4-(2-Pyridylazo)resorcinol（PAR） - AR , CAS No.1141-59-9

CAS: 1141-59-9 Cat. No.: P111786 Peso molecular: 215.21 Beilstein Registry Number: 184665 Número EC: 214-528-6

GRADE & PURITY AR

Synonyms

PAR | NSC 148355 | 4-(Pyridin-2-yldiazenyl)benzene-1,3-diol | 4-(2-Pyridylazo)-2-resorcinol | 4-(2-Pyridinylazo)-1,3-dihydroxybenzene | 4-(2′-Pyridylazo)-resorcinol | 1-(2-Pyridylazo)resorcinol

Storage

Room temperature

Shipped In

Normal

Specifications

Sinónimos

PAR | NSC 148355 | 4-(Pyridin-2-yldiazenyl)benzene-1, 3-diol | 4-(2-Pyridylazo)-2-resorcinol | 4-(2-Pyridinylazo)-1, 3-dihydroxybenzene | 4-(2′-Pyridylazo)-resorcinol | 1-(2-Pyridylazo)resorcinol

Especificaciones y pureza

AR

Condiciones de almacenamiento de almacenamiento

Room temperature

Enviado en

Normal

Grado

AR

Nombres e identificadores

• Pubchem Sid: 488183657
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488183657
• Sonrisas canónicas: C1=CC=NC(=C1)N=NC2=C(C=C(C=C2)O)O
• IUPAC Name: 4-(pyridin-2-yldiazenyl)benzene-1,3-diol
• InChIKey: RJNYNDHYSJRRDW-UHFFFAOYSA-N
• INCHI: 1S/C11H9N3O2/c15-8-4-5-9(10(16)7-8)13-14-11-3-1-2-6-12-11/h1-7,15-16H
• Isómeros SMILES: C1=CC=NC(=C1)N=NC2=C(C=C(C=C2)O)O
• WGK Alemania: 3
• Peso molecular: 215.21
• Beilstein: 184665
• Reaxy-Rn: 8128601
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8128601&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Clase Phenols
      • Subclass Benzenediols

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Clase: Phenols
• Subclass: Benzenediols
• Intermediate Tree Nodes: Not available
• Direct Parent: Resorcinols
• Alternative Parents: 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Pyridines and derivatives Benzene and substituted derivatives Heteroaromatic compounds Azo compounds Propargyl-type 1,3-dipolar organic compounds Azacyclic compounds Organopnictogen compounds Organooxygen compounds Hydrocarbon derivatives
• Molecular Framework: Aromatic heteromonocyclic compounds
• Substituents: Resorcinol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Monocyclic benzene moiety - Pyridine - Heteroaromatic compound - Azo compound - Azacycle - Organoheterocyclic compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Hydrocarbon derivative - Organopnictogen compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Aromatic heteromonocyclic compound
• Descripción: This compound belongs to the class of organic compounds known as resorcinols. These are compounds containing a resorcinol moiety, which is a benzene ring bearing two hydroxyl groups at positions 1 and 3.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Propiedades químicas y físicas

• Solubilidad: Soluble in water (partly), and ethanol (slightly). Insoluble in ether, and low-polarity solvents.
• Punto de fusión (°C): 187-202°C
• Peso molecular: 215.210 g/mol
• XLogP3: 2.300
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 2
• Exact Mass: 215.069 Da
• Monoisotopic Mass: 215.069 Da
• Topological Polar Surface Area: 78.100 Ų
• Heavy Atom Count: 16
• Formal Charge: 0
• Complexity: 247.000
• 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

Referencias

1. Xiuyuan Ma, Jiayue Ma, Mengzhu Li, Yuanxin Gu, Ting Wang.  (2022)  MnO2 oxidative degradation of lignin and electrochemical recovery study.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2022.110091]

2. Nan Hu, Lin Chen, Yanfei Li, Huizhen Li, Zhijun Zhang, Nana Lei.  (2022)  Enhanced flotation of heavy metal ion by perilla seed meal protein as a novel collector: Preparation, mechanism and performance.  JOURNAL OF MOLECULAR LIQUIDS,      [PMID:] [10.1016/j.molliq.2022.119914]

