Synonyms:

3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthalenecarboxylicacicalci;C.I.Pigmentred57:1;Pigment red 57:1 (C.I. 15850:1);LitholrubineBK;PigmentlitholrubineA6B;PigmentlitholrubineBK;2-Naphthalenecarboxylic acid, 3-hydroxy-4-(4-methyl-2-sulfophenyl)azo-, calcium salt (1:1);Pigment -- Pigment Red 57:1

Canonical SMILES: CC1=CC(=C(C=C1)NN=C2C3=CC=CC=C3C=C(C2=O)C(=O)[O-])S(=O)(=O)[O-].[Ca+2]

HS Code: 3204170000

Hazard Codes: Xi

Risk Statements:  20/21/22-36/37/38

Safety Statements: 26-36/37/39