Acid Yellow 200

酸性黄 RG

Also known as: C.I. 18930, C.I. Acid Yellow 200, disodium 2-[[1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonate, 2-[[1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt

Acid Yellow 200 (CAS 6359-95-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H13ClN4Na2O7S2 and a molecular weight of 566.90200 g/mol. It is also known as C.I. 18930, C.I. Acid Yellow 200 and disodium 2-[[1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6359-95-1

Jingsj CID

J-1306600-6

Molecular Formula

C₂₀H₁₃ClN₄Na₂O₇S₂

Chinese Name

酸性黄 RG

Molecular Weight

566.90200 g/mol

Category

Organic Acids

Last updated

8/21/2026