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4-(2-Pyridylazo)resorcinol - reagent grade, high purity , CAS No.1141-59-9

    Grade & Purity:
  • AR
In stock
Item Number
P111786
Grouped product items
SKU Size
Availability
Price Qty
P111786-1g
1g
1
$34.90
P111786-5g
5g
1
$139.90
P111786-25g
25g
Available within 8-12 weeks(?)
Production requires sourcing of materials. We appreciate your patience and understanding.
$489.90

Basic Description

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
Specifications & Purity AR
Shipped In Normal
Grade AR

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
Superclass Benzenoids
Class 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
Description 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

Names and Identifiers

Pubchem Sid 488183657
Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/488183657
IUPAC Name 4-(pyridin-2-yldiazenyl)benzene-1,3-diol
INCHI 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
InChIKey RJNYNDHYSJRRDW-UHFFFAOYSA-N
Smiles C1=CC=NC(=C1)N=NC2=C(C=C(C=C2)O)O
Isomeric SMILES C1=CC=NC(=C1)N=NC2=C(C=C(C=C2)O)O
WGK Germany 3
Molecular Weight 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=

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.

10 results found

Lot Number Certificate Type Date Item
G2501542 Certificate of Analysis Jun 13, 2025 P111786
G2501583 Certificate of Analysis Jun 13, 2025 P111786
G2501585 Certificate of Analysis Jun 13, 2025 P111786
H2316465 Certificate of Analysis May 12, 2025 P111786
H2316466 Certificate of Analysis May 12, 2025 P111786
H2316467 Certificate of Analysis May 12, 2025 P111786
B2513129 Certificate of Analysis Aug 03, 2023 P111786
G2325203 Certificate of Analysis Jul 14, 2023 P111786
G2325213 Certificate of Analysis Jul 14, 2023 P111786
G2325196 Certificate of Analysis Jul 14, 2023 P111786

Chemical and Physical Properties

Solubility Soluble in water (partly), and ethanol (slightly). Insoluble in ether, and low-polarity solvents.
Melt Point(°C) 187-202°C
Molecular Weight 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

Alternative Products

Citations of This Product

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,  204  (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,  363  (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). 
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,  242  (116794). 
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6. Haoqing Wang, Hongzhou Shang, Xiaoran Sun, Lun Hou, Mingyue Wen, Yaxuan Qiao.  (2020)  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,  585  (124139). 
7. Xiaoqing Wang, Yan Lou, Xinyan Ye, Xuedan Chen, Lei Fang, Yinghao Zhai, Yuqiang Zheng, Chunhua Xiong.  (2019)  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,  364  (339). 
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,  1044  (110). 
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,  (9): (4850-4856). 
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,  482  (231). 
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,  197  (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,    (1-14). 

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