邻甲酚酞 (CAS No.596-27-0)
- 物化性质
- 白色至微黄色结晶性粉末,不溶于水,易溶于乙醇和丙酮,溶于稀碱溶液呈红色。熔点约223℃。
- 技术参数
- 外观为白色至微黄色结晶粉末 纯度≥99% 熔点约223℃ 变色范围pH 8.2(无色)-9.8(红色)
- 溶解性
- 不溶于水,易溶于乙醇和丙酮
English description(英文原文,共 851 字符)
Product Name:o-Cresolphthalein
English Name:o-Cresolphthalein
CAS No.:596-27-0
Aliases:2-Cresolphthalein, 3,3'-Dimethylphenolphthalein, o-Cresolphthalein, 3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone
Molecular Formula:C22H18O4
Physical Properties:White to slight yellow crystalline powder. Insoluble in water, soluble in ethanol and acetone. Dissolves in dilute alkali solution giving a red color. Melting point approximately 223°C.
Uses:Used as an acid-base indicator with a color change range of pH 8.2 (colorless) to 9.8 (red). Also used as an indicator for gasoline octane number.
Technical Specifications:
Appearance: white to slight yellow crystalline powder
Purity: ≥99%
Melting point: approximately 223°C
Color change range: pH 8.2 (colorless) to 9.8 (red)
Solubility: insoluble in water, soluble in ethanol and acetone
English Name:o-Cresolphthalein
CAS No.:596-27-0
Aliases:2-Cresolphthalein, 3,3'-Dimethylphenolphthalein, o-Cresolphthalein, 3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone
Molecular Formula:C22H18O4
Physical Properties:White to slight yellow crystalline powder. Insoluble in water, soluble in ethanol and acetone. Dissolves in dilute alkali solution giving a red color. Melting point approximately 223°C.
Uses:Used as an acid-base indicator with a color change range of pH 8.2 (colorless) to 9.8 (red). Also used as an indicator for gasoline octane number.
Technical Specifications:
Appearance: white to slight yellow crystalline powder
Purity: ≥99%
Melting point: approximately 223°C
Color change range: pH 8.2 (colorless) to 9.8 (red)
Solubility: insoluble in water, soluble in ethanol and acetone
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常见问题
- 邻甲酚酞的 CAS 号是多少?
- 邻甲酚酞的 CAS 号是 596-27-0。
- 邻甲酚酞的分子式和分子量是什么?
- 邻甲酚酞的分子式为 C22H18O4。
- 邻甲酚酞的英文名称是什么?
- 邻甲酚酞的英文名称为 o-Cresolphthalein。
- 邻甲酚酞还有哪些别名?
- 邻甲酚酞又称 2-甲酚酞、3,3'-二甲基酚酞、邻甲酚呋酞、3,3'-二甲酚酞、3,3-双(4-羟基-3-甲基苯基)-1(3H)-异苯并呋喃酮。
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