4,4'-Azodianiline - ≥98% , CAS No.538-41-0

CAS: 538-41-0 Cat. No.: A303930 Molecular Weight: 212.25 EC Number: 208-690-7
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4,4'-Azobisbenzenamine | p-Diaminoazobenzene | p-Azoaniline | 4,4'-(diazene-1,2-diyl)dianiline | p'-Amino-p-aminoazobenzene | 4-[(4-aminophenyl)diazenyl]aniline | Azodianiline | 4,4'-DIAMINOAZOBENZENE
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
Size
Status
Price
Qty
200mg
A303930-200mg
2
$11.90
250mg
A303930-250mg
3
$9.90
1g
A303930-1g
2
$27.90
5g
A303930-5g
2
$85.90
25g
A303930-25g
1
$339.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged,Desiccated Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 8 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

4,4'-Diaminoazobenzene is used in cross-linking studies of epoxy resins and the synthesis of surface relief holographic materials. It is used in synthesis of anthraquinone reactive dyes.

Specifications

Synonyms
4, 4'-Azobisbenzenamine | p-Diaminoazobenzene | p-Azoaniline | 4, 4'-(diazene-1, 2-diyl)dianiline | p'-Amino-p-aminoazobenzene | 4-[(4-aminophenyl)diazenyl]aniline | Azodianiline | 4, 4'-DIAMINOAZOBENZENE
Specifications & Purity
≥98%
Storage
Room temperature, Argon charged, Desiccated
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488181200
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488181200
Canonical SmilesC1=CC(=CC=C1N)N=NC2=CC=C(C=C2)N
IUPAC Name4-[(4-aminophenyl)diazenyl]aniline
InChIKeyKQIKKETXZQDHGE-UHFFFAOYSA-N
INCHI1S/C12H12N4/c13-9-1-5-11(6-2-9)15-16-12-7-3-10(14)4-8-12/h1-8H,13-14H2
Isomeric SMILES C1=CC(=CC=C1N)N=NC2=CC=C(C=C2)N
UN Number UN2811
Packing Group III
Molecular Weight 212.25
Reaxy-Rn 745553
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=745553&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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzobenzenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentAzobenzenes
Alternative Parents Aniline and substituted anilines  Primary aromatic amines  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Azobenzene - Aniline or substituted anilines - Benzenoid - Primary aromatic amine - Monocyclic benzene moiety - Azo compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Amine - 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 Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

29 results found

Lot NumberCertificate TypeDateItem
G2616441Certificate of AnalysisJul 02, 2026 A303930
G2616440Certificate of AnalysisJul 02, 2026 A303930
G2616425Certificate of AnalysisJul 02, 2026 A303930
G2616424Certificate of AnalysisJul 02, 2026 A303930
C2308761Certificate of AnalysisDec 12, 2025 A303930
C2308771Certificate of AnalysisDec 12, 2025 A303930
C2308779Certificate of AnalysisDec 12, 2025 A303930
K2524141Certificate of AnalysisNov 28, 2025 A303930
G2601082Certificate of AnalysisNov 28, 2025 A303930
D2615127Certificate of AnalysisNov 28, 2025 A303930
K2209250Certificate of AnalysisAug 12, 2025 A303930
K2209241Certificate of AnalysisAug 12, 2025 A303930
B2511093Certificate of AnalysisJan 18, 2025 A303930
J2522037Certificate of AnalysisJan 18, 2025 A303930
B2511099Certificate of AnalysisJan 18, 2025 A303930
B2511114Certificate of AnalysisJan 18, 2025 A303930
G2425104Certificate of AnalysisJul 12, 2024 A303930
G2425106Certificate of AnalysisJul 12, 2024 A303930
G2425105Certificate of AnalysisJul 12, 2024 A303930
I2516162Certificate of AnalysisJun 29, 2024 A303930
I2516163Certificate of AnalysisJun 29, 2024 A303930
E2113101Certificate of AnalysisMar 11, 2024 A303930
C2429072Certificate of AnalysisNov 09, 2023 A303930
K2324392Certificate of AnalysisNov 09, 2023 A303930
K2324393Certificate of AnalysisNov 09, 2023 A303930
K2324394Certificate of AnalysisNov 09, 2023 A303930
K2209242Certificate of AnalysisOct 24, 2022 A303930
K2209249Certificate of AnalysisOct 24, 2022 A303930
C2212536Certificate of AnalysisMar 10, 2021 A303930

