C.I.Acid Green 33 - Names and Identifiers
C.I.Acid Green 33 - Upstream Downstream Industry
C.I.Acid Green 33 - Introduction
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2, 7-dissifonic acid disodium salt is an organic compound with the chemical formula C28H18N6O10S2Na2. Its properties and uses are as follows:
Nature:
-Appearance: This compound is an orange-red powder.
-Solubility: It is soluble in water and soluble in some organic solvents such as alcohols and ethers.
-Stability: This compound is relatively stable, but avoid contact with strong acids, strong bases and high temperatures.
Use:
-Dye: It is an organic dye, often used as a dye for textiles, leather and paper.
-Indicator: It can also be used as an acid-base indicator, which can show different colors in the solution.
Method:
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt can be synthesized by various methods, one of the typical synthesis methods is as follows:
1. First, 2-aminophthalene-1, 6-disulfonic acid is coupled with 4-aminophenol to generate 4-amino-5-hydroxy-2, 7-napthalene disulfonic acid.
2. Then, the product is reacted with 4-nitrobenzeneazonium salt and N-(4-benzenediazonium-2,5-diketophenyl)benzeneamine to produce 4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2, 7-diulfonic acid.
3. Finally, the prepared compound is reacted with sodium salt to form 4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2, 7-diulfonic acid disodium salt.
Safety Information:
Last Update：2024-04-10 22:29:15