Direct blue 9 (C.I. 24155)
- CAS NO.：6428-98-4
- Empirical Formula: C34H27N4NaO13S3
- Molecular Weight: 818.77
What is Direct blue 9 (C.I. 24155)?
Preparation
3,3′-Dimethoxylbenzidine double nitriding, first and 3-Hydroxynaphthalene-2,7-disulfonic acid coupled , and then 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
blue. Soluble in water, soluble in alcohol. The strong sulfuric acid for blue, blue after diluted precipitation. The dye water solution is blue, to join the hydrochloric acid have precipitation of dark; Add sodium hydroxide solution for purplish red color.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 4 | 2 | 1-2 | 2 | ||
Safety information for Direct blue 9 (C.I. 24155)
New Products
2-Amino-5-bromo- benzoic acid 2-Benzyl-1,1,3,3-tetramethylisoindoline Dibenzoyl-L-tartaric acid Anhydrous (Resolution Reagent) Dibenzo[b,f][1,4]thiazepin-11(10H)-one 1,2,3,9-Tetrahydro-9-Methyl-4H-Carbazole-4-One Cis-Tosylate 1-(4-methoxyphenyl)-4-(4-Nitrophenyl)Piperazine (IT-1) 1-aminocyclobutanecarbonitrile hydrochloride AMINO-O-TOLYL-ACETIC ACID 1-Aminocyclobutanecarboxylic Acid Hydrochloride AMINO(2-BROMOPHENYL)ACETIC ACID 6-BROMOTETRAZOLO[1,5-A]PYRIDINE 3-Oxocyclobutanecarboxylic acid METHANOL-D1(OD) TERTIARY BUTANOL-D9 N-ETHYL-D5-AMINE HYDROCHLORIDE BENZOIC ACID-D CHLOROFORM-D TOLUENE-D3 3-tert-Butyl-5-bromobenzaldehyde Methyl 6-(hydroxymethyl)nicotinate 4-Bromo-3-iodoaniline 4-(piperazin-1-yl)benzene-1,2-diamine 1-(3-Chlorophenyl)piperazine hydrochlorideRelated products of tetrahydrofuran
![tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)](https://img.chemicalbook.in/CAS/20180808/GIF/13569-92-1.gif)
You may like
-
254762-66-8 AMINO(2-BROMOPHENYL)ACETIC ACID 98+View Details
254762-66-8 -
6-BROMOTETRAZOLO[1,5-A]PYRIDINE 98+View Details
5799-75-7 -
254762-66-8 AMINO(2-BROMOPHENYL)ACETIC ACID 98+View Details
254762-66-8 -
23716-23-1 98+View Details
23716-23-1 -
6-BROMOTETRAZOLO[1,5-A]PYRIDINE 98+View Details
5799-75-7 -
254762-66-8 AMINO(2-BROMOPHENYL)ACETIC ACID 98+View Details
254762-66-8 -
23716-23-1 98+View Details
23716-23-1 -
6-BROMOTETRAZOLO[1,5-A]PYRIDINE 98+View Details
5799-75-7
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.