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HS Code |
358706 |
| Chemical Name | Methacrylic Acid 2-Hydroxyethyl Ester |
| Synonyms | 2-Hydroxyethyl methacrylate, HEMA |
| Cas Number | 868-77-9 |
| Molecular Formula | C6H10O3 |
| Molar Mass | 130.14 g/mol |
| Appearance | Clear, colorless to pale yellow liquid |
| Odor | Faint, characteristic odor |
| Boiling Point | 213 °C |
| Melting Point | -12 °C |
| Density | 1.073 g/cm³ at 20 °C |
| Solubility In Water | Miscible |
| Flash Point | 103 °C (closed cup) |
As an accredited Methacrylic Acid 2-Hydroxyethyl Ester factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Methacrylic Acid 2-Hydroxyethyl Ester is packaged in a 500 mL amber glass bottle with a secure, chemical-resistant screw cap. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 16 metric tons (160 × 200 kg drums) of Methacrylic Acid 2-Hydroxyethyl Ester, securely packed. |
| Shipping | Methacrylic Acid 2-Hydroxyethyl Ester is shipped in tightly sealed, corrosion-resistant containers, protected from light, heat, and moisture. It is classified as a flammable liquid and should be handled in accordance with local, IMDG, and IATA regulations. Proper labeling and documentation are required during transit to ensure safety and compliance. |
| Storage | Methacrylic Acid 2-Hydroxyethyl Ester should be stored in a cool, dry, and well-ventilated area, away from sources of heat, ignition, and direct sunlight. Keep the container tightly closed and protect from moisture and incompatible materials such as acids, bases, and oxidizers. Use appropriate containers, preferably made of stainless steel or glass, to prevent polymerization or decomposition. |
| Shelf Life | Methacrylic Acid 2-Hydroxyethyl Ester typically has a shelf life of 6-12 months when stored in cool, dry, and dark conditions. |
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Purity 99%: Methacrylic Acid 2-Hydroxyethyl Ester with 99% purity is used in dental composite formulations, where it ensures high polymerization efficiency and mechanical strength. Viscosity Grade Low: Methacrylic Acid 2-Hydroxyethyl Ester of low viscosity grade is used in UV-curable coatings, where it enhances rapid curing and surface smoothness. Molecular Weight 130.14 g/mol: Methacrylic Acid 2-Hydroxyethyl Ester with molecular weight of 130.14 g/mol is employed in pressure-sensitive adhesives, where it imparts balanced flexibility and adhesion properties. Stability Temperature 80°C: Methacrylic Acid 2-Hydroxyethyl Ester stable up to 80°C is used in thermal-resistant acrylic resins, where it maintains polymer integrity under elevated processing temperatures. Color APHA ≤ 20: Methacrylic Acid 2-Hydroxyethyl Ester with APHA color value ≤ 20 is used in optical-grade polymers, where it provides high optical clarity and minimal color interference. Water Content ≤ 0.2%: Methacrylic Acid 2-Hydroxyethyl Ester with water content ≤ 0.2% is applied in electronic encapsulation materials, where it guarantees low moisture absorption and improved dielectric performance. Inhibitor Content 200 ppm MEHQ: Methacrylic Acid 2-Hydroxyethyl Ester stabilized with 200 ppm MEHQ inhibitor is used in reactive monomer transport, where it prevents premature polymerization and enhances storage safety. Melting Point −5°C: Methacrylic Acid 2-Hydroxyethyl Ester with melting point of −5°C is utilized in cold-temperature polymerization processes, where it remains fluid and processable under low temperatures. Refractive Index 1.451: Methacrylic Acid 2-Hydroxyethyl Ester with refractive index 1.451 is used in high-index optical coatings, where it enables precise light manipulation and improved refractive control. Residual Monomer ≤ 0.1%: Methacrylic Acid 2-Hydroxyethyl Ester with residual monomer content ≤ 0.1% is used in medical device manufacturing, where it reduces cytotoxicity and improves biocompatibility. |
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