4-硝基苯酞 (CAS No.65399-18-0)
- 物化性质
- 淡黄色至黄色结晶粉末，熔点127-132℃，沸点约351.8℃，闪点约166.5℃，相对密度约1.457。微溶于水，溶于乙醇、乙醚、DMF、DMSO等有机溶剂。遇光、遇热易变色，应密封避光保存。
- 熔点
- 127-132℃
- 外观
- 淡黄色至黄色结晶粉末
English description（英文原文，共 1142 字符）
Product Name:4-Nitrophthalide
English Name:4-Nitrophthalide
CAS No.:65399-18-0
Aliases:4-Nitro-2-benzofuran-1(3H)-one, 4-Nitro-3H-isobenzofuran-1-one
Molecular Formula:C8H5NO4
Physical Properties:Light yellow to yellow crystalline powder; melting point 127-132°C; boiling point approximately 351.8°C; flash point approximately 166.5°C; relative density about 1.457. Slightly soluble in water; soluble in organic solvents such as ethanol, diethyl ether, DMF, and DMSO. Easily discolored by light and heat; store sealed, protected from light.
Uses:4-Nitrophthalide is an important organic synthesis intermediate, mainly used in the pharmaceutical, agrochemical, and dye industries. In the pharmaceutical field, it can be used to synthesize 4-aminophthalide and a series of biologically active heterocyclic compounds, such as benzofuranone derivatives. It is also used to prepare key intermediates for certain cardiovascular and central nervous system drugs.
Technical Specifications:
Assay (HPLC): ≥98.0%
Melting point: 127-132°C
Loss on drying: ≤0.5%
Residue on ignition: ≤0.1%
Appearance: light yellow to yellow crystalline powder
English Name:4-Nitrophthalide
CAS No.:65399-18-0
Aliases:4-Nitro-2-benzofuran-1(3H)-one, 4-Nitro-3H-isobenzofuran-1-one
Molecular Formula:C8H5NO4
Physical Properties:Light yellow to yellow crystalline powder; melting point 127-132°C; boiling point approximately 351.8°C; flash point approximately 166.5°C; relative density about 1.457. Slightly soluble in water; soluble in organic solvents such as ethanol, diethyl ether, DMF, and DMSO. Easily discolored by light and heat; store sealed, protected from light.
Uses:4-Nitrophthalide is an important organic synthesis intermediate, mainly used in the pharmaceutical, agrochemical, and dye industries. In the pharmaceutical field, it can be used to synthesize 4-aminophthalide and a series of biologically active heterocyclic compounds, such as benzofuranone derivatives. It is also used to prepare key intermediates for certain cardiovascular and central nervous system drugs.
Technical Specifications:
Assay (HPLC): ≥98.0%
Melting point: 127-132°C
Loss on drying: ≤0.5%
Residue on ignition: ≤0.1%
Appearance: light yellow to yellow crystalline powder
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常见问题
- 4-硝基苯酞的 CAS 号是多少？
- 4-硝基苯酞的 CAS 号是 65399-18-0。
- 4-硝基苯酞的分子式和分子量是什么？
- 4-硝基苯酞的分子式为 C8H5NO4。
- 4-硝基苯酞的英文名称是什么？
- 4-硝基苯酞的英文名称为 4-Nitrophthalide。
- 4-硝基苯酞还有哪些别名？
- 4-硝基苯酞又称 4-硝基-2-苯并呋喃-1(3H)-酮、4-硝基-3H-异苯并呋喃-1-酮。
- 4-硝基苯酞有哪些供应商和生产厂家？
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