amsonic acid

Synonyms: "amsonsaeure", "flavonic acid", "tinopal BHS", "DASD", "4,4'-diaminostilbene-2,2'-disulfonic acid", "diaminostilbenedisulfonic acid"

Source: amsonic acid is a whitening agent in laundry detergents.


IUPAC Name: 5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzenesulfonic acid
CAS Number: 81-11-8
PubChem ID: 5284378
Canonical SMILES: C1=CC(=C(C=C1N)S(=O)(=O)O)C=CC2=C(C=C(C=C2)N)S(=O)(=O)O

Structural Properties:

Molecular Formula: C14H14N2O6S2
Molecular Weight: 370.401

Pharmacophore Features:

Number of bond donors: 4
Number of bond acceptors: 8
Number of atoms different from hydrogen: 24


2D structure (.sdf)
3D structure (.sdf)
3D structure (.mol2)
3D structure (.pdb)
3D structure (.pdbqt)

Toxicological Information

HSDB (Hazardous Substances Data Bank)

CCRIS (Chemical Carcinogenesis Research Information System)

Evidence Supporting This Chemical as an Endocrine Disruptor
TEDX List of Potential Endocrine Disruptors

Smith ER, Quinn MM. 1992. Uterotropic action in rats of amsonic acid and three of its synthetic precursors. Journal of Toxicology & Environmental Health 36(1):13-25.

External Links