方酸 (CAS No.2892-51-5)
- 物化性质
- 白色至米色结晶粉末。熔点>300°C,沸点250.96°C,密度1.82 g/cm³,折射率1.5800(估算),闪点190°C,酸度系数pKa 1.5(25°C)。溶于水,30°C时溶解度为20 g/L,水溶液(1 g/L,20°C)pH值约为1。储存条件:惰性气氛、室温。
- 技术参数
- 纯度≥98% 熔点>300°C 沸点250.96°C 密度1.82 g/cm³ 闪点190°C
English description(英文原文,共 868 字符)
Product Name:Squaric acid
English Name:Squaric acid
CAS No.:2892-51-5
Aliases:3,4-Dihydroxy-3-cyclobutene-1,2-dione
Molecular Formula:C4H2O4
Physical Properties:White to beige crystalline powder. Melting point >300°C, boiling point 250.96°C, density 1.82 g/cm³, refractive index 1.5800 (estimated), flash point 190°C, pKa 1.5 at 25°C. Soluble in water with a solubility of 20 g/L at 30°C; pH of aqueous solution (1 g/L, 20°C) is approximately 1. Storage: inert atmosphere, room temperature.
Uses:Mainly used as an intermediate in synthetic materials, for the preparation of squaric acid derivatives, photosensitive materials, and organic synthesis reagents. It is also used in the synthesis of pharmaceuticals and dyes as fine chemicals.
Technical Specifications:
Purity ≥98%
Melting point >300°C
Boiling point 250.96°C
Density 1.82 g/cm³
Flash point 190°C
English Name:Squaric acid
CAS No.:2892-51-5
Aliases:3,4-Dihydroxy-3-cyclobutene-1,2-dione
Molecular Formula:C4H2O4
Physical Properties:White to beige crystalline powder. Melting point >300°C, boiling point 250.96°C, density 1.82 g/cm³, refractive index 1.5800 (estimated), flash point 190°C, pKa 1.5 at 25°C. Soluble in water with a solubility of 20 g/L at 30°C; pH of aqueous solution (1 g/L, 20°C) is approximately 1. Storage: inert atmosphere, room temperature.
Uses:Mainly used as an intermediate in synthetic materials, for the preparation of squaric acid derivatives, photosensitive materials, and organic synthesis reagents. It is also used in the synthesis of pharmaceuticals and dyes as fine chemicals.
Technical Specifications:
Purity ≥98%
Melting point >300°C
Boiling point 250.96°C
Density 1.82 g/cm³
Flash point 190°C
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常见问题
- 方酸的 CAS 号是多少?
- 方酸的 CAS 号是 2892-51-5。
- 方酸的分子式和分子量是什么?
- 方酸的分子式为 C4H2O4。
- 方酸的英文名称是什么?
- 方酸的英文名称为 Squaric acid。
- 方酸还有哪些别名?
- 方酸又称 3,4-二羟基-3-环丁烯-1,2-二酮。
- 方酸有哪些供应商和生产厂家?
- 掌上化工当前收录 1 条方酸供应报价,来自 1 家供应商,可按地区、纯度、级别筛选对比。
- 方酸的供应商主要分布在哪些地区?
- 方酸的供应商主要分布在 上海市(1 条) 等地。
- 方酸有哪些级别可选?
- 平台上方酸的供应级别包括 工业级。
- 方酸的报价单位是什么?
- 方酸的报价单位主要有 千克。
- 哪里可以查到方酸的价格?
- 掌上化工方酸产品页汇总了各供应商的最新报价与规格,地址:/chemicals/2892-51-5/。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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