Dye content 95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Disperse Red 13 (DR13) is an azo dye that can be used as a non-linear optical (NLO) material. It is an azobenzene functionalized molecule with reversible cis-trans photoisomerization, which can be used for optical memory and switching devices.NLO material
| Pubchem Sid | 488182483 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488182483 |
| Canonical Smiles | CCN(CCO)C1=CC=C(C=C1)N=NC2=C(C=C(C=C2)[N+](=O)[O-])Cl |
| IUPAC Name | 2-[4-[(2-chloro-4-nitrophenyl)diazenyl]-N-ethylanilino]ethanol |
| InChIKey | FEJPWLNPOFOBSP-UHFFFAOYSA-N |
| INCHI | 1S/C16H17ClN4O3/c1-2-20(9-10-22)13-5-3-12(4-6-13)18-19-16-8-7-14(21(23)24)11-15(16)17/h3-8,11,22H,2,9-10H2,1H3 |
| Isomeric SMILES | CCN(CCO)C1=CC=C(C=C1)N=NC2=C(C=C(C=C2)[N+](=O)[O-])Cl |
| Molecular Weight | 348.79 |
| Reaxy-Rn | 766021 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=766021&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Azobenzenes |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Azobenzenes |
| Alternative Parents | Nitrobenzenes Aniline and substituted anilines Dialkylarylamines Nitroaromatic compounds Chlorobenzenes Aryl chlorides 1,2-aminoalcohols Azo compounds Organic oxoazanium compounds Propargyl-type 1,3-dipolar organic compounds Organic salts Organic oxides Organochlorides Organopnictogen compounds Hydrocarbon derivatives Primary alcohols Organic zwitterions |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Azobenzene - Nitrobenzene - Nitroaromatic compound - Tertiary aliphatic/aromatic amine - Aniline or substituted anilines - Dialkylarylamine - Halobenzene - Chlorobenzene - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Benzenoid - 1,2-aminoalcohol - C-nitro compound - Azo compound - Tertiary amine - Organic nitro compound - Alkanolamine - Organic oxoazanium - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organochloride - Organohalogen compound - Organonitrogen compound - Organooxygen compound - Primary alcohol - Organic zwitterion - Organic salt - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Amine - Organic oxygen compound - Alcohol - Aromatic homomonocyclic compound |
| Description | This 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 | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 E2323555 | Certificate of Analysis | Mar 11, 2026 | D478391 |
| E2323556 | Certificate of Analysis | Mar 11, 2026 | D478391 |
| E2323557 | Certificate of Analysis | Mar 11, 2026 | D478391 |
| E2323558 | Certificate of Analysis | Mar 11, 2026 | D478391 |
| E2323559 | Certificate of Analysis | Mar 11, 2026 | D478391 |
| E2323560 | Certificate of Analysis | Mar 11, 2026 | D478391 |
| Melt Point(°C) | 122 - 129 °C |
|---|---|
| Molecular Weight | 348.780 g/mol |
| XLogP3 | 4.000 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 6 |
| Exact Mass | 348.099 Da |
| Monoisotopic Mass | 348.099 Da |
| Topological Polar Surface Area | 94.000 Ų |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 424.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Yang Chen, Yuxiang Liu, Runze Yu, Yingshuai Zhao, Juntong Lu, Gang Chen, Yijun Zheng, Chunhong Ye. (2025) Dynamically Switchable 3D Shape-Morphing and Rotation from Liquid Crystal Elastomer Actuators. ACS Applied Materials & Interfaces, [PMID:40420566] [10.1021/acsami.5c08979] |
