1-(4-Chlorobenzoyl)-1H-benzotriazole

Also known as: 1H-Benzotriazole, 1-(4-chlorobenzoyl)-, Methanone, 1H-benzotriazol-1-yl(4-chlorophenyl)-, (1H-Benzo[d][1,2,3]triazol-1-yl)(4-chlorophenyl)methanone, 1-(4-Chlorobenzoyl)-1H-1,2,3-benzotriazole, 1-4'-Chlorobenzoylbenzotriazole, 1-p-Chlorobenzoylbenzotriazole, p-Chlorobenzoyl-1H-1,2,3-benzotriazole, MFCD00475616

1-(4-Chlorobenzoyl)-1H-benzotriazole (CAS 4231-70-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H8ClN3O and a molecular weight of 257.67500 g/mol. Key properties include a melting point of 135-139ºC(lit.), a boiling point of 446ºC at 760 mmHg, a density of 1.4g/cm3 and a flash point of 223.5ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4231-70-3

Jingsj CID

J-10841-8

Molecular Formula

C₁₃H₈ClN₃O

Molecular Weight

257.67500 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026