Determine the necessary mass, volume, or concentration for preparing a solution.
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≥50%(via Cl), 50% in H2O for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships 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 47 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Benzalkonium chloride is a quaternary ammonium salt that can be used as a preservative, antiseptic, and disinfectant in ocular drug products.
Application
Benzalkonium chloride (BAC) can be used as: A cationic surfactant in chemical polymerization reactions. A phase-transfer catalyst for the quantitative determination of sulfide in the whole blood sample by extractive alkylation technique using GC-MS.
| Canonical Smiles | CCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1.[Cl-] |
|---|---|
| IUPAC Name | benzyl-decyl-dimethylazanium;chloride |
| InChIKey | TTZLKXKJIMOHHG-UHFFFAOYSA-M |
| INCHI | 1S/C19H34N.ClH/c1-4-5-6-7-8-9-10-14-17-20(2,3)18-19-15-12-11-13-16-19;/h11-13,15-16H,4-10,14,17-18H2,1-3H3;1H/q+1;/p-1 |
| Isomeric SMILES | CCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1.[Cl-] |
| WGK Germany | 2 |
| Alternate CAS | 8001-54-5 |
| UN Number | 3267 |
| Packing Group | I |
| Beilstein | 4062599 |
| Reaxy-Rn | 3578562 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3578562&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 | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Alkyldimethylbenzylammonium halides |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Alkyldimethylbenzylammonium chlorides |
| Alternative Parents | Phenylmethylamines Benzylamines Aralkylamines Tetraalkylammonium salts Organopnictogen compounds Organic chloride salts Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Alkyldimethylbenzylammonium chloride - Phenylmethylamine - Benzylamine - Aralkylamine - Tetraalkylammonium salt - Quaternary ammonium salt - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organic chloride salt - Organic salt - Organonitrogen compound - Amine - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as alkyldimethylbenzylammonium chlorides. These are organic compounds consisting of a quaternary ammonium group substituted with a benzyl group, two methyl groups as well as an alkyl chain. These compounds also contain a chlorine ion and have the general structure R1[N+](CH3)(CH3)R2.[Cl-], where R1 = benzyl group and R2 = alkyl chain. |
| External Descriptors | Not available |
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| Molecular Weight | 311.900 g/mol |
|---|---|
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 11 |
| Exact Mass | 311.238 Da |
| Monoisotopic Mass | 311.238 Da |
| Topological Polar Surface Area | 0.000 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 216.000 |
| 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 | 2 |
| 1. Xinyue Wang, Hongjian Huang, Renfeng Xu, Yan Fang, Yunxiang Weng, Zhengchao Wang, Xiaopeng Xiong, Haiqing Liu. (2023) Robust but On-Demand Detachable Wet Tissue Adhesive Hydrogel Enhanced with Modified Tannic Acid. ACS Applied Materials & Interfaces, [PMID:37733382] [10.1021/acsami.3c10140] |
