Ethyl cyanoacrylate is a low-viscosity, colorless, and transparent liquid organic compound, the core component of what is commonly known as "502 glue" or super glue. It possesses extremely strong adhesive properties and is widely used in industrial manufacturing, home repairs, and handicrafts.
| Chemical Name | Ethyl Cyanoacrylate |
| Chemical Formula | C₆H₇NO₂ |
| CAS Number | 7085-85-0 |
| Appearance | Colorless Transparent Liquid |
| Melting Point | - |
| Boiling Point | 54-56 °C (3 mm Hg) |
| Density (±20), g/cm³ | 1.06 g/cm³ |
| Molecular weight | 125.13 |
| Solubility | Soluble in acetylene (slight), benzene (slight), chloroform (slight) |
Ethyl cyanoacrylate is a type of α-cyanoacrylate adhesive. α-cyanoacrylate adhesives are characterized by fast curing, wide compatibility with various materials, thin adhesive layer, good transparency, and ease of use, thus they are widely used in everyday life and industrial adhesives.
Unopened Storage (Long-Term Preservation): Refrigerate at 2°C to 8°C. Shelf life is typically up to 12 months. Do not freeze, as this may damage the adhesive's properties.
Opened Storage (Daily Use): Do not return to the refrigerator. If the adhesive taken from the refrigerator is not brought to room temperature, condensation can easily form inside the bottle. Store in a cool, dry place out of reach of children, away from direct sunlight. After use, wipe the bottle opening clean with a paper towel and tighten the cap. Storage Environment: Keep away from fire, heat, and oxidizers. Avoid storing with strong acids, strong alkalis, or amines.
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