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Supelco

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
Colour Index Number:
11005
Beilstein/REAXYS Number:
1842907
EC Number:
211-984-8
MDL number:
MFCD00007856
UNSPSC Code:
85151701
PubChem Substance ID:
329758012
NACRES:
NA.24

grade

analytical standard

Quality Level

100

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

SMILES string

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

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

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General description

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

wgk_germany

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
BCCC1237
BCCC1981
1258721V
1258721

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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
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
Manfred Kneilling et al.
Experimental dermatology, 19(5), 435-441 (2010-02-02)
Patients sensitized to para-phenylenediamine (PPD) by semi-permanent tattoos increasingly develop threatening allergic reactions in response to black hair dye. The gold standard to diagnose allergic contact dermatitis is to perform epicutaneous patch tests, however, iatrogenic sensitizations and severe patch test
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