Methacrylic acid
| Physicochemical properties | Color and odor state: colorless crystalline or transparent liquid with pungent odor | Toxicity: Moderately toxic | |
| Flammability: combustible | Density: 1.015 g/cm³ | ||
| Volatile: Volatile | Corrosive: corrosive | ||
| Boiling point: 163°C | Stability: Stability | ||
| Melting point: 16°C | Acidity-alkaline: acidic | ||
| Moisture absorption: It has a certain degree of moisture absorption | Spontaneous ignition point: 435°C | ||
| Viscosity: Low viscosity | Deliquescence: No deliquescence | ||
| Decomposability: It is easy to decompose when heated to more than 200°C, releasing irritating gases | Flash point: 77°C | ||
| Solubility: soluble in water, soluble in most organic solvents such as ethanol and ether | |||
| Various numbers | CAS: 79-41-4 | HS: 2916130010 | EINECS：201-204-4 |
| Uses | It is an important organic chemical raw material and polymer intermediate. | ||
| Hazard category | Class 8 corrosive substances | ||
| Fire-fighting measures | Fire extinguishing methods: mist water, carbon dioxide, sand, foam. | ||
| Emergency treatment | Skin contact: Remove contaminated clothing and rinse immediately with water for at least 15 minutes. If you have a burn, seek medical attention. Eye contact: Lift the eyelid immediately and rinse with running water or saline for at least 15 minutes. Seek medical attention. Inhalation: Quickly leave the scene to fresh air. Keep your airways open. Perform artificial respiration if necessary. Seek medical attention. Ingestion: Those who mistakenly take it should drink plenty of warm water, induce vomiting, and seek medical attention. | ||
| Packaging, storage, transportation | Packed in plastic drums of 200 kg/drum. Storage precautions: Usually the product is added with polymerization inhibitors. Store in a cool, ventilated warehouse. Stay away from fire and heat sources. The packaging should be sealed and not in contact with air. It should be stored separately from oxidants, amines, and alkalis, and should not be mixed storage. It should not be stored in large quantities or stored for a long time. Equipped with corresponding varieties and quantities of fire-fighting equipment. The storage area should be equipped with leak emergency treatment equipment and appropriate containment materials. Transported according to the requirements of dangerous goods | ||
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