甲基丙烯酸羟乙酯 (CAS No.868-77-9)
- 中文别名
- 2-羟基乙基甲基丙烯酸酯；甲基丙烯酸-2-羟基乙酯；乙二醇单甲基丙烯酸酯；HEMA
- 英文名称
- 2-Hydroxyethyl methacrylate
- 分子式
- C6H10O3
- 所属类别
- 胶粘剂助剂
- 物化性质
- 无色透明液体，易溶于水、乙醇、丙酮等有机溶剂，微溶于己烷。密度约1.073 g/cm³（20°C），沸点约189°C（常压），闪点约97°C（闭杯），折射率约1.4505，分子量130.14。易自聚，通常添加阻聚剂（MEHQ）以保持稳定。
- 外观
- 无色透明液体。 含量（GC）≥97.0%。 水分≤0.5%。 酸值≤0.3 mgKOH/g。
English description（英文原文，共 1200 字符）
Product Name:2-Hydroxyethyl methacrylate
English Name:2-Hydroxyethyl methacrylate
CAS No.:868-77-9
Aliases:2-Hydroxyethyl 2-methylprop-2-enoate, HEMA, Ethylene glycol monomethacrylate, Glycol monomethacrylate
Molecular Formula:C6H10O3
Physical Properties:Colorless transparent liquid, miscible with water, ethanol, acetone and most organic solvents, slightly soluble in hexane. Density approximately 1.073 g/cm³ at 20°C, boiling point approximately 189°C at atmospheric pressure, flash point approximately 97°C (closed cup), refractive index approximately 1.4505, molecular weight 130.14. It polymerizes readily and is typically stabilized with an inhibitor such as MEHQ.
Uses:Used as a monomer in the production of hydrophilic polymers, widely applied in contact lenses, coatings, adhesives, fiber processing, and inks. It can copolymerize with monomers such as acrylates and styrene to introduce hydroxyl groups, improving adhesion and hydrophilicity, and is used in waterborne polyurethanes and crosslinking agents.
Technical Specifications:
Appearance: colorless clear liquid.
Purity (GC) ≥ 97.0%.
Water content ≤ 0.5%.
Acid value ≤ 0.3 mg KOH/g.
Inhibitor (MEHQ) content: 50-100 ppm.
English Name:2-Hydroxyethyl methacrylate
CAS No.:868-77-9
Aliases:2-Hydroxyethyl 2-methylprop-2-enoate, HEMA, Ethylene glycol monomethacrylate, Glycol monomethacrylate
Molecular Formula:C6H10O3
Physical Properties:Colorless transparent liquid, miscible with water, ethanol, acetone and most organic solvents, slightly soluble in hexane. Density approximately 1.073 g/cm³ at 20°C, boiling point approximately 189°C at atmospheric pressure, flash point approximately 97°C (closed cup), refractive index approximately 1.4505, molecular weight 130.14. It polymerizes readily and is typically stabilized with an inhibitor such as MEHQ.
Uses:Used as a monomer in the production of hydrophilic polymers, widely applied in contact lenses, coatings, adhesives, fiber processing, and inks. It can copolymerize with monomers such as acrylates and styrene to introduce hydroxyl groups, improving adhesion and hydrophilicity, and is used in waterborne polyurethanes and crosslinking agents.
Technical Specifications:
Appearance: colorless clear liquid.
Purity (GC) ≥ 97.0%.
Water content ≤ 0.5%.
Acid value ≤ 0.3 mg KOH/g.
Inhibitor (MEHQ) content: 50-100 ppm.
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常见问题
- 甲基丙烯酸羟乙酯的 CAS 号是多少？
- 甲基丙烯酸羟乙酯的 CAS 号是 868-77-9。
- 甲基丙烯酸羟乙酯的分子式和分子量是什么？
- 甲基丙烯酸羟乙酯的分子式为 C6H10O3。
- 甲基丙烯酸羟乙酯的英文名称是什么？
- 甲基丙烯酸羟乙酯的英文名称为 2-Hydroxyethyl methacrylate。
- 甲基丙烯酸羟乙酯还有哪些别名？
- 甲基丙烯酸羟乙酯又称 2-羟基乙基甲基丙烯酸酯、甲基丙烯酸-2-羟基乙酯、乙二醇单甲基丙烯酸酯、HEMA。
- 甲基丙烯酸羟乙酯有哪些供应商和生产厂家？
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