7246-07-3 - Names and Identifiers
7246-07-3 - Physico-chemical Properties
Molecular Formula | C11H10NNaO4S
|
Molar Mass | 275.26 |
Melting Point | >280°C |
Appearance | powder to crystal |
Color | White to Almost white |
7246-07-3 - Risk and Safety
Safety Description | S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
|
WGK Germany | 3 |
7246-07-3 - Introduction
Acid sodium salt hemihydrate is an organic compound with the chemical formula C11H11NO4SNa · 0.5H2O. It is a white crystalline powder. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: White crystalline powder
-Solubility: Soluble in water and some organic solvents
-melting point: 178-180 ℃
-Molecular weight: 283.26g/mol
Use:
-the sodium salt hemihydrate can be used as a special fluorescent dye, which has application value in the fields of chemical analysis, separation and detection.
-Can be used for selective analysis of metal ions and fluorescent probes.
Preparation Method:
The preparation method of acid sodium salt hemihydrate generally involves the following steps:
1. react 8-ethoxyquinoline with concentrated sulfuric acid to generate 8-ethoxyquinoline -5-sulfonic acid.
2. The generated 8-ethoxyquinoline-5-sulfonic acid is reacted with alkali (such as sodium hydroxide) to generate acid sodium salt hemihydrate.
3. Finally, the resulting compound is purified by crystallization or other methods.
Safety Information:
-the toxicity information of acidsodium salt hemihydrate is limited, and it is generally considered to have low toxicity under the recommended use conditions.
-Use with care to avoid inhalation, ingestion and contact with skin and eyes.
-Follow general laboratory safety procedures and wear appropriate personal protective equipment, such as gloves, goggles and laboratory coats.
-Waste disposal should be carried out in accordance with local regulations.
Last Update:2024-04-10 22:29:15