Hydroxyzine dihydrochloride

盐酸羟嗪

Also known as: 2-[2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]ethanol dihydrochloride, Hydroxyzine hydrochloride, Hydroxyzine 2HCl, Alamon, Atarax dihydrochloride, Ataraxoid dihydrochloride, Aterax dihydrochloride, Durrax, Neurolax, Orgatrax, Quies, Tran-Q dihydrochloride, Vistaril steraject

Hydroxyzine dihydrochloride (CAS 2192-20-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H29Cl3N2O2 and a molecular weight of 447.826 g/mol. It is also known as 2-[2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]ethanol dihydrochloride, Hydroxyzine hydrochloride and Hydroxyzine 2HCl. Key properties include a melting point of 190-192°C, a boiling point of 499.2ºC at 760 mmHg, a density of 1.182 g/cm3 and a flash point of 255.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2192-20-3

Jingsj CID

J-25023-2

Molecular Formula

C₂₁H₂₉Cl₃N₂O₂

Chinese Name

盐酸羟嗪

Molecular Weight

447.826 g/mol

Category

Organic Acids

Last updated

8/21/2026