Naphthalenesulfonic acid, methylenebis-

4-[(4-sulfonaphthalen-1-yl)methyl]naphthalene-1-sulfonic acid

CAS: 25377-91-7

Molecular Formula	`C21H16O6S2`
Molecular Weight	428.03882 g/mol
LogP	4.08
Topological Polar Surface Area	108.74 Å²
Hydrogen Bond Donors	2
Hydrogen Bond Acceptors	4
Rotatable Bonds	4
Exact Mass	428.03882
Heavy Atoms	29
Complexity	1358.9

Chemical Identifiers

CAS Number	25377-91-7
SMILES	`C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)CC3=CC=C(C4=CC=CC=C34)S(=O)(=O)O`

Product Overview

Naphthalenesulfonic acid, methylenebis- (CAS 25377-91-7), with molecular formula C21H16O6S2 and molecular weight 428.03882 g/mol. IUPAC: 4-[(4-sulfonaphthalen-1-yl)methyl]naphthalene-1-sulfonic acid.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.

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