20721-50-0
20721-50-0 structure
- Name: 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol
- Chemical Name: disperse black 9
- CAS Number: 20721-50-0
- Molecular Formula: C16H20N4O2
- Molecular Weight: 300.35600
- Catalog: Dyes and pigments dye Disperse dye
- Create Date: 2018-05-09 08:00:00
- Modify Date: 2025-08-27 06:46:47
| Name | disperse black 9 |
|---|---|
| Synonyms |
4-AMINO-4'-(BIS(2-HYDROXYETHYL)AMINO)AZOBENZENE
EINECS 243-987-5 Disperse Red 19-Cl 2,2'-[4-(4-Aminophenylazo)phenylimino]diethanol 4-<2-Chlor-4-nitro-phenylazo>-N,N-dihydroxyaethyl-anilin MFCD00161159 |
| Density | 1.22g/cm3 |
|---|---|
| Boiling Point | 569.2ºC at 760 mmHg |
| Melting Point | 157-160ºC(lit.) |
| Molecular Formula | C16H20N4O2 |
| Molecular Weight | 300.35600 |
| Flash Point | 298.1ºC |
| Exact Mass | 300.15900 |
| PSA | 94.44000 |
| LogP | 3.05640 |
| Vapour Pressure | 8.51E-14mmHg at 25°C |
| Index of Refraction | 1.61 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi |
| Risk Phrases | 36/37/38 |
| Safety Phrases | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 3204110000 |
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |