2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid - Names and Identifiers
Name | 2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid
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Synonyms | 5- sulfonated o-aminobenzoic acid 2-(2-Benzylidenehydrazino)-5-sulfobenzoic acid 2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid 2-(2-Benzylidenehydrazinyl)-5-sulfobenzoic acid benzoic acid, 2-[2-(phenylmethylene)hydrazinyl]-5-sulfo- Benzoic acid, 2-[2-(phenylmethylene)hydrazinyl]-5-sulfo-
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CAS | 68645-45-4
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InChI | InChI=1/C14H12N2O5S/c17-14(18)12-8-11(22(19,20)21)6-7-13(12)16-15-9-10-4-2-1-3-5-10/h1-9,16H,(H,17,18)(H,19,20,21) |
2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid - Physico-chemical Properties
Molecular Formula | C14H12N2O5S
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Molar Mass | 320.32 |
Density | 1.43±0.1 g/cm3(Predicted) |
pKa | -1.11±0.50(Predicted) |
Refractive Index | 1.642 |
2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid - Introduction
2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid is an organic compound with the chemical formula C14H12N2O5S. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid is usually a white crystalline powder.
-Solubility: It is insoluble in water, but can be dissolved in organic solvents (such as alcohols, ketones and esters).
-Melting point: Its melting point is about 250-255°C.
Use:
- 2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid is commonly used as an intermediate for dyes, especially as a precursor for organic dyes.
-It can also be used in dye-sensitized solar cells, photodiodes and other electronic devices.
Preparation Method:
The synthetic method of 2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid is as follows:
-First, 3-nitrobenzoic acid hydrazone is reacted with sodium sulfite to generate 3-nitrobenzoic acid acid salt.
-Then, the acid salt of 3-nitrobenzoic acid and 2-phenylethanone are added under basic conditions to generate 2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid.
Safety Information:
Regarding the safety of 2-(2-benzylidenehydrazino)-5-sulfo-benzoic acid, the following are some general safety precautions:
-General safety practices for chemicals must be followed during use or storage.
-Wear appropriate personal protective equipment such as gloves, glasses and lab coats during operation.
-Avoid contact with strong oxidants and strong acids.
-Avoid prolonged inhalation of its dust or contact with its solution.
-In case of accidental inhalation or contact, wash and rinse the corresponding area immediately, and seek medical help if necessary.
However, specific safety data and operational information should be evaluated and adhered to in accordance with product-specific safety data sheets.
Last Update:2024-04-10 22:29:15