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Chemical and Physical Properties
SolubilityVery soluble in ethanol. Insoluble in water.
SensitivityAir sensitive
Flash Point(°C)213ºC
Boil Point(°C)428.5ºC
Melt Point(°C)245ºC
Molecular Weight212.250 g/mol
XLogP32.700
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass212.106 Da
Monoisotopic Mass212.106 Da
Topological Polar Surface Area76.800 Ų
Heavy Atom Count16
Formal Charge0
Complexity201.000
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
Citations of This Product
References
1. Yongchun Pan, Xiaowei Luan, Fei Zeng, Xuyuan Wang, Shurong Qin, Qianglan Lu, Guanzhong He, Yanfeng Gao, Xiaolian Sun, Xin Han, Bangshun He, Yujun Song.  (2023)  Logic-gated tumor-microenvironment nanoamplifier enables targeted delivery of CRISPR/Cas9 for multimodal cancer therapy.  Acta Pharmaceutica Sinica B,      [PMID:38322334] [10.1016/j.apsb.2023.09.016]
2. Sizhi Xu, Shunyan Ning, Xinpeng Wang, Feng Gao, Lifeng Chen, Xiangbiao Yin, Toyohisa Fujita, Yuezhou Wei.  (2023)  Silica-based covalent organic framework composite for efficient separation and enrichment of palladium and its heterogeneous catalysis application.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2023.124977]
3. Shuangying Li, Qingxiang Zhou, Zhi Li, Menghua Liu, Yanhui Li, Chunmao Chen.  (2023)  Sensitive fluorescent probe based on combination of magnetic molecularly imprinted materials and carbon dots derived from prussian blue for p-aminoazobenzene in environmental samples.  Journal of Cleaner Production,      [PMID:] [10.1016/j.jclepro.2023.136827]
4. Lin Xiaoxia, Zhang Haitao, Qin Yuqing, Hu Xiaohong.  (2021)  Design and Fabrication of Photo-Responsive Hydrogel for the Application of Functional Contact Lens.  Frontiers in Materials,      [PMID:] [10.3389/fmats.2021.680359]
5. Lutong Bu, Shuangying Li, Linchun Nie, Liushan Jiang, Guangyu Dong, Denghao Song, Wenjing Liu, Xiaodie Geng, Dejing Meng, Qingxiang Zhou.  (2024)  Construction of fluorescent sensor array with nitrogen-doped carbon dots for sensing Sudan Orange G and identification of various azo compounds.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:38640659] [10.1016/j.jcis.2024.04.109]
6. Yitong Sun, Danyang Zhang, Guozhu Ren, Shihong Zhou, Long Tian, Liang Zhou.  (2024)  One-step solvothermal synthesis of Na-doped carbon quantum dots and concomitant photochromic small molecules.  CHEMICAL PHYSICS LETTERS,      [PMID:] [10.1016/j.cplett.2024.141114]
7. Zhihao Wang, Qiuli Cheng, Xingda Jiang, Xinyang Chu, Bingcan Li, Leitao Zhang, Wenlan Wu, Junbo Li, Ravin Narain.  (2024)  pH/Hypoxia dual-stimuli responsive COF nanocarriers with reversible charge conversions for the accurate tumor-targeting and enhanced anticancer drug delivery.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2024.135277]
8. Aiguo Feng, Libo Yang, Chengsong Zhong, Bihong Chen, Hao Chen, Jinyu Wu, Xiangbiao Yin, Xinpeng Wang.  (2026)  Construction of MOF-on-COF with multifunctional sites for efficient capture and sequestration of radioactive iodine in high-humidity environments.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:] [10.1016/j.jhazmat.2026.141904]
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