Eriochrome Black A
- CAS No.
- 3618-58-4
- Chemical Name:
- Eriochrome Black A
- Synonyms
- CI 15710;NSC73413;NSC 73413;NSC-73413;CI NO 15710;DIAMOND BLACK;CHROME BLACK A;MORDANT BLACK 1;C.I.MORDANTBLACK1;Diacromo Black AS
- CBNumber:
- CB3276628
- Molecular Formula:
- C20H12N3NaO7S
- Molecular Weight:
- 461.38
- MOL File:
- 3618-58-4.mol
- Modify Date:
- 2024/7/15 16:45:23
| Colour Index | 15710 |
|---|---|
| form | powder to crystal |
| color | Red to Dark blue to Black |
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-, monosodium salt (3618-58-4) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319 |
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 |
Eriochrome Black A Chemical Properties,Uses,Production
Preparation
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 | ||
Eriochrome Black A Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| Jagson Colorchem Limited | +91-9879484214 +91-9879484214 | Gujarat, India | 318 | 58 | Inquiry |
| Phoenix Colours | +91-9768127681 +91-9819199181 | Maharashtra, India | 182 | 58 | Inquiry |
| Jaffs Dyechem Private Limited | +91-9825035135 +91-7925392314 | Gujarat, India | 309 | 58 | Inquiry |
| TCI Chemicals (India) Pvt. Ltd. | 1800 425 7889 | New Delhi, India | 6778 | 58 | Inquiry |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-81138252 +86-18789408387 | China | 3343 | 58 | Inquiry |
| career henan chemical co | +86-0371-86658258 +8613203830695 | China | 29898 | 58 | Inquiry |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | China | 39916 | 58 | Inquiry |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | China | 49391 | 58 | Inquiry |
| TargetMol Chemicals Inc. | +1-781-999-5354 +1-00000000000 | United States | 19892 | 58 | Inquiry |
| Hefei TNJ Chemical Industry Co.,Ltd. | 0551-65418671 | China | 34571 | 58 | Inquiry |