Acid Green 20
酸性绿20
Also known as: Amido Green Black B, C.I. Acid Green 20, CI No 20495, Dark Green B, Acid Dark Green 6B, Atlacid Dark Green B, 2,7-Naphthalenedisulfonic acid, 4-amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)-, disodium salt, disodium 4-amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate
Acid Green 20 (CAS 5850-39-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H16N6Na2O7S2 and a molecular weight of 586.508 g/mol. It is also known as Amido Green Black B, C.I. Acid Green 20 and CI No 20495. Key property: a melting point of >300ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5850-39-5
- Jingsj CID
- J-855367-4
- Molecular Formula
- C22H16N6Na2O7S2
- Chinese Name
- 酸性绿20
- Molecular Weight
- 586.508 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC |
|---|
Frequently Asked Questions
What is the CAS number of Acid Green 20?
The CAS number of Acid Green 20 is 5850-39-5.
What are the molecular formula and molecular weight of Acid Green 20?
Acid Green 20 has molecular formula C22H16N6Na2O7S2 and molecular weight 586.508 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Acid Green 20 (CAS 5850-39-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-855367-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.