C.I. Direct black 22
Direct Black 22
CAS: 6473-13-8
Molecular Formula: C44H32N13Na3O11S3
C.I. Direct black 22 - Names and Identifiers
| Name | Direct Black 22 |
| Synonyms | C.I. 35435 Direct Black 22 CuproqixBlackNF DiazolFastBlackJ ChlorazolBlackGF Direct Black 22 C.I.Directblack22 DirectfastblackGF DirectlightblackGF C.I. Direct Black 22 PONTAMINE FAST BLACK PGR C.1.DirectBlack22(35435) trisodium 6-[(E)-(2,4-diaminophenyl)diazenyl]-3-{(E)-[4-({4-[(E)-{7-[(E)-(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl}diazenyl]phenyl}amino)-3-sulfonatophenyl]diazenyl}-4-hydroxynaphthalene-2-sulfonate |
| CAS | 6473-13-8 |
| EINECS | 229-326-3 |
| InChI | InChI=1/C44H35N13O11S3.3Na/c45-24-3-12-35(33(47)17-24)54-51-28-5-1-22-15-39(70(63,64)65)41(43(58)31(22)19-28)56-50-27-9-7-26(8-10-27)49-37-14-11-30(21-38(37)69(60,61)62)53-57-42-40(71(66,67)68)16-23-2-6-29(20-32(23)44(42)59)52-55-36-13-4-25(46)18-34(36)48;;;/h1-21,49,58-59H,45-48H2,(H,60,61,62)(H,63,64,65)(H,66,67,68);;;/q;3*+1/p-3/b54-51+,55-52+,56-50+,57-53+;; |
C.I. Direct black 22 - Physico-chemical Properties
| Molecular Formula | C44H32N13Na3O11S3 |
| Molar Mass | 1083.97 |
| Appearance | Powder |
| Color | Black |
| Storage Condition | Room Temprature |
| Physical and Chemical Properties | Gray-blue powder. Water solubility is good, the aqueous solution is purple-black, and the addition of concentrated hydrochloric acid produces brown-black precipitation; The addition of concentrated alkali solution is dark blue red. In concentrated sulfuric acid was purple-black, diluted to produce black-brown precipitation; In concentrated nitric acid was red-brown solution, and precipitation. Slight color change of copper and iron ions during staining. |
C.I. Direct black 22 - Risk and Safety
| Safety Description | S24/25 - Avoid contact with skin and eyes. |
C.I. Direct black 22 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | direct tanning GF is mainly used for cotton, viscose fabric, dyeing and printing of the blended fabric of Jin and viscose. Also used for leather, paper dyeing. mainly used for cotton, viscose, wool/sticky, Cotton/sticky blended fabric dyeing and printing, can also be used for paper, leather dyeing. used for dyeing cotton, viscose and other fabrics |
| production method | diazotization from 4,4 '-diaminodiphenylamine -2-sulfonic acid, coupling with gamma-acid, the obtained coupling product was re-diazotized and then coupled with M-phenylenediamine, followed by salting out, filtration and drying. Kg/T 4,4 '-diaminodiphenylamine -2-sulfonic acid (100%) 225γ-acid (100%) 360 m-phenylenediamine (100%) 165 with 4,4'-diaminodiphenylamine -2-sulfonic acid, Gamma acid, M-phenylenediamine as raw materials, first of all 4,4 '-diaminodiphenylamine -2-sulfonic acid double nitrogen, coupled with gamma acid, the coupling product is then double nitrided and a second coupling with M-Phenylenediamine is performed to obtain the product. After salting out, filtration, drying, grinding to get the finished product.. |
Last Update：2024-04-09 19:05:13
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