ChemicalBook >> CAS DataBase List >>DISPERSE BLACK 9
DISPERSE BLACK 9
- CAS No.
- 20721-50-0
- Chemical Name:
- DISPERSE BLACK 9
- Synonyms
- Einecs 243-987-5;DISPERSE BLACK 9 ISO 9001:2015 REACH;Ethanol, 2,2-4-(4-aminophenyl)azophenyliminobis-;2,2'-((p-((p-Aminophenyl)azo)phenyl)imino)diethanol;2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol;2,2’-[[4-[(4-aminophenyl)azo]phenyl]imino]bis-ethano;Ethanol, 2,2'-((4-(2-(4-aminophenyl)diazenyl)phenyl)imino)bis-
- CBNumber:
- CB4152440
- Molecular Formula:
- C16H20N4O2
- Molecular Weight:
- 300.36
- MDL Number:
- MFCD00161159
- MOL File:
- 20721-50-0.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-04-24 14:57:00
| Product description | Number | Pack Size | Price |
| DISPERSE BLACK 9 95.00% | DYE0002677 | 1G | $172.2 |
| DisperseBlack9,≥97%(Dyecontent),suitableforHematology&Histology ≥97%(Dyecontent) | 41955 | 5G | $225.97 |
| More product size | |||
| Melting point | 157-160 °C(lit.) |
|---|---|
| Boiling point | 569.2±50.0 °C(Predicted) |
| Density | 1.22±0.1 g/cm3(Predicted) |
| storage temp. | room temp |
| pka | 14.21±0.10(Predicted) |
| form | powder |
| λmax | 461 nm |
| ε(extinction coefficient) | ≥20000 at 458-464nm in H2O |
| Major Application |
diagnostic assay manufacturing hematology histology |
| Cosmetics Ingredients Functions | HAIR DYEING |
| InChI | 1S/C16H20N4O2/c17-13-1-3-14(4-2-13)18-19-15-5-7-16(8-6-15)20(9-11-21)10-12-22/h1-8,21-22H,9-12,17H2 |
| InChIKey | NZKTVPCPQIEVQT-UHFFFAOYSA-N |
| SMILES | Nc1ccc(cc1)N=Nc2ccc(cc2)N(CCO)CCO |
| LogP | 2.500 (est) |
| FDA UNII | 7GKC99M24T |
| EPA Substance Registry System | Ethanol, 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bis- (20721-50-0) |
| UNSPSC Code | 12171500 |
| NACRES | NA.47 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
| target organs | Respiratory system |
| PPE | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| TSCA | TSCA listed |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
DISPERSE BLACK 9 price More Price(2)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| American Custom Chemicals Corporation | DYE0002677 | DISPERSE BLACK 9 95.00% | 20721-50-0 | 1G | $172.2 | 2021-12-16 | Buy |
| Chem-Impex | 41955 | DisperseBlack9,≥97%(Dyecontent),suitableforHematology&Histology ≥97%(Dyecontent) | 20721-50-0 | 5G | $225.97 | 2021-12-16 | Buy |
DISPERSE BLACK 9 Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 14)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Dideu Industries Group Limited | +86-29-89586680 +86-15129568250 | 1026@dideu.com | China | 18895 | 58 |
| Energy Chemical | 021-021-58432009 400-005-6266 | sales8178@energy-chemical.com | China | 44802 | 61 |
| Sigma-Aldrich | 021-61415566 800-8193336 | orderCN@merckgroup.com | China | 51395 | 80 |
| Alfa Chemistry | 1-516-6625404 | support@alfa-chemistry.com | United States | 9171 | 60 |
| Shaanxi Dideu Newmaterial Co., Ltd. | 029-029-63373950 17392216152 | 1050@dideu.com | China | 10000 | 58 |
| Merck KGaA | 21-20338288 | ordercn@merckgroup.com | China | 6038 | 58 |
| Supplier | Advantage |
|---|---|
| Dideu Industries Group Limited | 58 |
| Energy Chemical | 61 |
| Sigma-Aldrich | 80 |
| Alfa Chemistry | 60 |
| Shaanxi Dideu Newmaterial Co., Ltd. | 58 |
| Merck KGaA | 58 |
20721-50-0(DISPERSE BLACK 9)Related Search:
Ethanol, 2,2-4-(4-aminophenyl)azophenyliminobis-
2,2’-[[4-[(4-aminophenyl)azo]phenyl]imino]bis-ethano
2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol
2,2'-((p-((p-Aminophenyl)azo)phenyl)imino)diethanol
Einecs 243-987-5
Ethanol, 2,2'-((4-(2-(4-aminophenyl)diazenyl)phenyl)imino)bis-
DISPERSE BLACK 9 ISO 9001:2015 REACH
20721-50-0
C16H20N4O2
H2NC6H4NNC6H4NCH2CH2OH2
Organics
dye





