1-(2-Hydroxy-3-sulfopropyl)pyridinium inner salt

1-(2-羟基-3-磺丙基)吡啶内盐

Also known as: PPS-OH, PPSOH, 2-Hydroxy-1-(1-pyridyl)-3-propanesulfonate, 2-Hydroxy-3-(pyridinium-1-yl)propane-1-sulfonate, 2-hydroxy-3-pyridin-1-ium-1-ylpropane-1-sulfonate, Pyridinium hydroxy propyl sulfobetaine, Pyridinium hydroxy propyl sulphobetaine, Pyridinium, 1-(2-hydroxy-3-sulfopropyl)-, inner salt

1-(2-Hydroxy-3-sulfopropyl)pyridinium inner salt (CAS 3918-73-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H11NO4S and a molecular weight of 217.242 g/mol. It is also known as PPS-OH, PPSOH and 2-Hydroxy-1-(1-pyridyl)-3-propanesulfonate. Key properties include a boiling point of 111ºC and a density of 1.3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3918-73-8
Jingsj CID
J-1334350-9
Molecular Formula
C8H11NO4S
Chinese Name
1-(2-羟基-3-磺丙基)吡啶内盐
Molecular Weight
217.242 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point111ºC
Density1.3

Frequently Asked Questions

What is the CAS number of 1-(2-Hydroxy-3-sulfopropyl)pyridinium inner salt?

The CAS number of 1-(2-Hydroxy-3-sulfopropyl)pyridinium inner salt is 3918-73-8.

What are the molecular formula and molecular weight of 1-(2-Hydroxy-3-sulfopropyl)pyridinium inner salt?

1-(2-Hydroxy-3-sulfopropyl)pyridinium inner salt has molecular formula C8H11NO4S and molecular weight 217.242 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(2-Hydroxy-3-sulfopropyl)pyridinium inner salt (CAS 3918-73-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334350-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.