Name | Methacrylonitrile |
Synonyms | Methacrylonitrile 2-Methacrylonitrile ISOPROPENYL CYANIDE 1-Methyl-1-cyanoethylene METHACRYLIC ACID NITRILE 2-methylprop-2-enenitrile 2-METHYL-2-PROPENENITRILE ALPHA-METHYLACRYLONITRILE ALPHA-METHYLACRYLIC ACID NITRILE |
CAS | 126-98-7 |
EINECS | 204-817-5 |
InChI | InChI=1/C4H5N/c1-4(2)3-5/h1H2,2H3 |
Molecular Formula | C4H5N |
Molar Mass | 67.0892 |
Density | 0.809g/cm3 |
Melting Point | -35.8℃ |
Boling Point | 90.3°C at 760 mmHg |
Flash Point | 12.2°C |
Water Solubility | 2.57 g/100 mL (20℃) |
Vapor Presure | 56.5mmHg at 25°C |
Refractive Index | 1.399 |
Physical and Chemical Properties | Vapor pressure: 64mm Hg ( 20 ℃) storage condition: 2-8 ℃ WGK Germany:1 RTECS: ud140000 |
Hazard Symbols | F - Flammable T - Toxic |
Risk Codes | R11 - Highly Flammable R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R43 - May cause sensitization by skin contact |
Safety Description | S16 - Keep away from sources of ignition. S18 - Handle and open container with care. S29 - Do not empty into drains. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S9 - Keep container in a well-ventilated place. |
UN IDs | UN 3079 |
Methacrylonitrile (Methyl Acrylonitrile) is an organic compound with the chemical formula C4H5N. The following is a description of the properties, uses, methods and safety information of methacrylonitrile:
Nature:
-Appearance: Methacrylonitrile is a colorless liquid with a pungent odor.
-Melting Point:-35.8℃
-Boiling Point: 90.3°C
-Density: 0.809g/cm³
-Solubility: Soluble in water and common organic solvents.
Use:
-As an important chemical raw material, methacrylonitrile is widely used in the synthesis of polymer materials with different properties.
-It is an important raw material for the manufacture of synthetic fiber and rubber, such as synthetic fiber polyacrylonitrile, polyphenylene ether imide fiber, nitrile rubber, etc.
-Methacrylonitrile can also be used in the preparation of organic synthesis and coatings.
Method:
-methacrylonitrile is generally prepared by the dehydration reaction of acrylonitrile and methanol. The reaction usually requires the presence of a catalyst, such as aluminum sand.
Safety Information:
-Methacrylonitrile is irritating and toxic, and contact with skin may cause inflammation and irritation. Personal protective equipment such as protective gloves, goggles and protective clothing should be worn.
-When using methacrylonitrile, care should be taken to avoid contact with skin, eyes and respiratory tract. In case of accidental contact, rinse immediately with plenty of water and seek medical treatment.
-During storage and use, avoid contact with heat sources and fire sources to prevent fires and explosions.
-When storing methacrylonitrile, keep away from oxidizing agents, acidic substances and flammable substances, and maintain a well-ventilated storage environment.