Disperse Orange 3 - Dye content 90% , CAS No.730-40-5

CAS: 730-40-5 Cat. No.: D478373 Formule: C12H10N4O2 Poids moléculaire: 242.23 Beilstein Registry Number: 1842907 Numéro CE: 211-984-8
DISPONIBLE À COMMANDE
GRADE & PURITY Dye content 90%
Synonyms
B7J3O076OT | DO3 | DTXSID7061061 | 4-(4'-NITROPHENYLAZO)ANILINE | 4-(4-Nitrophenylazo)aniline | 4-((4-Nitrophenyl)azo)aniline | (E)-4-((4-nitrophenyl)diazenyl)aniline | 4-[(4-nitrophenyl)diazenyl]aniline | E79393 | 4-(2-(4-nitrophenyl)diazenyl)benzenamine
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
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Size
Allemagne (EU)
USA*
Price
Qty
1g
D478373-1g
Sur commande · 8–12 semaines
51,98€
5g
D478373-5g
Sur commande · 8–12 semaines
149,16€
Enter a quantity for the sizes you want to add.
🧪
Why this grade

Dye content 90% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Vue d’ensemble

Description

Disperse Orange 3 (DO3) is a monoazo dye, which contains 90% dye content plus dispersing agents and surfactants. It has two aromatic rings with an amino group on one of the rings and the other is substituted with a nitro group. It shows an absorption peak majoring at 415 nm.DO3 can be used in low concentration to improve the electro-optic properties of dichroic polymer-dispersed liquid crystals, which can be used as materials for display devices. It can also be used to functionalize epoxy-bisazo based polymers, which can be potentially used in sensors and optoelectronics.

Specifications

Synonymes
B7J3O076OT | DO3 | DTXSID7061061 | 4-(4'-NITROPHENYLAZO)ANILINE | 4-(4-Nitrophenylazo)aniline | 4-((4-Nitrophenyl)azo)aniline | (E)-4-((4-nitrophenyl)diazenyl)aniline | 4-[(4-nitrophenyl)diazenyl]aniline | E79393 | 4-(2-(4-nitrophenyl)diazenyl)benzenamine
Spécifications et pureté
Dye content 90%
Conditions de stockage de stockage
Store at -20°C
Expédié en
Ice chest + Ice pads
Ce produit nécessite l'expédition en chaîne froide. Les services terrestres et autres services économiques ne sont pas disponibles.
Noms et identifiants
Sourires canoniques
C1=CC(=CC=C1N)N=NC2=CC=C(C=C2)[N+](=O)[O-]
IUPAC Name
4-[(4-nitrophenyl)diazenyl]aniline
InChIKey
UNBOSJFEZZJZLR-UHFFFAOYSA-N
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
Isomères SMILES
C1=CC(=CC=C1N)N=NC2=CC=C(C=C2)[N+](=O)[O-]
WGK Allemagne
3
Poids moléculaire
242.23
Beilstein
1842907
Reaxy-Rn
749369
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=749369&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClasseAzobenzenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentAzobenzenes
Alternative Parents Nitrobenzenes  Nitroaromatic compounds  Aniline and substituted anilines  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Organic oxoazanium compounds  Primary amines  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Azobenzene - Nitrobenzene - Nitroaromatic compound - Aniline or substituted anilines - Monocyclic benzene moiety - Benzenoid - Azo compound - C-nitro compound - Organic nitro compound - Organic oxoazanium - Organic 1,3-dipolar compound - Allyl-type 1,3-dipolar organic compound - Propargyl-type 1,3-dipolar organic compound - Primary amine - Organonitrogen compound - Amine - Organic oxide - Organopnictogen compound - Hydrocarbon derivative - Organic nitrogen compound - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as azobenzenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to a benzene ring.
External Descriptors azobenzenes - primary arylamine
Structure 3D
Modèle de structure chimique interactif





Certificats (CoA, COO, BSE/TSE et tableau d'analyse)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDateArticle
K2514802Certificate of AnalysisNov 15, 2025 D478373
K2511388Certificate of AnalysisNov 13, 2025 D478373
Propriétés chimiques et physiques
Point de fusion (°C)200°C
Poids moléculaire242.230 g/mol
XLogP33.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass242.08 Da
Monoisotopic Mass242.08 Da
Topological Polar Surface Area96.600 Ų
Heavy Atom Count18
Formal Charge0
Complexity300.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Calculateurs de solution
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