65399-18-0 - Names and Identifiers
65399-18-0 - Physico-chemical Properties
Molecular Formula | C8H5NO4
|
Molar Mass | 179.13 |
Density | 1.519 |
Melting Point | 151-154 °C |
Boling Point | 414.6±45.0 °C(Predicted) |
Flash Point | 230.4°C |
Vapor Presure | 4.39E-07mmHg at 25°C |
Storage Condition | 2-8℃ |
Refractive Index | 1.632 |
65399-18-0 - Introduction
4-Nitrophthalide is an organic compound with the chemical formula C8H5NO4. The following is a description of the nature, use, formulation and safety information of 4-Nitrophthalide:
Nature:
-Appearance: 4-Nitrophthalide in the form of yellow crystals or powder.
-Melting point: about 140-141 ℃.
-Solubility: 4-Nitrophthalide is soluble in alcohol, ether, ester and other organic solvents, insoluble in water.
-Stability: 4-Nitrophthalide is stable, but may decompose under high temperature, strong acid and strong alkali conditions.
Use:
- 4-Nitrophthalide is useful as a reagent, catalyst, and intermediate compound.
-It is often used to prepare different types of fluorescent dyes in organic synthesis.
-Due to its special structure and chemical properties, 4-Nitrophthalide has a wide range of applications in dyes, pharmaceuticals, cosmetics and other fields.
Preparation Method:
- 4-Nitrophthalide can be prepared by reacting phthalide with nitric acid.
-The preparation can be carried out by adding nitric acid to the phthalide solution, reacting at a suitable temperature, and then separating 4-Nitrophthalide by crystallization.
Safety Information:
- 4-Nitrophthalide is toxic and may cause irritation and injury to humans.
-Care is required to avoid inhalation or contact with skin, eyes and mucous membranes.
-Wear appropriate personal protective equipment such as lab gloves, glasses and protective clothing when using 4-Nitrophthalide.
-Store 4-Nitrophthalide in a dark, dry and well-ventilated place away from flammable materials and oxidizing agents.
Last Update:2024-04-09 19:05:51