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Pralidoxime Iodide

Also known as: 2-PAM, 2-Pyridinaldoxime methiodide, 2-Hydroxyiminomethyl-1-methylpyridinium iodide, Pyridine-2-carboxaldoxime methiodide, Pralidoxime methiodide, Protopam iodide, Pyraloxime methoiodide, 1-Methyl-2-pyridinium aldoxime iodide, 2-[(E)-(Hydroxyimino)methyl]-1-methylpyridinium iodide, MFCD00011982, EINECS 202-349-6

Pralidoxime Iodide (CAS 94-63-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H9IN2O and a molecular weight of 264.064 g/mol. Key properties include a melting point of 220 °C (dec.)(lit.) and a density of 1.7439 g/ml. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
94-63-3
Jingsj CID
J-29153-0
Molecular Formula
C7H9IN2O
Molecular Weight
264.064 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026
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Physicochemical Properties

Melting Point220 °C (dec.)(lit.)
Density1.7439 g/ml
Exact Mass263.975952
PSA36.47000

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Activity & Biological Data

Additional Information[1]. Cadieux CL, et al. Probing the activity of a non-oxime reactivator for acetylcholinesterase inhibited by organophosphorus nerve agents. Chem Biol Interact. 2016;259(Pt B):133‐141. [2]. Eyer P, Buckley N. Pralidoxime for organophosphate poisoning. Lancet. 2006;368(9553):2110‐2111. [3]. Houzé P, et al. High Dose of Pralidoxime Reverses Paraoxon-Induced Respiratory Toxicity in Mice. Turk J Anaesthesiol Reanim. 2018;46(2):131‐138.

Frequently Asked Questions

What is the CAS number of Pralidoxime Iodide?

The CAS number of Pralidoxime Iodide is 94-63-3.

What are the molecular formula and molecular weight of Pralidoxime Iodide?

Pralidoxime Iodide has molecular formula C7H9IN2O and molecular weight 264.064 g/mol.

Is Pralidoxime Iodide hazardous?

Pralidoxime Iodide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of Pralidoxime Iodide?

For Pralidoxime Iodide, Upstream Products: 2-Pyridinecarbaldehyde oxime, iodomethane, 2-Pyridinecarboxaldehyde.

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

Last updated:

How to cite: Jingsj. "Pralidoxime Iodide (CAS 94-63-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29153-0 (accessed 2026-11-06).

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