2,5-呋喃二甲酸 (CAS No.3238-40-2)
- 物化性质
- 白色至类白色结晶粉末。密度1.604 g/cm³，沸点419.2°C（760 mmHg），闪点206°C（闭杯），折射率1.58。微溶于水，可溶于热水、乙醇和乙酸乙酯。在空气中稳定，具有有机酸的通性，可发生酯化、酰氯化等反应。
- 技术参数
- 纯度 ≥ 99% 熔点 ≥ 320°C（分解） 干燥失重 ≤ 0.5% 灼烧残渣 ≤ 0.1% 重金属含量 ≤ 10 ppm
English description（英文原文，共 1162 字符）
Product Name:2,5-Furandicarboxylic acid
English Name:2,5-Furandicarboxylic acid
CAS No.:3238-40-2
Aliases:Furan-2,5-dicarboxylic acid
Molecular Formula:C6H4O5
Physical Properties:White to off-white crystalline powder. Density 1.604 g/cm³, boiling point 419.2°C at 760 mmHg, flash point 206°C (closed cup), refractive index 1.58. Slightly soluble in water, soluble in hot water, ethanol and ethyl acetate. Stable in air, exhibits typical reactions of organic acids such as esterification and acyl chlorination.
Uses:2,5-Furandicarboxylic acid is an important bio-based platform chemical, mainly used to prepare high-performance polymers such as polyesters, polyamides and polyurethanes. Its polymerization with ethylene glycol yields polyethylene 2,5-furandicarboxylate (PEF), a renewable alternative to petroleum-based PET, widely used in packaging bottles and fiber applications. It is also applied in the synthesis of plasticizers, pharmaceutical intermediates, and metal-organic framework materials.
Technical Specifications:
Purity ≥ 99%
Melting point ≥ 320°C (decomposition)
Loss on drying ≤ 0.5%
Residue on ignition ≤ 0.1%
Heavy metals ≤ 10 ppm
English Name:2,5-Furandicarboxylic acid
CAS No.:3238-40-2
Aliases:Furan-2,5-dicarboxylic acid
Molecular Formula:C6H4O5
Physical Properties:White to off-white crystalline powder. Density 1.604 g/cm³, boiling point 419.2°C at 760 mmHg, flash point 206°C (closed cup), refractive index 1.58. Slightly soluble in water, soluble in hot water, ethanol and ethyl acetate. Stable in air, exhibits typical reactions of organic acids such as esterification and acyl chlorination.
Uses:2,5-Furandicarboxylic acid is an important bio-based platform chemical, mainly used to prepare high-performance polymers such as polyesters, polyamides and polyurethanes. Its polymerization with ethylene glycol yields polyethylene 2,5-furandicarboxylate (PEF), a renewable alternative to petroleum-based PET, widely used in packaging bottles and fiber applications. It is also applied in the synthesis of plasticizers, pharmaceutical intermediates, and metal-organic framework materials.
Technical Specifications:
Purity ≥ 99%
Melting point ≥ 320°C (decomposition)
Loss on drying ≤ 0.5%
Residue on ignition ≤ 0.1%
Heavy metals ≤ 10 ppm
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常见问题
- 2,5-呋喃二甲酸的 CAS 号是多少？
- 2,5-呋喃二甲酸的 CAS 号是 3238-40-2。
- 2,5-呋喃二甲酸的分子式和分子量是什么？
- 2,5-呋喃二甲酸的分子式为 C6H4O5。
- 2,5-呋喃二甲酸的英文名称是什么？
- 2,5-呋喃二甲酸的英文名称为 2,5-Furandicarboxylic acid。
- 2,5-呋喃二甲酸还有哪些别名？
- 2,5-呋喃二甲酸又称 2,5-呋喃二羧酸。
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