C.I. Reactive Orange 7

活性橙7

Also known as: C.I. Reactive Orange 7, Reactive Orange 7, C.I. 17756, 2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, disodium salt, 6-(Acetylamino)-4-hydroxy-3-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2-naphthalenesulfonic acid disodium salt, EINECS 235-431-5, MFCD00013281

C.I. Reactive Orange 7 (CAS 12225-83-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H17N3Na2O11S3 and a molecular weight of 617.53700 g/mol. It is also known as Reactive Orange 7, C.I. 17756 and 2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, disodium salt. Key property: a melting point of >300ºC(lit.). GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

12225-83-1

Jingsj CID

J-11675-0

Molecular Formula

C₂₀H₁₇N₃Na₂O₁₁S₃

Chinese Name

活性橙7

Molecular Weight

617.53700 g/mol

Category

Organic Compounds

Last updated

8/21/2026