56120-28-6 - Names and Identifiers
Name | 4,4''-(DIAZOAMINO)DIBENZENESULFONIC ACID DISODIUM SALT
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Synonyms | Santalol mpurity 4 Tartrazine Impurity 2 Sunset Yellow FCF Impurity 3 4'-Diazoaminodibenzenesulfonic Acid Disodium Salt sodium 4,4'-(triaz-1-ene-1,3-diyl)dibenzenesulfonate 4,4''-(DIAZOAMINO)DIBENZENESULFONIC ACID DISODIUM SALT sodium (E)-4,4'-(triaz-1-ene-1,3-diyl)dibenzenesulfonate 4,4'-(Triazene-1,3-Diyl)Bis(Benzenesulfonic Acid Sodium) Salt
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CAS | 56120-28-6
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56120-28-6 - Physico-chemical Properties
Molecular Formula | C12H12N3NaO6S2
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Molar Mass | 381.35 |
Melting Point | >241°C (dec,) |
Solubility | DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
Appearance | Solid |
Color | Light Yellow to Orange |
Storage Condition | Amber Vial, Refrigerator, Under inert atmosphere |
56120-28-6 - Introduction
4,4 ''-(DIAZOAMINO) dibenzensulfonic ACID DISODIUM SALT is an organic compound with the chemical formula C12H8N4Na2O6S2. The following is a description of its nature, use, preparation and safety information:
Nature:
- 4,4 ''-(DIAZOAMINO)DIBENZENESULFONIC ACID DISODIUM SALT is a colorless crystalline solid.
-It has high solubility in water, and the solution is acidic.
-It is relatively stable to light and can be stored for a long time at room temperature.
Use:
- 4,4 ''-(DIAZOAMINO)DIBENZENESULFONIC ACID DISODIUM SALT is mainly used for dye synthesis in organic synthesis and diazotization reaction in organic reactions.
-It can be used as a dye intermediate for the synthesis of complex organic dyes.
-It can also be used to prepare other organic compounds, such as fluorescent dyes, photosensitizers, etc.
Method:
- 4,4 ''-(DIAZOAMINO)DIBENZENESULFONIC ACID DISODIUM SALT can be prepared by reacting benzenesulfonyl chloride with nitrosoaniline under alkaline conditions.
-First, dissolve benzenesulfonyl chloride in ether solvent, add alkali solution, and then slowly drop nitrosoaniline solution.
-After the reaction is completed, a precipitate of 4,4 ''-(DIAZOAMINO)DIBENZENESULFONIC ACID diodium SALT is obtained, which is crystallized, separated and dried to obtain the final product.
Safety Information:
- 4,4 ''-(DIAZOAMINO)DIBENZENESULFONIC ACID DISODIUM SALT is a relatively safe compound under normal circumstances, but it is still necessary to pay attention to safe operation.
-It may be irritating to the eyes, skin and respiratory system, so care should be taken to protect it when exposed.
-When using this compound, you should wear corresponding protective equipment and operate in a well-ventilated place.
-It should be kept away from fire and oxidizing agents, stored in a dry, cool place, avoid mixing with other chemicals.
-Seek medical help immediately in case of any accident or discomfort during use or handling.
Last Update:2024-04-10 22:29:15