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2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol

分散红19

Also known as: C.I. Disperse Red 19, CI 11130, Disperse Red 19, Disperse Red 19, pure, 2,2'-(4'-Nitroazobenzene-4-ylimino)bisethanol, 2,2'-[[4-[(4-nitrophenyl)azo]phenyl]imino]bisethanol, 2-[N-(2-hydroxyethyl)-4-[(4-nitrophenyl)diazenyl]anilino]ethanol, Ethanol, 2,2'-[[4-[(4-nitrophenyl)azo]phenyl]imino]bis-, EINECS 220-354-1, MFCD00044367

2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol (CAS 2734-52-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H18N4O4 and a molecular weight of 330.33900 g/mol. It is also known as C.I. Disperse Red 19, CI 11130 and Disperse Red 19. Key properties include a melting point of >300ºC(lit.), a boiling point of 577.3ºC at 760mmHg, a density of 1.3g/cm3 and a flash point of 302.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2734-52-3
Jingsj CID
J-20874-1
Molecular Formula
C16H18N4O4
Chinese Name
分散红19
Molecular Weight
330.33900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>300ºC(lit.)
Boiling Point577.3ºC at 760mmHg
Density1.3g/cm3
Flash Point302.9ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol?

The CAS number of 2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol is 2734-52-3.

What are the molecular formula and molecular weight of 2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol?

2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol has molecular formula C16H18N4O4 and molecular weight 330.33900 g/mol.

Is 2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol hazardous?

2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,2'-[[4-[2-(4-nitrophenyl)diazenyl]phenyl]imino]bisethanol (CAS 2734-52-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20874-1 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.