C.I. Solvent Brown 20

溶剂棕20

Also known as: Solvent Brown 20, 7,7'-[(4,6-dihydroxy-m-phenylene)diazo]bis(naphthalene-1,3-disulphonic) acid, compound with N,N'-di(o-tolyl)guanidine (1:4), 1,3-Naphthalenedisulfonic acid, 7,7'-[(4,6-dihydroxy-1,3-phenylene)bis(azo)]bis-, compd. with N,N'-bis(2-methylphenyl)guanidine (1:4), 7,7'-[(4,6-Dihydroxy-1,3-phenylene)bis(2,1-diazenediyl)]bis-1,3-naphthalenedisulfonic acid N,N'-Bis(2-methylphenyl)guanidine, Transparent Brown K

C.I. Solvent Brown 20 (CAS 72208-28-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H18N4O14S4.4C15H17N3 and a molecular weight of 1695.97 g/mol. It is also known as Solvent Brown 20, 7,7'-[(4,6-dihydroxy-m-phenylene)diazo]bis(naphthalene-1,3-disulphonic) acid, compound with N,N'-di(o-tolyl)guanidine (1:4) and 1,3-Naphthalenedisulfonic acid, 7,7'-[(4,6-dihydroxy-1,3-phenylene)bis(azo)]bis-, compd. with N,N'-bis(2-methylphenyl)guanidine (1:4). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
72208-28-7
Jingsj CID
J-1368259-4
Molecular Formula
C26H18N4O14S44C15H17N3
Chinese Name
溶剂棕20
Molecular Weight
1695.97 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of C.I. Solvent Brown 20?

The CAS number of C.I. Solvent Brown 20 is 72208-28-7.

What are the molecular formula and molecular weight of C.I. Solvent Brown 20?

C.I. Solvent Brown 20 has molecular formula C26H18N4O14S4.4C15H17N3 and molecular weight 1695.97 g/mol.

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

Last updated:

How to cite: Jingsj. "C.I. Solvent Brown 20 (CAS 72208-28-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368259-4 (accessed 2026-10-24).

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