1,2,3-triiodo-5-nitrobenzene

Also known as: 1,2,3-TRIIODO-5-NITROBENZENE, 1,2,3-Trijod-5-nitro-benzol, 1-Nitro-3,4,5-triiodobenzene, 3,4,5-Triiodonitrobenzene, 3,4,5-Triiodonitrobenzol, 3,4,5-trijodonitrobenzol, 3.4.5-Triiod-1-nitro-benzol, Benzene, 1,2,3-triiodo-5-nitro-

1,2,3-triiodo-5-nitrobenzene (CAS 53663-23-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H2I3NO2 and a molecular weight of 500.79900 g/mol. Key properties include a boiling point of 410.5ºC at 760 mmHg, a density of 2.989g/cm3 and a flash point of 202.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 53663-23-3
Jingsj CID: J-1437241-9
Molecular Formula: C₆H₂I₃NO₂
Molecular Weight: 500.79900 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	410.5ºC at 760 mmHg
Density	2.989g/cm3
Flash Point	202.1ºC
Exact Mass	500.72200
PSA	45.82000
LogP	3.93180
Refractive Index	1.798

Customs & Trade Information

HS Code	2904909090
Summary	HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,2,3-triiodo-5-nitrobenzene?

The CAS number of 1,2,3-triiodo-5-nitrobenzene is 53663-23-3.

What are the molecular formula and molecular weight of 1,2,3-triiodo-5-nitrobenzene?

1,2,3-triiodo-5-nitrobenzene has molecular formula C6H2I3NO2 and molecular weight 500.79900 g/mol.

What are the upstream and downstream products of 1,2,3-triiodo-5-nitrobenzene?

For 1,2,3-triiodo-5-nitrobenzene, Upstream Products: 2,6-Diiodo-4-nitroaniline, nitrobenzene, 1-Iodo-4-nitrobenzene; Downstream Products: L-Thyronine.

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. "1,2,3-triiodo-5-nitrobenzene (CAS 53663-23-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1437241-9 (accessed 2026-11-09).

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