≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice 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 6 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504758002 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504758002 |
| Canonical Smiles | C1=CC2=C(C=C1Cl)N(N=N2)O |
| IUPAC Name | 6-chloro-1-hydroxybenzotriazole |
| InChIKey | TZCYLJGNWDVJRA-UHFFFAOYSA-N |
| INCHI | 1S/C6H4ClN3O/c7-4-1-2-5-6(3-4)10(11)9-8-5/h1-3,11H |
| Isomeric SMILES | C1=CC2=C(C=C1Cl)N(N=N2)O |
| UN Number | 1325 |
| Molecular Weight | 169.57 |
| Reaxy-Rn | 610024 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=610024&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 | Benzotriazoles |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Benzotriazoles |
| Alternative Parents | Benzenoids Aryl chlorides Triazoles Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organochlorides Organic oxygen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Benzotriazole - Aryl chloride - Aryl halide - Benzenoid - Azole - Triazole - 1,2,3-triazole - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organonitrogen compound - Organochloride - Organohalogen compound - Organopnictogen compound - Organic oxygen compound - Hydrocarbon derivative - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as benzotriazoles. These are organic compounds containing a benzene fused to a triazole ring (a five-membered ring with two carbon atoms and three nitrogen atoms). |
| 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 |
|---|---|---|---|
 H2219159 | Certificate of Analysis | Jun 08, 2026 | C109318 |
| E2613095 | Certificate of Analysis | May 16, 2026 | C109318 |
| B1715007 | Certificate of Analysis | Sep 05, 2024 | C109318 |
| D2428160 | Certificate of Analysis | Mar 25, 2024 | C109318 |
| D2428161 | Certificate of Analysis | Mar 25, 2024 | C109318 |
| D2428162 | Certificate of Analysis | Mar 25, 2024 | C109318 |
| A1911077 | Certificate of Analysis | Nov 17, 2022 | C109318 |
| Melt Point(°C) | 197.6-197.8°C |
|---|---|
| Molecular Weight | 169.570 g/mol |
| XLogP3 | 1.800 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 169.004 Da |
| Monoisotopic Mass | 169.004 Da |
| Topological Polar Surface Area | 50.900 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 157.000 |
| 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. Dantong Zhou, Zhanlin Zhang, Bo Qiu, Dandan Zhang, Shuang Xie, Kun Huang, Xiaohong Li. (2022) Ultrasound-Activated Persistent Luminescence Imaging and Bacteria-Triggered Drug Release for Helicobacter pylori Infection Theranostics. ACS Applied Materials & Interfaces, [PMID:] [10.1021/acsami.2c04683] |
| 2. Li Chen, Kun Guo, Shi-Lin Zeng, Long Xu, Cheng-Yuan Xing, Sheng Zhang, Bang-Jing Li. (2020) Cross-stacking aligned non-woven fabrics with automatic self-healing properties for electromagnetic interference shielding. CARBON, [PMID:] [10.1016/j.carbon.2020.02.034] |
| 3. Xiao-Mei Zhang, Kun Guo, Luo-Hao Li, Sheng Zhang, Bang-Jing Li. (2015) Multi-stimuli-responsive magnetic assemblies as tunable releasing carriers. Journal of Materials Chemistry B, 3 (29): (6026-6031). [PMID:32262659] [10.1039/C5TB00845J] |
| 4. Shengjie Hu, Rumeng Zhao, Yuchen Tang, Tingjuan Gao. (2025) Rapid solid-phase microProbing of soil and groundwater lead and cadmium by tuning hydrophilic and hydrophobic microenvironments. JOURNAL OF HAZARDOUS MATERIALS, [PMID:40120269] [10.1016/j.jhazmat.2025.137907] |
| 5. Chong Fu, Zuxin Fan, Dong Xiao, Guangming Tian, Yan Hou, Yunlong Wu, Rui Qu, Jing Zheng, Wan Yi, Xiaowei Zhou. (2025) Inhibition behavior of benzotriazole derivatives for SAC305 solder alloy in an organic acid environment: experimental and theoretical investigations. APPLIED SURFACE SCIENCE, [PMID:] [10.1016/j.apsusc.2025.164031] |
| 6. Yushan Ni, Yanhua Liu, Weijun Mo, Geoffrey I.N. Waterhouse, Zhiming Zhang, Liangmin Yu. (2026) Coral-inspired photoelectrochemical coating with dynamic self-cleaning and antifouling properties. JOURNAL OF COLLOID AND INTERFACE SCIENCE, [PMID:41762902] [10.1016/j.jcis.2026.140163] |
