Acid Red 266

酸性红2BS

Also known as: Tracid Red 2bs, C.I. Acid Red 266, 2-Naphthalenesulfonic acid, 6-amino-5-[[4-chloro-2-(trifluoromethyl)phenyl]azo]-4-hydroxy-, monosodium salt, 6-Amino-5-[[4-chloro-2-(trifluoromethyl)phenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid, monosodium salt, Acid Red E-RM, Acidred2BS, Concorde Acid Red 2BSA, Red E-BM, sodium 6-amino-5-[[4-chloro-2-(trifluoromethyl)phenyl]azo]-4-hydroxynaphthalene-2-sulphonate, sodium 5-[2-[4-chloro-2-(trifluoromethyl)phenyl]hydrazinyl]-6-imino-4-oxonaphthalene-2-sulfonate, Nylosan Red E-BM, Kayanol Red NB, Kenamide Red G2B, Weak Acid Red 2BS

Acid Red 266 (CAS 57741-47-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H10ClF3N3NaO4S and a molecular weight of 467.78200 g/mol. It is also known as Tracid Red 2bs, C.I. Acid Red 266 and 2-Naphthalenesulfonic acid, 6-amino-5-[[4-chloro-2-(trifluoromethyl)phenyl]azo]-4-hydroxy-, monosodium salt. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57741-47-6

Jingsj CID

J-1520422-6

Molecular Formula

C₁₇H₁₀ClF₃N₃NaO₄S

Chinese Name

酸性红2BS

Molecular Weight

467.78200 g/mol

Category

Organic Acids

Last updated

8/21/2026