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| TSCA | TSCA listed | ||
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| ???? ?? | KE-31495 |
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4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazotization, and Naphthalen-2-ol coupling.Properties and Applications
blue light gray to black. Black powder. Soluble in water for navy blue, in the water solubility 60 g/l (80 ℃), slightly soluble in ethanol and Acetone. In concentrated sulfuric acid for blue, yellow after diluted into light brown; In concentrated nitric acid for red orange. Its aqueous solution for navy blue, join concentrated hydrochloric acid to pale yellow light brown; Join strong caustic into orange brown. Dyeing wool in nitric acid into black light purple, and have a slight white streaks. Mainly used for wool fabric dyeing, also can be used for silk and nylon dyeing, also can be used for wool and a variety of fiber blended fabric dyeing, can be in acetic acid chromium pretreatment of wool fabric direct printing. Also used in the leather dyeing.| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4-5 | 5 | 4-5 | 5 | 5 | 5 | |
| AATCC | 4-5 | 4-5 | 5 | 5 | 5 | ||
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| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Shaanxi Dideu Medichem Co. Ltd | +86-029-81138252 +86-173 9270 1263 |
1057@dideu.com | China | 3999 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29812 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 |
sales@conier.com | China | 49979 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; +17819995354 |
marketing@targetmol.com | United States | 32467 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 |
sales@tnjchem.com | China | 34563 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 |
info@dycnchem.com | China | 52704 | 58 |
| changzhou huayang technology co., ltd | +8615250961469 |
2571773637@qq.com | China | 9653 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 |
mina@chuanghaibio.com | China | 18126 | 58 |
| PT CHEM GROUP LIMITED | +86-85511178; |
peter68@ptchemgroup.com | China | 35425 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +86-571-86217390; +8618058761490 |
info@gihichemicals.com | China | 49962 | 58 |
???????A ?? ??:
????? ?? T 1-???-2-???-4-??? ? ?? 88 ? ?? 52 ??????? ?? 2-??????? 4-((2-?????-1-?????)??)????? ????? ?
Eriochrome Black A
Sodium 1-amine-2-naphthol-4-sulfonate
2,2'-DIHYDROXYAZOBENZENE
2-NAPHTHYLAMINE-8-SULFONIC ACID
1,1'-AZONAPHTHALENE
Naphthionic acid
ERIOCHROME BLACK PV
Eriochrome Black T, 0.5% (w/v) Solution in Triethanolamine Eluant Solution
Eriochrome Black T Reagent
ERIOCHROME BLACK T FOR COMPLEXOMETRY