drugs.
Preparation Method:
The preparation of 2,2-dimethylmalononitrile can be carried out by the following steps:
1. Mix malononitrile with ethanol and sodium ethanol solution.
2. Methyl bromide was gradually added dropwise under heating while the reaction mixture was stirred.
3. After the reaction, the DIMETHYLMALONONITRILE product was obtained by distillation and purification.
Safety Information:
- DIMETHYLMALONONITRILE on the skin, eyes and respiratory tract irritation, should avoid contact.
-Wear appropriate protective equipment such as gloves and goggles when used.
-Avoid fire and high temperature during use and storage.
-Avoid contact with substances such as oxidizing agents.
- DIMETHYLMALONONITRILE should be stored in a dry, cool, well-ventilated place.
Please note that any chemicals need to be handled with care and follow proper laboratory practices and safety measures.
Nature:
-Appearance: Colorless liquid.
-Density: Approximately 0.93 g/mL.
-Boiling point: about 166-168 ℃.
-Melting point: about -50 ℃.
-Solubility: Soluble with organic solvents such as ethanol, ether and ester, slightly soluble in water.
Use:
- DIMETHYLMALONONITRILE can be used as an intermediate in the synthesis of organic compounds.
-It can be used to synthesize organic compounds such as amino acids and heterocyclic compounds.
-In the field of medicine, it is widely used in the synthesis of drugs.
Preparation Method:
The preparation of 2,2-dimethylmalononitrile can be carried out by the following steps:
1. Mix malononitrile with ethanol and sodium ethanol solution.
2. Methyl bromide was gradually added dropwise under heating while the reaction mixture was stirred.
3. After the reaction, the DIMETHYLMALONONITRILE product was obtained by distillation and purification.
Safety Information:
- DIMETHYLMALONONITRILE on the skin, eyes and respiratory tract irritation, should avoid contact.
-Wear appropriate protective equipment such as gloves and goggles when used.
-Avoid fire and high temperature during use and storage.
-Avoid contact with substances such as oxidizing agents.
- DIMETHYLMALONONITRILE should be stored in a dry, cool, well-ventilated place.
Please note that any chemicals need to be handled with care and follow proper laboratory practices and safety measures.
Last Update：2024-04-09 15:18:01
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Product Name: DIMETHYLMALONONITRILE Request for quotationCAS: 7321-55-3
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