Acid Yellow 29

C.I.酸性黄29

Also known as: C.I. Acid Yellow 29, CI 18900, Acid Yellow 29 (C.I.), Benzenesulfonic acid, 4-chloro-3-[4,5-dihydro-3-methyl-5-oxo-4-[[3-[(phenylamino)sulfonyl]phenyl]azo]-1H-pyrazol-1-yl]-, monosodium salt, sodium 3-chloro-4-(5-hydroxy-3-methyl-4-(3-(phenylaminosulphonyl)phenylazo)-1H-pyrazole-1-yl)benzenesulphonate, EINECS 228-814-3

Acid Yellow 29 (CAS 6359-91-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H17ClN5NaO6S2 and a molecular weight of 569.97 g/mol. It is also known as C.I. Acid Yellow 29, CI 18900 and Acid Yellow 29 (C.I.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6359-91-7
Jingsj CID: J-894221-6
Molecular Formula: C₂₂H₁₇ClN₅NaO₆S₂
Chinese Name: C.I.酸性黄29
Molecular Weight: 569.97 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Acid Yellow 29?

The CAS number of Acid Yellow 29 is 6359-91-7.

What are the molecular formula and molecular weight of Acid Yellow 29?

Acid Yellow 29 has molecular formula C22H17ClN5NaO6S2 and molecular weight 569.97 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Acid Yellow 29 (CAS 6359-91-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-894221-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.