Olopatadine hydrochloride

盐酸奥洛他定

Also known as: Olopatadine HCl, AL 4943A, ALO4943A, Dibenz[b,e]oxepin-2-acetic acid, 11-[3-(dimethylamino)propylidene]-6,11-dihydro-, (11Z)-, hydrochloride (1:1), {(11Z)-11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenzo[b,e]oxepin-2-yl}acetic acid hydrochloride, KW 4679

Olopatadine hydrochloride (CAS 140462-76-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H24ClNO3 and a molecular weight of 373.873 g/mol. It is also known as Olopatadine HCl, AL 4943A and ALO4943A. Key properties include a melting point of 242-245ºC, a boiling point of 523ºC at 760mmHg, a density of 1.221 g/cm3 and a flash point of 270.1ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
140462-76-6
Jingsj CID
J-1961283-0
Molecular Formula
C21H24ClNO3
Chinese Name
盐酸奥洛他定
Molecular Weight
373.873 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point242-245ºC
Boiling Point523ºC at 760mmHg
Density1.221 g/cm3
Flash Point270.1ºC

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Olopatadine hydrochloride?

The CAS number of Olopatadine hydrochloride is 140462-76-6.

What are the molecular formula and molecular weight of Olopatadine hydrochloride?

Olopatadine hydrochloride has molecular formula C21H24ClNO3 and molecular weight 373.873 g/mol.

Is Olopatadine hydrochloride hazardous?

Olopatadine hydrochloride has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Olopatadine hydrochloride (CAS 140462-76-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1961283-0 (accessed 2026-10-24).

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