3. Shan Sun, Sihua Qian, Jianping Zheng, Zhongjun Li, Hengwei Lin.  (2020)  A colorimetric sensor array for the discrimination of Chinese liquors.  ANALYST,  145  (21): (6968-6973).  [PMID:32856630] [10.1039/D0AN01496F]

4. Xing Yin, Zhaoju Zhang, Hongyang Ma, Shyam Venkateswaran, Benjamin S. Hsiao.  (2020)  Ultra-fine electrospun nanofibrous membranes for multicomponent wastewater treatment: Filtration and adsorption.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2020.116794]

5. Cong Li, Hongyang Ma, Shyam Venkateswaran, Benjamin S. Hsiao.  (2019)  Highly efficient and sustainable carboxylated cellulose filters for removal of cationic dyes/heavy metals ions.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2019.123458]

6. Haoqing Wang, Hongzhou Shang, Xiaoran Sun, Lun Hou, Mingyue Wen, Yaxuan Qiao.  (2019)  Preparation of thermo-sensitive surface ion-imprinted polymers based on multi-walled carbon nanotube composites for selective adsorption of lead(II) ion.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2019.124139]

7. Xiaoqing Wang, Yan Lou, Xinyan Ye, Xuedan Chen, Lei Fang, Yinghao Zhai, Yuqiang Zheng, Chunhua Xiong.  (2018)  Green chemical method for the synthesis of chromogenic fiber and its application for the detection and extraction of Hg2+ and Cu2+ in environmental medium.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:30384244] [10.1016/j.jhazmat.2018.10.051]

8. Hao Sun, Yuan Jia, Hui Dong, Longxiang Fan, Jianping Zheng.  (2018)  Multiplex quantification of metals in airborne particulate matter via smartphone and paper-based microfluidics.  ANALYTICA CHIMICA ACTA,      [PMID:30442391] [10.1016/j.aca.2018.07.053]

9. Qian Liu, Danting Li, Zhifeng Zhu, Shimeng Yu, Yan Zhang, Dabin Yu, Yang Jiang.  (2018)  N-doped carbon dots from phenol derivatives for excellent colour rendering WLEDs.  RSC Advances,  8  (9): (4850-4856).  [PMID:35539542] [10.1039/C7RA12522D]

10. Xiuquan Jia, Jiping Ma, Min Wang, Zhongtian Du, Fang Lu, Feng Wang, Jie Xu.  (2014)  Promoted role of Cu(NO3)2 on aerobic oxidation of 5-hydroxymethylfurfural to 2,5-diformylfuran over VOSO4.  APPLIED CATALYSIS A-GENERAL,      [PMID:] [10.1016/j.apcata.2014.05.031]

11. Liran Hu, Shan Li, Tao Luo, Dehua Xu, Xiushan Yang, Xinlong Wang.  (2024)  Neutralization of titania waste acid with iron oxides.  Chemical Engineering and Processing-Process Intensification,      [PMID:] [10.1016/j.cep.2024.109671]

12. Pan Xiaoya, Wang Hongyue, Guo Keshuang, Zhang Tong, Li Xinnan, Zhang Xiangrong.  (2025)  Preparation, characterization and evaluation of L-theanine - zinc chelate: increasing stability, antioxidant, and antidiabetic activity.  Journal of Food Measurement and Characterization,      [PMID:] [10.1007/s11694-025-03104-0]

13. Yukun Zhang, Wenrui Zhang, Zongda Li, Mingping Shen, Haoqiang Liu, Fanxing Meng, Minwei Zhang.  (2025)  Flexible non-enzymatic electrochemical sensors with graphene nanoconfined ZrO2 composites for monitoring and discriminating multiple nitroaromatic organophosphorus pesticides.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2025.115049]

14. Shaojie Chen, Hao Tang, Xiaoliang Fan, Bohan Li, Yaomin Wang, Wei Zhou, Xiaoyu Jiang, Xiaomin Dong, Yanyi Wang, Peng Zhao, Tianwen Ye, Bolin An, Yijun Zheng, Chao Zhong.  (2026)  Bio-orthogonal functionalization of bacterial cellulose combining metabolic glycoengineering and click chemistry.  Nature Communications,      [PMID:41633993] [10.1038/s41467-026-69130-8]