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Merck
CN

53882

Disperse Orange 3

analytical standard

Synonym(s):

4-(4-Nitrophenylazo)aniline

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About This Item

Linear Formula:
O2NC6H4N=NC6H4NH2
CAS Number:
730-40-5
Molecular Weight:
242.23
EC Number:
211-984-8
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329758012
MDL number:
MFCD00007856
Colour Index Number:
11005
Beilstein/REAXYS Number:
1842907

Key Documents

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InChI

1S/C12H10N4O2/c13-9-1-3-10(4-2-9)14-15-11-5-7-12(8-6-11)16(17)18/h1-8H,13H2/b15-14+

InChI key

UNBOSJFEZZJZLR-CCEZHUSRSA-N

SMILES string

Nc1ccc(cc1)\N=N\c2ccc(cc2)[N+]([O-])=O

grade

analytical standard

assay

≥96.0% (HPLC)

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

mp

~200 °C (dec.) (lit.)

λmax

443 nm

application(s)

cleaning products
cosmetics
environmental
food and beverages
personal care

format

neat

Quality Level

100

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Related Categories

General description

This substance belongs to the class of azo dyes. Find here a comprehensive listingof all our food colorant reference materials.

Disperse Orange 3 is widely used in textile industry for dyeing polyester fibers.

Application

Disperse Orange 3 may be used as a test material for investigating its degradation by the white rot fungus Pleurotus ostreatus and the products obtained upon degradation are determined using UV-visible spectrophotometric and high-performance liquid chromatographic techniques.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Features and Benefits

Used to provide experimental verification of a two-level model for the enhancement of the nonresonant, nonlinear refractive index, with a decrease in absorption by reduction of a donor group strength.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP0446
BCCK4186
BCCC1237
BCCC1981

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HPLC and spectrophotometric analysis of biodegradation of azo dyes by Pleurotus ostreatus
Zhao X and Hardin RI
Dyes and Pigments, 73(3), 322-325 (2007)
Anthony T-J Goon et al.
Contact dermatitis, 48(5), 248-250 (2003-07-19)
Cross-sensitization between para-phenylenediamine (PPD) and Disperse Orange 3 (DO3), among other textile dyes, has frequently been reported. We evaluated the frequency of simultaneous patch test reactions to PPD and a range of textile dyes. Retrospectively, we studied 128 patients who
Laura Malinauskiene et al.
Contact dermatitis, 68(2), 65-75 (2013-01-08)
Several disperse dyes (DDs) are still considered to be the most important allergens in textile dermatitis, but there are sparse data about their current use in textiles. The aim of this review was to evaluate published studies and reports on
A A Ahmad et al.
Journal of hazardous materials, 170(2-3), 612-619 (2009-06-12)
The purpose of this work is to obtain optimal preparation conditions for activated carbons prepared from rattan sawdust (RSAC) for removal of disperse dye from aqueous solution. The RSAC was prepared by chemical activation with phosphoric acid using response surface
Effectiveness of disperse dyes mix in detection of contact allergy to textile dyes: an Italian multicentre study.
S Francalanci et al.
Contact dermatitis, 33(5), 351-351 (1995-11-01)
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