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3,5-Diiodo-4-pyridone-1-acetic acid

Also known as: Iodopyracet, Diodone, 2-(3,5-diiodo-4-oxopyridin-1-yl)acetic acid, 1,4-Dihydro-3,5-diiodo-4-oxo-1-pyridineacetic acid, 3,5-Diiodo-4-pyridone-N-acetic acid, 3,5-DIIODO-4-OXO-1(4H)-PYRIDINEACETIC ACID, 3,5-DIIODO-4-PYRIDONE-1-ACETIC ACID, 1,4-DIHYDRO-3,5-DIIODO-4-OXO-1-PYRIDINEACETIC ACID, (3,5-DIIODO-4-OXO-4H-PYRIDIN-1-YL)-ACETIC ACID, 3,5-DIIODO-4-HYDROXYPYRIDINE-N-ACETIC ACID

3,5-Diiodo-4-pyridone-1-acetic acid (CAS 101-29-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5I2NO3 and a molecular weight of 404.92800 g/mol. Key properties include a melting point of 244°C (dec.), a boiling point of 422.8ºC at 760mmHg, a density of 2.68g/cm3 and a flash point of 209.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
101-29-1
Jingsj CID
J-9817-9
Molecular Formula
C7H5I2NO3
Molecular Weight
404.92800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point244°C (dec.)
Boiling Point422.8ºC at 760mmHg
Density2.68g/cm3
Flash Point209.5ºC
Exact Mass404.83600
PSA59.30000
LogP1.14210
Vapor Pressure2.47E-08mmHg at 25°C
Refractive Index1.78

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3,5-Diiodo-4-pyridone-1-acetic acid?

The CAS number of 3,5-Diiodo-4-pyridone-1-acetic acid is 101-29-1.

What are the molecular formula and molecular weight of 3,5-Diiodo-4-pyridone-1-acetic acid?

3,5-Diiodo-4-pyridone-1-acetic acid has molecular formula C7H5I2NO3 and molecular weight 404.92800 g/mol.

What are the upstream and downstream products of 3,5-Diiodo-4-pyridone-1-acetic acid?

For 3,5-Diiodo-4-pyridone-1-acetic acid, Upstream Products: 3,5-Diiodo-4-hydroxypyridine, Chloroacetic acid, 4(1H)-Pyridinone.

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

Last updated:

How to cite: Jingsj. "3,5-Diiodo-4-pyridone-1-acetic acid (CAS 101-29-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9817-9 (accessed 2026-11-09).

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