Skip to main content

Pralidoxime chloride

Also known as: 2-Pyridinealdoxime methochloride, 2-PAM chloride, Protopam, Pyridine-2-aldoxime methochloride, 1-methylpyridinium-2-aldoxime chloride, 2-[(hydroxyimino)methyl]-1-methylpyridinium chloride, PAM chloride, Pralidoxime chloride USP

Pralidoxime chloride (CAS 51-15-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H9ClN2O and a molecular weight of 172.612 g/mol. Key properties include a melting point of 215-225 ºC, a boiling point of 189.7ºC at760mmHg and a flash point of 68.5ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51-15-0
Jingsj CID
J-1986474-9
Molecular Formula
C7H9ClN2O
Molecular Weight
172.612 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point215-225 ºC
Boiling Point189.7ºC at760mmHg
Flash Point68.5ºC
Exact Mass172.040344
PSA36.47000
Additional Property65.5 g/100 mL (25 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

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 Pralidoxime chloride?

The CAS number of Pralidoxime chloride is 51-15-0.

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

Pralidoxime chloride has molecular formula C7H9ClN2O and molecular weight 172.612 g/mol.

Is Pralidoxime chloride hazardous?

Pralidoxime chloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of Pralidoxime chloride?

For Pralidoxime chloride, Upstream Products: Pralidoxime mesylate, 2-Pyridinecarbaldehyde oxime.

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 chloride (CAS 51-15-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986474-9 (accessed 2026-11-06).

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