Disperse Black 9

分散黑9

Also known as: 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol, 2,2'-((p-((p-Aminophenyl)azo)phenyl)imino)diethanol, 2,2'-[4-(4-Aminophenylazo)phenylimino]diethanol, Ethanol, 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bis-, 4-AMINO-4'-(BIS(2-HYDROXYETHYL)AMINO)AZOBENZENE, C.I. Disperse Black 9, EINECS 243-987-5

Disperse Black 9 (CAS 20721-50-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H20N4O2 and a molecular weight of 300.35600 g/mol. It is also known as 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol, 2,2'-((p-((p-Aminophenyl)azo)phenyl)imino)diethanol and 2,2'-[4-(4-Aminophenylazo)phenylimino]diethanol. Key properties include a melting point of 157-160ºC(lit.), a boiling point of 569.2ºC at 760 mmHg, a density of 1.22g/cm3 and a flash point of 298.1ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20721-50-0

Jingsj CID

J-13247-7

Molecular Formula

C₁₆H₂₀N₄O₂

Chinese Name

分散黑9

Molecular Weight

300.35600 g/mol

Category

Organic Compounds

Last updated

8/21/2026