Solvent Black 34

• CAT Number: M144171
• CAS Number: 32517-36-5
• Molecular Formula: C32H23CrN6O8+
• Molecular Weight: 671.56
• Purity: ≥95%
• Synonyms: Zapon Fast Black B; C.I. Solvent Black 34; EINECS 251-079-5; C.I. 12195; 12218-99-4; 12238-55-0
• Storage: -20°C
• Related CAS: 29608-00-2
• IUPAC Name: chromium;hydron;1-[(2-hydroxy-4-nitrophenyl)diazenyl]naphthalen-2-ol
• InChI: InChI=1S/2C16H11N3O4.Cr/c2*20-14-8-5-10-3-1-2-4-12(10)16(14)18-17-13-7-6-11(19(22)23)9-15(13)21;/h2*1-9,20-21H;/p+1
• InChIKey: JCMSUORPDNJWIC-UHFFFAOYSA-O
• SMILES: [H+].C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C=C3)[N+](=O)[O-])O)O.C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C=C3)[N+](=O)[O-])O)O.[Cr]

Solvent Black 34（Cat No.:M144171） is a synthetic dye belonging to the class of azo dyes. It is a dark black powder that is soluble in organic solvents but insoluble in water. Solvent Black 34 is commonly used as a colorant in various industrial applications, including inks, coatings, and plastics. It is known for its deep black color and good lightfastness, making it suitable for applications where color stability is important. Solvent Black 34 is also used in the textile industry for dyeing synthetic fibers such as polyester and nylon.