Acid Yellow 220
酸性黄220
Also known as: C.I. 11714, C.I. Acid Yellow 220, Tetrasodium bis(2-(((3-((1-((2-chloroanilino)carbonyl)-2-oxopropyl)azo)-4-hydroxyphenyl)sulphonyl)amino)benzoato(3-))cobaltate(4-), Tetrasodium bis[2-[[[3-[[1-[(2-chloroanilino)carbonyl]-2-oxopropyl]azo]-4-hydroxyphenyl]sulphonyl]amino]benzoato(3-)]cobaltate(4-), Cobaltate(4-), bis[2-[[[3-[[1-[[(2-chlorophenyl)amino]carbonyl]-2-oxopropyl]azo]-4-hydroxyphenyl]sulfonyl]amino]benzoato(3-)]-, tetrasodium, Yellow S-2G
Acid Yellow 220 (CAS 70851-34-2) 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 1206.72000 g/mol. It is also known as C.I. 11714, C.I. Acid Yellow 220 and Tetrasodium bis(2-(((3-((1-((2-chloroanilino)carbonyl)-2-oxopropyl)azo)-4-hydroxyphenyl)sulphonyl)amino)benzoato(3-))cobaltate(4-). Key properties include a boiling point of 766.9ºC at 760 mmHg and a flash point of 417.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 70851-34-2
- Jingsj CID
- J-1049016-1
- Molecular Formula
- C46H32Cl2CoN8Na4O14S2
- Chinese Name
- 酸性黄220
- Molecular Weight
- 1206.72000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 766.9ºC at 760 mmHg |
|---|---|
| Flash Point | 417.6ºC |
Frequently Asked Questions
What is the CAS number of Acid Yellow 220?
The CAS number of Acid Yellow 220 is 70851-34-2.
What are the molecular formula and molecular weight of Acid Yellow 220?
Acid Yellow 220 has molecular formula C46H32Cl2CoN8Na4O14S2 and molecular weight 1206.72000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Acid Yellow 220 (CAS 70851-34-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1049016-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.