105299-45-4
(E)-4-((4-hydroxyphenyl)diazenyl)benzoic acid
CAS: 105299-45-4
Molecular Formula: C13H10N2O3
105299-45-4 - Names and Identifiers
105299-45-4 - Physico-chemical Properties
| Molecular Formula | C13H10N2O3 |
| Molar Mass | 242.23 |
| Density | 1.30±0.1 g/cm3(Predicted) |
| Melting Point | 270-280°C |
| Boling Point | 497.7±30.0 °C(Predicted) |
| pKa | 3.94±0.10(Predicted) |
| Storage Condition | 2-8°C |
105299-45-4 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
105299-45-4 - Introduction
4-hydroxy -4 '-carboxyazobenzene, chemical formula C12H9NO4. It is an organic compound, often referred to simply as phenol amine azo dyes. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 4-hydroxy-4 '-carboxyazobenzene is a yellow crystal with good solubility.
-Melting point: about 155-157 degrees Celsius.
-Molecular weight: 223.21g/mol.
Use:
-4-Hydroxy-4 '-carboxyazobenzene is an important dye, which is mainly used in the dyeing of textiles, leather and daily necessities.
-It is usually used as a raw material for imine azo series dyes, and can generate various dyes with different colors through reaction.
-In addition, 4-hydroxy-4 '-carboxyazobenzene can also be used as a catalyst for the synthesis of dye intermediates and organic synthesis reactions.
Preparation Method:
4-hydroxy -4 '-carboxyazobenzene has a variety of preparation methods:
-A common method is to oxidatively couple aminophenol with phenol in the presence of sulfuric acid.
-Another method is to oxidize aminophenol and nitrobenzene in the presence of sulfuric acid to obtain nitroazobenzene, and then undergo reduction and carboxylation reactions to generate the target product.
Safety Information:
- 4-hydroxy -4 '-carboxyazobenzene is irritating to skin, eyes and respiratory tract, and protective measures should be paid attention to when using.
-Avoid inhalation, contact with skin and eyes. In case of contact, rinse immediately with plenty of water.
-Avoid contact with fire sources. Be sure to store in a cool, dry place, away from high temperatures and open flames.
As the use of this compound may require specialized knowledge and laboratory equipment, please do so under the guidance of an experienced person.
Nature:
-Appearance: 4-hydroxy-4 '-carboxyazobenzene is a yellow crystal with good solubility.
-Melting point: about 155-157 degrees Celsius.
-Molecular weight: 223.21g/mol.
Use:
-4-Hydroxy-4 '-carboxyazobenzene is an important dye, which is mainly used in the dyeing of textiles, leather and daily necessities.
-It is usually used as a raw material for imine azo series dyes, and can generate various dyes with different colors through reaction.
-In addition, 4-hydroxy-4 '-carboxyazobenzene can also be used as a catalyst for the synthesis of dye intermediates and organic synthesis reactions.
Preparation Method:
4-hydroxy -4 '-carboxyazobenzene has a variety of preparation methods:
-A common method is to oxidatively couple aminophenol with phenol in the presence of sulfuric acid.
-Another method is to oxidize aminophenol and nitrobenzene in the presence of sulfuric acid to obtain nitroazobenzene, and then undergo reduction and carboxylation reactions to generate the target product.
Safety Information:
- 4-hydroxy -4 '-carboxyazobenzene is irritating to skin, eyes and respiratory tract, and protective measures should be paid attention to when using.
-Avoid inhalation, contact with skin and eyes. In case of contact, rinse immediately with plenty of water.
-Avoid contact with fire sources. Be sure to store in a cool, dry place, away from high temperatures and open flames.
As the use of this compound may require specialized knowledge and laboratory equipment, please do so under the guidance of an experienced person.
Last Update：2024-04-10 22:29:15
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Featured ProductsSpot supply
Product Name: 4-[(4'-hydroxyphenyl)diazenyl] benzoic acid Visit Supplier Webpage Request for quotationCAS: 105299-45-4
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328
WhatsApp: +86-18821248368
Spot supply
Product Name: (E)-4-((4-Hydroxyphenyl)diazenyl)benzoicacid Request for quotationCAS: 105299-45-4
Tel: 400-968-2212
Email: 3623107365@qq.com
Mobile: 18916960931
QQ: 3623107365
Wechat: 18916960931
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