Merck
CN
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09215

Supelco

Pigment Orange 5

analytical standard

Synonym(s):
1-[(2,4-Dinitrophenyl)azo]-2-naphthol, Permanent red 2G
Empirical Formula (Hill Notation):
C16H10N4O5
CAS Number:
Molecular Weight:
338.27
Colour Index Number:
12075
Beilstein:
964718
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

assay

≥98.0% (HPLC)

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

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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

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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