Acid Blue 113

dark blue powder

DryPowder

Using m-aminobenzenesulfonic acid, 1-naphthylamine and N-phenyl peri acid (8-anilino-1-naphthalenesulfonic acid) as raw materials, first diazotize m-aminobenzenesulfonic acid, and Naphthylamine coupling; then the coupling product is diazotized and coupled with phenyl peri-acid to obtain the product. After neutralization, salting out, filtration and drying, the finished product is obtained. . Add 600L of water and sodium m-aminobenzene sulfonate solution (including 78 kg of m-aminobenzene sulfonic acid) to the diazonium pot, and cool to 3-5°C. Then add 30% hydrochloric acid 173kg, m-aminobenzene sulfonic acid is free to precipitate, dilute with water to 1500L, add 30% sodium nitrite solution (containing NaNO2 31.05kg), continue to stir for 1h until clear. Transfer it to the coupling pot, add 1-naphthylamine hydrochloride solution (containing 66.3kg of 1-naphthylamine) under stirring, add it within 10 minutes, keep it below 10°C, continue stirring for 1 hour, and gradually use 15% liquid caustic soda Adjust the pH to 9 to obtain a monoazo compound. Add ice to cool the above monoazo compound to 4°C, add 30% sodium nitrite solution (containing 41.5kg of NaNO2), add 22.5% sulfuric acid 544kg under stirring, maintain 7-8°C, stir for 3h, and filter. The filter cake is beaten with ice water into a 1500L suspension. Add 1500L phenyl pericyclic acid aqueous solution (containing 139.5 kg of phenyl pericyclic acid) into the coupling pot, cool to 12°C, add the above suspension, and simultaneously add sodium acetate solution (about 70% concentration aqueous solution), within 2h After adding, control the pH value between 4-4.2. Continue stirring at 11-12°C for 4 hours, and adjust the pH to 8-8.5 with 15% liquid caustic soda. Raise the temperature to 90°C, add salt to salt out, press filter, dry, and crush to obtain about 390kg of product.

Mainly used for dyeing wool, nylon and silk fabrics

Dyes

Fabric, textile, and leather products not covered elsewhere

100,000 - 500,000 lb

Molecular Weight:681.7
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:11
Rotatable Bond Count:6
Exact Mass:681.07286432
Monoisotopic Mass:681.07286432
Topological Polar Surface Area:193
Heavy Atom Count:47
Complexity:1230
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes