邻苯二甲酸 (CAS No.88-99-3)
- 物化性质
- 白色单斜结晶粉末，密度1.59g/cm³，熔点约207°C，加热至230°C脱水生成邻苯二甲酸酐。微溶于水，溶于醇和醚，不溶于氯仿和苯。饱和水溶液pH值约为2.0，具有弱酸性。
- 技术参数
- 外观为白色结晶粉末 含量(C8H6O4) ≥99.5% 熔点范围 206-209°C 干燥失重 ≤0.2% 灼烧残渣 ≤0.05%
English description（英文原文，共 1019 字符）
Product Name:Phthalic acid
English Name:Phthalic acid
CAS No.:88-99-3
Aliases:1,2-Benzenedicarboxylic acid, Benzene-1,2-dicarboxylic acid
Molecular Formula:C8H6O4
Physical Properties:White monoclinic crystalline powder with a density of 1.59 g/cm³, melting point of approximately 207°C, and dehydration to phthalic anhydride upon heating to 230°C. Slightly soluble in water, soluble in alcohol and ether, insoluble in chloroform and benzene. The saturated aqueous solution exhibits a pH of approximately 2.0 and shows weak acidity.
Uses:Mainly used in the manufacture of dye intermediates, pharmaceuticals (such as phenolphthalein), plasticizers, and synthetic resins. It serves as a primary standard for acid-base titrations in analytical chemistry. It is also used as a raw material in the production of polyester fibers and alkyd resins.
Technical Specifications:
Appearance: white crystalline powder
Assay (C8H6O4): ≥99.5%
Melting point range: 206-209°C
Loss on drying: ≤0.2%
Residue on ignition: ≤0.05%
English Name:Phthalic acid
CAS No.:88-99-3
Aliases:1,2-Benzenedicarboxylic acid, Benzene-1,2-dicarboxylic acid
Molecular Formula:C8H6O4
Physical Properties:White monoclinic crystalline powder with a density of 1.59 g/cm³, melting point of approximately 207°C, and dehydration to phthalic anhydride upon heating to 230°C. Slightly soluble in water, soluble in alcohol and ether, insoluble in chloroform and benzene. The saturated aqueous solution exhibits a pH of approximately 2.0 and shows weak acidity.
Uses:Mainly used in the manufacture of dye intermediates, pharmaceuticals (such as phenolphthalein), plasticizers, and synthetic resins. It serves as a primary standard for acid-base titrations in analytical chemistry. It is also used as a raw material in the production of polyester fibers and alkyd resins.
Technical Specifications:
Appearance: white crystalline powder
Assay (C8H6O4): ≥99.5%
Melting point range: 206-209°C
Loss on drying: ≤0.2%
Residue on ignition: ≤0.05%
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常见问题
- 邻苯二甲酸的 CAS 号是多少？
- 邻苯二甲酸的 CAS 号是 88-99-3。
- 邻苯二甲酸的分子式和分子量是什么？
- 邻苯二甲酸的分子式为 C8H6O4。
- 邻苯二甲酸的英文名称是什么？
- 邻苯二甲酸的英文名称为 Phthalic acid。
- 邻苯二甲酸还有哪些别名？
- 邻苯二甲酸又称 1,2-苯二甲酸、苯二甲酸、酞酸。
- 邻苯二甲酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条邻苯二甲酸供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 邻苯二甲酸的供应商主要分布在哪些地区？
- 邻苯二甲酸的供应商主要分布在 上海市（1 条） 等地。
- 邻苯二甲酸有哪些级别可选？
- 平台上邻苯二甲酸的供应级别包括 工业级。
- 邻苯二甲酸的报价单位是什么？
- 邻苯二甲酸的报价单位主要有 千克。
- 哪里可以查到邻苯二甲酸的价格？
- 掌上化工邻苯二甲酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/88-99-3/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
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