| 2. Huachao Liu, Xiaoli Liu, Yu Rao, Xiran Shen, Zengchao Tang, Hong Chen. (2023) Facile fabrication of robust and universal UV-curable polyurethane composite coatings with antibacterial properties. POLYMER ENGINEERING AND SCIENCE, 63 (10): (3371-3381). [PMID:] [10.1002/pen.26452] |
| 3. Yu Linrong, Zhang Qiliang, Zhou Liping, Wei Yanjun, Li Mengshuang, Wu Xianggen, Xin Meng. (2023) Ocular topical application of alpha-glucosyl hesperidin as an active pharmaceutical excipient: in vitro and in vivo experimental evaluation. Drug Delivery and Translational Research, [PMID:37531034] [10.1007/s13346-023-01403-x] |
| 4. Ting Zhang, Yuwei Xue, Mingjun Xu, Ziqi Zhu, Qian Zhang, Junming Hong. (2023) Efficient degradation of benzalkonium chloride by FeMn-CA300 catalyst activated persulfate process: Surface hydroxyl potentiation mechanism and degradation pathway. ENVIRONMENTAL POLLUTION, [PMID:37315885] [10.1016/j.envpol.2023.121986] |
| 5. Jiahui Yan, Yanan Wang, Jingwen Zhang, Xiaohu Liu, Liangmin Yu, Zhiyu He. (2023) Rapidly Blocking the Calcium Overload/ROS Production Feedback Loop to Alleviate Acute Kidney Injury via Microenvironment-Responsive BAPTA-AM/BAC Co-Delivery Nanosystem. Small, 19 (17): (2206936). [PMID:36719986] [10.1002/smll.202206936] |
| 6. Kai Yang, Mo-Lian Chen, Dong Zhu. (2023) Exposure to benzalkonium chloride disinfectants promotes antibiotic resistance in sewage sludge microbiomes. SCIENCE OF THE TOTAL ENVIRONMENT, [PMID:36638983] [10.1016/j.scitotenv.2023.161527] |
| 7. Lingyue Zhang, Chu Tang, Mingchun Li, Huijing Wang, Sijia Zhang, Jianchao Wang, Xinwei Dong, Ding Fang, Hao Bai, Yue Sun, Dongbei Yue. (2022) Identification of key surfactant in municipal solid waste leachate foaming and its influence mechanism. WATER RESEARCH, [PMID:36680826] [10.1016/j.watres.2022.119487] |
| 8. Hongsheng Liu, Kun Dai, Jinjun Deng, Li Zhao, Hailin Yu, Huili Zhang, Yanbin Tong, Lingmin Wu, Liqun Sun. (2022) Synthesis of antibacterial polyaluminium silicate sulfate /sepiolitenano composite coagulant for oilfield sewage treatment. Journal of Cleaner Production, [PMID:] [10.1016/j.jclepro.2022.134385] |
| 9. Mingyan Zhao, Jingfeng Gao, Ying Liu, Zhiqi Wang, Zejie Wu, Haoran Zhang, Yi Zhang. (2022) Short-term stress of quaternary ammonium compounds on intracellular and extracellular resistance genes in denitrification systems. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2022.139166] |
| 10. Han Qiao, Zhuo Xu, Mengchi Sun, Shuwen Fu, Fangxue Zhao, Danping Wang, Zhonggui He, Yinglei Zhai, Jin Sun. (2022) Rebamipide liposome as an effective ocular delivery system for the management of dry eye disease. JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY, [PMID:] [10.1016/j.jddst.2022.103654] |
| 11. Lei Zhang, Hai Tang, Zijie Xiahou, Jiahui Zhang, Yunlang She, Kunxi Zhang, Xuefei Hu, Jingbo Yin, Chang Chen. (2022) Solid multifunctional granular bioink for constructing chondroid basing on stem cell spheroids and chondrocytes. Biofabrication, 14 (3): (035003). [PMID:35378518] [10.1088/1758-5090/ac63ee] |
| 12. Baohuan Wu, Jie Feng, Tian Zeng, Qian Guo, Zhiwei Zhang, Chen Ding, Baocheng Tian, Sixiang Sai. (2022) Flurbiprofen loaded thermosensitive nanohydrogel for ophthalmic anti-inflammatory therapy. JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY, [PMID:] [10.1016/j.jddst.2022.103253] |
