Skip to Content
Merck
All Photos(2)

Key Documents

09215

Supelco

Pigment Orange 5

analytical standard

Synonym(s):

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

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C16H10N4O5
CAS Number:
Molecular Weight:
338.27
Colour Index Number:
12075
Beilstein:
964718
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

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.

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Carc. 2 - Muta. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Pigment Orange 5: crystal structure determination from a non-indexed X-ray powder diagram.
Schmidt U M, et al.
Zeitschrift fur Kristallographie, 222(1), 30-33 (2007)
P Møller et al.
Teratogenesis, carcinogenesis, and mutagenesis, 18(1), 9-16 (1998-05-20)
The induction of DNA damage by commonly used printing ink pigments, C.I. pigment orange 5 (C.I. 12075) and C.I. pigment yellow 12 (C.I. 21090), was investigated in freshly isolated rat hepatocytes with the comet assay. C.I. pigment yellow 12 is
Coatings Materials and Surface Coatings (2006)
A L Scher
Journal - Association of Official Analytical Chemists, 68(3), 474-477 (1985-05-01)
A method is described for the determination of the intermediates in D&C Orange No. 17 by reverse phase liquid chromatography. The pigment is dissolved in boiling dioxane and then precipitated. The filtrate is chromatographed by isocratic elution, which is followed

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service