C.I. Acid red 118 - Names and Identifiers
Name | Acid Red 118
|
Synonyms | Red GW Acid Red 118 C.I. Acid red 118 C.I. Acid Red 118 Acid red 118 (C.I. 26410) 6-amino-5-[3-(ethyl-phenyl-sulfamoyl)-4-methyl-phenyl]azo-4-hydroxy-naphthalene-2-sulfonic acid (6E)-5-(2-{3-[ethyl(phenyl)sulfamoyl]-4-methylphenyl}hydrazino)-6-imino-4-oxo-4,6-dihydronaphthalene-2-sulfonic acid
|
CAS | 12217-35-5
|
EINECS | 280-149-8 |
InChI | InChI=1/C25H24N4O6S2/c1-3-29(19-7-5-4-6-8-19)36(31,32)23-14-18(11-9-16(23)2)27-28-25-21(26)12-10-17-13-20(37(33,34)35)15-22(30)24(17)25/h4-15,30H,3,26H2,1-2H3,(H,33,34,35) |
C.I. Acid red 118 - Physico-chemical Properties
Molecular Formula | C25H24N4O6S2
|
Molar Mass | 540.611 |
Density | 1.45g/cm3 |
Refractive Index | 1.681 |
C.I. Acid red 118 - Introduction
Acid Red 118 is an organic synthetic dye, also known as Red Alizarin Acid Red 4G. The following is an introduction to the nature, use, preparation and safety information of acid red 118:
Nature:
-Acid Red 118 is a red crystalline powder, soluble in water and alcohol solvents.
-It is acidic in aqueous solution, and the pH value is usually between 2-4.
-It has good light stability and temperature resistance.
Use:
-Acid red 118 is mainly used as a textile dye, suitable for dyeing silk, cotton fabric, wool and nylon.
-It can also be used in industries such as ink, cosmetics, leather and paper.
Preparation Method:
-The preparation method of acid red 118 is usually obtained by reacting synthetic organic dyes with corresponding acidic compounds.
-The specific preparation method may vary depending on the manufacturer and production process.
Safety Information:
-Acid red 118 is a chemical substance for industrial use, and attention should be paid to safe operation during use.
-Avoid touching skin and eyes directly when touching acid red 118.
-Wear appropriate protective gloves and glasses when handling acid red 118.
-Follow the correct use and storage methods and dispose of them in accordance with local regulations.
-If an accident occurs, immediately flush the affected area with plenty of water and seek medical help in a timely manner.
Please note that the above information is for reference only. The specific use and handling of Acid Red 118 should follow relevant safety guidelines and regulations. Use caution when using chemicals and follow proper operating and safety procedures.
Last Update:2024-04-09 19:05:46