| 13. Wenchao Zheng, Zuyi Yan, Rui Zhang, Wusan Jiang, Xiao Luo, Zhiwu Liang, Qi Yang, Hai Yu. (2022) A study of kinetics, equilibrium solubility, speciation and thermodynamics of CO2 absorption into benzylamine (BZA) solution. CHEMICAL ENGINEERING SCIENCE, [PMID:] [10.1016/j.ces.2022.117452] |
| 14. Meng Tong, Xiaoyan Wu, Shuya Zhang, Di Hua, Shukun Li, Xiangyu Yu, Jing Wang, Zhenhai Zhang. (2021) Application of TPGS as an efflux inhibitor and a plasticizer in baicalein solid dispersion. EUROPEAN JOURNAL OF PHARMACEUTICAL SCIENCES, [PMID:34774716] [10.1016/j.ejps.2021.106071] |
| 15. Anlong Liu, Qi Wang, Zinan Zhao, Rui Wu, Maochun Wang, Jiawei Li, Kuoyang Sun, Ziying Sun, Zhongyang Lv, Jia Xu, Huiming Jiang, Mimi Wan, Dongquan Shi, Chun Mao. (2021) Nitric Oxide Nanomotor Driving Exosomes-Loaded Microneedles for Achilles Tendinopathy Healing. ACS Nano, [PMID:34324304] [10.1021/acsnano.1c03177] |
| 16. Xue Yang, Li Xiaohua, Zhang Shixian, Guo Ruiwei. (2021) Direct Determination of Interchain Transfer Constants for Radical Polymerization of Benzyl Acrylate by RAFT Polymerization and Polymer Chromatography. MACROMOLECULAR RESEARCH, 29 (7): (477-486). [PMID:] [10.1007/s13233-021-9057-9] |
| 17. Xiaofang Niu, Han Liu, Su Xue, Jinli Zhang, Wei Li. (2021) Solubility and thermodynamic properties of flonicamid in pure and binary solvents in the temperature range of 283.15–323.15 K. JOURNAL OF MOLECULAR LIQUIDS, [PMID:] [10.1016/j.molliq.2021.116233] |
| 18. Baohuan Wu, Mengshun Li, Keke Li, Wei Hong, Qingzhi Lv, Youjie Li, Shuyang Xie, Jingtian Han, Baocheng Tian. (2021) Cell penetrating peptide TAT-functionalized liposomes for efficient ophthalmic delivery of flurbiprofen: Penetration and its underlying mechanism, retention, anti-inflammation and biocompatibility. INTERNATIONAL JOURNAL OF PHARMACEUTICS, [PMID:33647409] [10.1016/j.ijpharm.2021.120405] |
| 19. Zhang Xiufeng, Xiong Wenguang, Peng Xianfeng, Lu Yixing, Hao Jie, Qin Zonghua, Zeng Zhenling. (2021) Isopropoxy Benzene Guanidine Kills Staphylococcus aureus Without Detectable Resistance. Frontiers in Microbiology, [PMID:33613506] [10.3389/fmicb.2021.633467] |
| 20. Cheng Hao, Zhao Wenjie. (2021) Regulating the Nb2C nanosheets with different degrees of oxidation in water lubricated sliding toward an excellent tribological performance. Friction, 10 (3): (398-410). [PMID:] [10.1007/s40544-020-0469-x] |
| 21. Xuexia Zhu, Zeshuang Wang, Yunfei Sun, Lei Gu, Lu Zhang, Jun Wang, Yuan Huang, Zhou Yang. (2020) Surfactants at environmentally relevant concentrations interfere the inducible defense of Scenedesmus obliquus and the implications for ecological risk assessment. ENVIRONMENTAL POLLUTION, [PMID:32066053] [10.1016/j.envpol.2020.114131] |
| 22. Lin Liu, Hengchong Shi, Huan Yu, Rongtao Zhou, Jinghua Yin, Shifang Luan. (2019) One-step hydrophobization of tannic acid for antibacterial coating on catheters to prevent catheter-associated infections. Biomaterials Science, 7 (12): (5035-5043). [PMID:31535105] [10.1039/C9BM01223K] |
| 23. Bing-huang Wang, Qian Zhang, Jun-ming Hong, Ling Li. (2018) Highly effective iron–carbon–bentonite–alginate beads (Fe°/C-BABs) as catalyst to treat benzalkonium chloride in fixed-bed column systems. PROCESS SAFETY AND ENVIRONMENTAL PROTECTION, [PMID:] [10.1016/j.psep.2018.07.018] |
