4-Dimethylamino-4'-nitrostilbene

Also known as: N,N-Dimethyl-4-(4-nitrostyryl)aniline, 4-Nitro-4'-(dimethylamino)stilbene, 4-Nitro-β-[4-(dimethylamino)phenyl]styrene, DANS, N,N-Dimethyl-4'-nitro-4-stilbenamine, Benzenamine, N,N-dimethyl-4-[2-(4-nitrophenyl)ethenyl]-

4-Dimethylamino-4'-nitrostilbene (CAS 4584-57-0) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H16N2O2 and a molecular weight of 268.310 g/mol. Key properties include a melting point of 256-259ºC(lit.), a boiling point of 411.7±24.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 202.8±22.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4584-57-0
Jingsj CID: J-16861-2
Molecular Formula: C₁₆H₁₆N₂O₂
Molecular Weight: 268.310 g/mol
Category: Nitrogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	256-259ºC(lit.)
Boiling Point	411.7±24.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	202.8±22.9 °C
Exact Mass	268.121185
PSA	49.06000
LogP	5.12
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.684

Customs & Trade Information

HS Code	2921430090
Summary	HS:2921430090 toluidines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Dimethylamino-4'-nitrostilbene?

The CAS number of 4-Dimethylamino-4'-nitrostilbene is 4584-57-0.

What are the molecular formula and molecular weight of 4-Dimethylamino-4'-nitrostilbene?

4-Dimethylamino-4'-nitrostilbene has molecular formula C16H16N2O2 and molecular weight 268.310 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Dimethylamino-4'-nitrostilbene (CAS 4584-57-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16861-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.