4-chloro-7-sulfobenzofurazan ammonium salt

Also known as: 4-chloro-7-sulfobenzofurazan ammonium salt, ammonium 4-chloro-7-sulfobenzofurazan, SBF-chloride, SBF-Cl, 7-chloro-4-sulfobenzofurazane ammonium salt, 4-chloro-7-sulphobenzofurazan ammonium salt, 7-chloro-4-benzofuransulfonic acid ammonium salt, 7-chloro-4-benzofurazansulfonic acid ammonium salt, ammonium 7-chloro-2,1,3-benzoxadiazole-4-sulfonate, ammonium 4-chloro-2,1,3-benzoxadiazole-7-sulfonate, 7-chloro-4-sulfobenz-2-oxa-1,3-diazole ammonium salt

4-chloro-7-sulfobenzofurazan ammonium salt (CAS 81377-14-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6ClN3O4S and a molecular weight of 251.64800 g/mol. Key properties include a melting point of >300ºC(lit.), a boiling point of 505.6ºC at 760 mmHg and a flash point of 259.6ºC. 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 Nov 3, 2026.

CAS No.

81377-14-2

Jingsj CID

J-25930-3

Molecular Formula

C₆H₆ClN₃O₄S

Molecular Weight

251.64800 g/mol

Category

Organic Acids

Last updated

11/3/2026