Cetirizine dihydrochloride

盐酸西替利嗪

Also known as: Cetirizine hydrochloride, Cetirizine HCl, Cetirizine 2HCl, 2-[2-[4-[(4-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetic acid dihydrochloride, Acetic acid, 2-[2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-, hydrochloride (1:2), (2-{4-[(4-chlorophenyl)(phenyl)methyl]piperazin-1-yl}ethoxy)acetic acid dihydrochloride, Zyrtec, Reactine, Virlix, Zyrlex, Alercet, Alerid, Cesta, Cetiriz, Cetrak, Cetrizet, Zirtek, MFCD00941428

Cetirizine dihydrochloride (CAS 83881-52-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H27Cl3N2O3 and a molecular weight of 461.81 g/mol. It is also known as Cetirizine hydrochloride, Cetirizine HCl and Cetirizine 2HCl. Key properties include a melting point of 110-115ºC, a boiling point of 542.1ºC at 760 mmHg, a density of 1.237 g/cm3 and a flash point of 281.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

83881-52-1

Jingsj CID

J-1986816-9

Molecular Formula

C₂₁H₂₇Cl₃N₂O₃

Chinese Name

盐酸西替利嗪

Molecular Weight

461.81 g/mol

Category

Organic Acids

Last updated

8/21/2026