Iohexol

Also known as: 5-[Acetyl(2,3-dihydroxypropyl)amino]-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide, 5-(N-2,3-Dihydroxypropylacetamido)-2,4,6-triiodo-N,N'-bis(2,3-dihydroxypropyl)isophthalamide, N,N'-Bis(2,3-dihydroxypropyl)-5-[N-(2,3-dihydroxypropyl)acetamido]-2,4,6-triiodoisophthalamide, 5-[acetyl(2,3-dihydroxypropyl)amino]-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodobenzene-1,3-dicarboxamide, Iohexolum, Nycodenz, Omnipaque, Omnipaque 240, Exypaque, UNII-4419T9MX03, EINECS 266-164-2, MFCD00077732

Iohexol (CAS 66108-95-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C19H26I3N3O9 and a molecular weight of 821.138 g/mol. Key properties include a melting point of 254-2560C, a boiling point of 891.5±65.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 493.0±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 66108-95-0
Jingsj CID: J-1311494-3
Molecular Formula: C₁₉H₂₆I₃N₃O₉
Molecular Weight: 821.138 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	254-2560C
Boiling Point	891.5±65.0 °C at 760 mmHg
Density	2.2±0.1 g/cm3
Flash Point	493.0±34.3 °C
Exact Mass	820.880310
PSA	199.89000
LogP	-4.16
Vapor Pressure	0.0±0.3 mmHg at 25°C
Refractive Index	1.724

Activity & Biological Data

Additional Information	[1]. http://en.wikipedia.org/wiki/Iohexol

Customs & Trade Information

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Iohexol?

The CAS number of Iohexol is 66108-95-0.

What are the molecular formula and molecular weight of Iohexol?

Iohexol has molecular formula C19H26I3N3O9 and molecular weight 821.138 g/mol.

What are the upstream and downstream products of Iohexol?

For Iohexol, Upstream Products: 5-Acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide, Epichlorohydrin, 3-Chloro-1,2-propanediol; Downstream Products: 5-Acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide.

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. "Iohexol (CAS 66108-95-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1311494-3 (accessed 2026-11-07).

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