Skip to Content
Merck
All Photos(1)

Documents

212288

Sigma-Aldrich

Disperse Orange 1

Dye content ~15 %

Synonym(s):

4-(4-Nitrophenylazo)diphenylamine

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
O2NC6H4N=NC6H4NHC6H5
CAS Number:
Molecular Weight:
318.33
Colour Index Number:
11080
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

powder

composition

Dye content, ~15%

λmax

483 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[O-][N+](=O)c1ccc(cc1)\N=N\c2ccc(Nc3ccccc3)cc2

InChI

1S/C18H14N4O2/c23-22(24)18-12-10-17(11-13-18)21-20-16-8-6-15(7-9-16)19-14-4-2-1-3-5-14/h1-13,19H/b21-20+

InChI key

YFVXLROHJBSEDW-QZQOTICOSA-N

Looking for similar products? Visit Product Comparison Guide

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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

Late patch test reaction to Disperse Orange 1 not related to active sensitization.
L Malinauskiene et al.
Contact dermatitis, 63(5), 298-299 (2010-10-16)
Gareth O S Williams et al.
Lab on a chip, 12(18), 3356-3361 (2012-07-07)
Photonic crystal fibre constitutes an optofluidic system in which light can be efficiently coupled into a solution-phase sample, contained within the hollow core of the fibre, over long path-lengths. This provides an ideal arrangement for the highly sensitive monitoring of
Elisa R A Ferraz et al.
Journal of toxicology and environmental health. Part A, 75(16-17), 991-999 (2012-08-03)
During the dyeing process in baths approximately 10 to 15% of the dyes used are lost and reach industrial effluents, thus polluting the environment. Studies showed that some classes of dyes, mainly azo dyes and their by-products, exert adverse effects
Laura Malinauskiene et al.
Dermatitis : contact, atopic, occupational, drug, 22(6), 335-343 (2012-06-02)
It is known that some patch-test preparations containing disperse dyes contain impurities with unknown relevance for the development or elicitation of contact allergy. To evaluate the significance of the impurities found in the commercial dyes Disperse Orange 1 (DO1) and
G A R Oliveira et al.
Mutation research, 703(2), 200-208 (2010-09-21)
The treatment of textile effluents by the conventional method based on activated sludge followed by a chlorination step is not usually an effective method to remove azo dyes, and can generate products more mutagenic than the untreated dyes. The present

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