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Pigment Orange 5

analytical standard

Synonym: 1-[(2,4-Dinitrophenyl)azo]-2-naphthol, Permanent red 2G

  • CAS Number 3468-63-1

  • Empirical Formula (Hill Notation) C16H10N4O5

  • Molecular Weight 338.27

  •  Colour Index Number 12075

  •  Beilstein/REAXYS Number 964718

  •  EC Number 222-429-4

  •  MDL number MFCD00059524

  •  PubChem Substance ID 329748741

  •  NACRES NA.24

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Properties

Related Categories Additional Standards, All alphabetical sorted, Analytical Standards, Analytical/Chromatography, Chromatography,
grade   analytical standard
InChI Key   HBHZKFOUIUMKHV-ISLYRVAYSA-N
assay   ≥98.0% (HPLC)
mp   310-320 °C
Featured Industry   Cosmetics, Personal Care, and Cleaning Products
Food and Beverages

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 & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
QL3854000

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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