09215

Pigment Orange 5

analytical standard

• Synonym(s): 1-[(2,4-Dinitrophenyl)azo]-2-naphthol, Permanent red 2G
• Empirical Formula (Hill Notation): C₁₆H₁₀N₄O₅
• CAS Number: 3468-63-1
• Molecular Weight: 338.27
• Colour Index Number: 12075
• Beilstein/REAXYS Number: 964718
• EC Number: 222-429-4
• MDL number: MFCD00059524
• UNSPSC Code: 85151701
• PubChem Substance ID: 329748741
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• assay: ≥98.0% (HPLC)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• mp: 310-320 °C
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• SMILES string: Oc1ccc2ccccc2c1\N=N\c3ccc(cc3[N+]([O-])=O)[N+]([O-])=O
• InChI: 1S/C16H10N4O5/c21-15-8-5-10-3-1-2-4-12(10)16(15)18-17-13-7-6-11(19(22)23)9-14(13)20(24)25/h1-9,21H/b18-17+
• Inchi Key: HBHZKFOUIUMKHV-ISLYRVAYSA-N

Description

General description

Pigment orange 5 is an azo pigment, which can be produced industrially by a diazotization and coupling sequence in which diazotized dinitroaniline is coupled into β-naphthol.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Safety Information

• pictograms: GHS08
• signalword: Warning
• hcodes: H341,H351
• pcodes: P281
• Hazard Classifications: Carc. 2 - Muta. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable