4-(Phenylazo)benzoic Acid - ≥98%(T) , CAS No.1562-93-2

CAS: 1562-93-2 Cat. No.: P160262 Molecular Weight: 226.24 EC Number: 216-347-8 PubChem CID: 15276
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(T)
Synonyms
DTXSID1061784 | PD197264 | 4-(Phenylazo)benzoic acid, 98% | Benzoic acid, 4-(phenylazo)-, (E)- | p-Phenylazobenzoic acid | 4-(2-Phenyldiazenyl)benzoic acid | EINECS 216-347-8 | HY-W106234 | 4-phenyldiazenylbenzoic acid | 4-phenyldiazenyl-benzoic acid | 4-
Storage
Room temperature
Shipped In
Normal
Size
Status
Price
Qty
200mg
P160262-200mg
3

$9.90

$14.90
Save $5.00 (33.56%)
1g
P160262-1g
8

$26.90

$40.90
Save $14.00 (34.23%)
5g
P160262-5g
8

$98.90

$148.90
Save $50.00 (33.58%)
25g
P160262-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$260.90

$391.90
Save $131.00 (33.43%)
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Why this grade

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

🌡

Storage & shipping

Room temperature Ships Normal 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Usually used in the preparation of a novel photochromic ZrO2 precursor solution.

Specifications

Synonyms
DTXSID1061784 | PD197264 | 4-(Phenylazo)benzoic acid, 98% | Benzoic acid, 4-(phenylazo)-, (E)- | p-Phenylazobenzoic acid | 4-(2-Phenyldiazenyl)benzoic acid | EINECS 216-347-8 | HY-W106234 | 4-phenyldiazenylbenzoic acid | 4-phenyldiazenyl-benzoic acid | 4-
Specifications & Purity
≥98%(T)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(T)
Names and Identifiers
Pubchem Sid488182087
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182087
Canonical SmilesC1=CC=C(C=C1)N=NC2=CC=C(C=C2)C(=O)O
IUPAC Name4-phenyldiazenylbenzoic acid
InChIKeyCSPTZWQFHBVOLO-UHFFFAOYSA-N
INCHI1S/C13H10N2O2/c16-13(17)10-6-8-12(9-7-10)15-14-11-4-2-1-3-5-11/h1-9H,(H,16,17)
Isomeric SMILES C1=CC=C(C=C1)N=NC2=CC=C(C=C2)C(=O)O
WGK Germany 3
PubChem CID 15276
Molecular Weight 226.24
Reaxy-Rn 1842228

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
ClassAzobenzenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentAzobenzenes
Alternative Parents Benzoic acids  Benzoyl derivatives  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Azobenzene - Benzoic acid or derivatives - Benzoic acid - Benzoyl - Monocyclic benzene moiety - Benzenoid - Azo compound - Organic 1,3-dipolar compound - Carboxylic acid derivative - Carboxylic acid - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Hydrocarbon derivative - Organic oxygen compound - Organonitrogen compound - Organooxygen compound - Organic oxide - 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





Associated Targets(Human)
SCN5A Tclin Sodium channel protein type V alpha subunit (3462 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TRPV4 Tchem Transient receptor potential cation channel subfamily V member 4 (774 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HL-60 (67320 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Scn4a Sodium channel protein type IV alpha subunit (55 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mus musculus (284745 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Trpa1 Transient receptor potential cation channel subfamily A member 1 (1003 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

8 results found

Lot NumberCertificate TypeDateItem
L2109331Certificate of AnalysisSep 09, 2025 P160262
C2520254Certificate of AnalysisNov 24, 2022 P160262
D2325122Certificate of AnalysisNov 24, 2022 P160262
D2325131Certificate of AnalysisNov 24, 2022 P160262
L2214259Certificate of AnalysisNov 24, 2022 P160262
L2214260Certificate of AnalysisNov 24, 2022 P160262
L2214380Certificate of AnalysisNov 24, 2022 P160262
C2208099Certificate of AnalysisDec 21, 2021 P160262
Chemical and Physical Properties
Melt Point(°C)248 °C
Molecular Weight226.230 g/mol
XLogP33.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass226.074 Da
Monoisotopic Mass226.074 Da
Topological Polar Surface Area62.000 Ų
Heavy Atom Count17
Formal Charge0
Complexity277.000
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. Xiaonan Liu, Yujie Zhang, Yijie Liu, Shengming Hua, Fanjun Meng, Qinglin Ma, Lingming Kong, Shihui Pan, Yuju Che.  (2023)  Injectable, self-healable and antibacterial multi-responsive tunicate cellulose nanocrystals strengthened supramolecular hydrogels for wound dressings.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:37030460] [10.1016/j.ijbiomac.2023.124365]
2. Shen Yan, Fang Nan, Liu Xinru, Ling Yu, Su Yuming, Tan Tian, Chen Feng, Lin He, Zhao Boxuan, Wang Jin, Si Duanhui, Xie Shunji, Wang Ye, Zhou Da, Zhang Teng, Cao Rong, Wang Cheng.  (2025)  Observation of metal-organic interphase in Cu-based electrochemical CO2-to-ethanol conversion.  Nature Communications,  16  (1): (1-18).  [PMID:40021652] [10.1038/s41467-025-57221-x]
3. Wenjie Zhang, Wenliang Xue, Zhaoli Jia, Rong Yang, Penghui Wang, Yi Hu, Xiaoyan Tan, Qiang Chen, Bo Chi.  (2024)  Photo-driven dynamic hydrogel modulates bone marrow mesenchymal stem cells behavior for enhanced cartilage regeneration.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.149689]
4. Zhang Zuhong, Zhu Rui, Li Guixiang, Tang Ying, Wu Hongzhuo, Zhao Jinbo, Wu Jiaxin, Gries Thomas W., Musiienko Artem, Zuo Shengnan, Li Zhe, He Bingchen, Su Zhenhuang, Gao Xingyu, Zuo Weiwei, Hou Bo, Pascual Jorge, Sapienza Luca, Wang Luyao, Deng Lin-Long, Jia Yu, Li Gang, Dyson Paul J., Nazeeruddin Mohammad Khaja, Saliba Michael, Abate Antonio, Li Meng.  (2026)  Photoswitchable isomers to improve grain boundary resilience and perovskite solar cells stability under light cycling.  Nature Energy,      [PMID:] [10.1038/s41560-026-01993-z]
5. Peng Xiaoyan, Han Liwei, Wu Xuanhao, Keok Hong Ling, Zhang Wanglin, Mao Min, Zhu Haiyun, Liu Lingmei, Yang Hao, Yang Aijun, Chu Jifeng, Li Yi, Xiao Song, Buenconsejo Pio John S., Zhang Mingming, Zhao Dan, Yuan Hongye.  (2026)  Responsive interlayer spacing in staggered metal-organic framework nanosheet membranes.  Nature Communications,      [PMID:41741464] [10.1038/s41467-026-69929-5]
Solution Calculators
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