Covalene Black SB
Direct Black 168
CAS: 85631-88-5
Molecular Formula: C34H28N9NaO11S3
Covalene Black SB - Names and Identifiers
| Name | Direct Black 168 |
| Synonyms | Black SB Direct Black SB Direct Black 168 Covalene Black SB Baycolor Black HEF Duasyn Direct Black HEF Appolo Leather Black PAN TYWUDVJKLQIBPC-IGJGKOOISA-N DIRECT BLACK 168 (TECH GRADE) trisodium 4-amino-3-[[4-[[4-[(2-amino-4-hydroxyphenyl)azo]phenyl]amino]-3-sulphonatophenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate trisodium (3E)-5-amino-6-{(E)-[4-({4-[(2E)-2-(2-amino-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]phenyl}amino)-3-sulfonatophenyl]diazenyl}-4-oxo-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2,7-disulfonate |
| CAS | 85631-88-5 |
| EINECS | 288-038-6 |
| InChI | InChI=1/C34H27N9O11S3.3Na/c35-24-17-23(44)11-13-25(24)41-38-21-8-6-19(7-9-21)37-26-12-10-22(16-27(26)55(46,47)48)40-42-32-28(56(49,50)51)14-18-15-29(57(52,53)54)33(34(45)30(18)31(32)36)43-39-20-4-2-1-3-5-20;;;/h1-17,37-39H,35-36H2,(H,46,47,48)(H,49,50,51)(H,52,53,54);;;/q;3*+1/p-3/b41-25+,42-40+,43-33-;; |
Covalene Black SB - Physico-chemical Properties
| Molecular Formula | C34H28N9NaO11S3 |
| Molar Mass | 857.82 |
| Solubility | DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
| Appearance | Solid |
| Color | Black |
| Storage Condition | Amber Vial, -20°C Freezer, Under inert atmosphere |
| Stability | Light Sensitive |
| Use | Mainly used for cotton, viscose and other cellulose fiber fabric dyeing |
Covalene Black SB - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | direct black 168 is a direct dye. Direct dyes are widely used in cotton, viscose, silk and hemp dyeing and printing, but also a large number of polyester/sticky, polyester/cotton, wool/sticky, the dyeing and printing of blended products such as Jin/sticky is also an important dye category used in the non-textile industry, which is widely used in the coloring of paper, leather and wood, and writing ink and ink-jet printing ink, etc. some direct dyes can be further processed into lake pigments, as organic pigments for paint, ink, plastic, rubber and other coloring, therefore, the development of direct dyes plays an important role in the dye industry. |
| Use | mainly used for dyeing cellulose fiber fabrics such as cotton and viscose direct black HEF is used for cotton, dyeing and printing of viscose fiber and silk. Can also be used for leather coloring. |
| production method | 4,4 '-diaminodiphenylaniline-2-sulfonic acid, M-aminophenol, H acid and aniline are used as raw materials. The product was obtained by double nitriding 4,4 '-diamino-α-sulfonic acid, coupling with M-aminobenzoic acid and H acid, respectively, and finally diazotizing aniline and coupling with the aforementioned bis-azo compound. After salting out, filtration, drying, grinding to get the finished product... |
Last Update：2024-04-09 19:05:15
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Product Name: Direct Black 168 Visit Supplier Webpage Request for quotationCAS: 85631-88-5
Tel: 609-228-6898
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Mobile: 609-228-6898
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Product Name: Direct black 168 Visit Supplier Webpage Request for quotationCAS: 85631-88-5
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Product Name: Direct Black 168 Visit Supplier Webpage Request for quotationCAS: 85631-88-5
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328
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Product Name: Direct Black 168 Visit Supplier Webpage Request for quotation
CAS: 85631-88-5
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Mobile: 18021002903
QQ: 3008007409
CAS: 85631-88-5
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View History
Covalene Black SB
(S)-(5-溴-2-氯苯基)(4-((四氢呋喃-3-基)氧基)苯基)甲酮
5-[[2-(1-吡咯烷基)乙基]硫基]-2-噻唑胺
4-苯并[B]噻吩-4-基-1-哌嗪羧酸叔丁酯
POLY(2-ETHYLHEXYL ACRYLATE), SOLUTION IN TOLUENE, AVERAGE MW CA. 92,000 (GPC
2-chloroadenine
(S)-(5-溴-2-氯苯基)(4-((四氢呋喃-3-基)氧基)苯基)甲酮
5-[[2-(1-吡咯烷基)乙基]硫基]-2-噻唑胺
4-苯并[B]噻吩-4-基-1-哌嗪羧酸叔丁酯
POLY(2-ETHYLHEXYL ACRYLATE), SOLUTION IN TOLUENE, AVERAGE MW CA. 92,000 (GPC
2-chloroadenine