Methyl cyanoacrylate is a powerful, single-component, low-viscosity, fast-drying adhesive (instant adhesive). It has an extremely fast curing speed; after application, it will rapidly polymerize upon contact with even a small amount of moisture, forming a tough, transparent, long-chain polymer, which is widely used in industrial manufacturing, electronic assembly, and other fields.
| Chemical Name | Methyl Cyanoacrylate |
| Chemical Formula | C₅H₅NO₂ |
| CAS Number | 137-05-3 |
| Appearance | Colorless Liquid |
| Melting Point | - |
| Boiling Point | 48-49 °C (3 mm Hg) |
| Density (±20), g/cm³ | 1.1044 g/cm³ |
| Molecular weight | 111.1 |
| Solubility | Easily soluble in diethyl ether, chloroform, dichloromethane (carbon methyl chloride), benzene, and dioxane. Insoluble in methanol and ethanol. |
Optimal Temperature: Unopened products are recommended to be stored in the refrigerator at 2°C~8°C to maximize shelf life.
Post-Opening Handling: After use, be sure to clean any residual adhesive from the bottle opening, tighten the cap, and place it in a sealed bag with desiccant or the original packaging box.
Warming Up: After removing from the refrigerator, do not open the cap immediately. Allow it to warm to room temperature (approximately several tens of minutes). Otherwise, moisture in the air will condense inside the bottle, causing the adhesive to deteriorate and become ineffective.
Storage Environment: Store in a cool, dry, well-ventilated place out of reach of children, away from heat sources, sparks, open flames, and direct sunlight.
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