Acid Yellow 220

酸性黄220

Also known as: Acid Yellow 220, C.I. 11714 Acid Yellow 220, Yellow S-2G, Benzoic acid, 2-[[[3-[(2E)-2-[1-[[(2-chlorophenyl)amino]carbonyl]-2-oxopropylidene]hydrazinyl]-4-hydroxyphenyl]sulfonyl]amino]-, cobalt(2+) sodium salt (2:1:4), Cobalt(2+) sodium 2-[({3-[(2Z)-2-{1-[(2-chlorophenyl)carboximidato]-2-oxopropylidene}hydrazino]-4-oxidophenyl}sulfonyl)amino]benzoate (1:4:2)

Acid Yellow 220 (CAS 71603-79-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C46H32Cl2CoN8Na4O14S2 and a molecular weight of 1206.720 g/mol. It is also known as C.I. 11714 Acid Yellow 220, Yellow S-2G and Benzoic acid, 2-[[[3-[(2E)-2-[1-[[(2-chlorophenyl)amino]carbonyl]-2-oxopropylidene]hydrazinyl]-4-hydroxyphenyl]sulfonyl]amino]-, cobalt(2+) sodium salt (2:1:4). Key property: a boiling point of 766.9ºC at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

71603-79-7

Jingsj CID

J-1383250-2

Molecular Formula

C₄₆H₃₂Cl₂CoN₈Na₄O₁₄S₂

Chinese Name

酸性黄220

Molecular Weight

1206.720 g/mol

Category

Organic Acids

Last updated

8/21/2026