| 24. Zhang Qian, Xia Yu-Feng, Hong Jun-Ming. (2016) Mechanism and toxicity research of benzalkonium chloride oxidation in aqueous solution by H2O2/Fe2+ process. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 23 (17): (17822-17830). [PMID:27250091] [10.1007/s11356-016-6986-5] |
| 25. Junyan Yao, Shijie Zhang, Wudan Li, Zhi Du, Yujie Li. (2015) In vitro drug controlled-release behavior of an electrospun modified poly(lactic acid)/bacitracin drug delivery system. RSC Advances, 6 (1): (515-521). [PMID:] [10.1039/C5RA22467E] |
| 26. Dongyang Xu, Qing Nie, Wenyan Wang, Lei Shi, He Yan. (2015) Characterization of a transferable bcrABC and cadAC genes-harboring plasmid in Listeria monocytogenes strain isolated from food products of animal origin. INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY, [PMID:26513251] [10.1016/j.ijfoodmicro.2015.10.021] |
| 27. Changchang Ma, Mingjun Zhou, Dan Wu, Mengyao Feng, Xinlin Liu, Pengwei Huo, Weidong Shi, Zhongfei Ma, Yongsheng Yan. (2015) One-step hydrothermal synthesis of cobalt and potassium codoped CdSe quantum dots with high visible light photocatalytic activity. CRYSTENGCOMM, 17 (7): (1701-1709). [PMID:] [10.1039/C4CE02414A] |
| 28. Kai Liu, Xinxing Lin, Lihui Chen, Liulian Huang, Shilin Cao, Huangwei Wang. (2013) Preparation of Microfibrillated Cellulose/Chitosan–Benzalkonium Chloride Biocomposite for Enhancing Antibacterium and Strength of Sodium Alginate Films. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, [PMID:23750871] [10.1021/jf4010065] |
| 29. Xiaoyuan Jiang, Jihuai Wu, Ying Wang, Puzhao Yang, Qiang Ouyang, Wenxuan Hao, Wenhui Lin, Weihai Sun, Zhang Lan, Miaoliang Huang. (2024) Benzalkonium chloride modification of tin oxide to enhance the performance of perovskite solar cells. ELECTROCHIMICA ACTA, [PMID:] [10.1016/j.electacta.2024.144241] |
| 30. Guo Zhixin, Song Yutong, Liu Zhihong, Dai Jiansheng, Chen Zhenzhen, Feng Xianquan, Gao Wenhao, Zeng Lingjun, Song Hongtao. (2024) Development of FK506-loaded maleimide-functionalized cationic niosomes for prolonged retention and therapeutic efficacy in dry eye disease. Drug Delivery and Translational Research, [PMID:39438428] [10.1007/s13346-024-01726-3] |
| 31. Hao-Tian Liu, Han-Qing Zhao, Yi-Rui Yang, Shuang Wu, Jia-Ping Huang, Rui-Han Yu, Hongcheng Bai, Aqiang Ding, Daijun Zhang, Peili Lu. (2025) Enhanced electrocatalytic oxidation of high-salinity quaternary ammonium compound wastewater using CNTs-(RuₓIrᵧO₂)/Ti Anode. Journal of Environmental Sciences, [PMID:40602931] [10.1016/j.jes.2025.02.031] |
| 32. Wang Yanan, Shi Shaohua, Zhang Ling, Wang Songtao, Qin Hongqing, Wei Yanjun, Wu Xianggen, Zhang Mengmeng. (2024) Imatinib@glycymicelles entrapped in hydrogel: preparation, characterization, and therapeutic effect on corneal alkali burn in mice. Drug Delivery and Translational Research, [PMID:38494558] [10.1007/s13346-024-01570-5] |
| 33. Aixin Ma, Yue Shi, Jiejie Bai, Hangkai Shi, G.A. Bagliuk, Jianping Lai, Lei Wang. (2025) Mn0.6Ce0.4O2/CNT electrocatalyst boosts the efficient electrocatalytic oxidation of toluene to benzoic acid. Journal of Energy Chemistry, [PMID:] [10.1016/j.jechem.2025.01.022] |
| 34. Zhilei Wang, Zipeng Zhang, Chenyu Wu, Zikuan Wang, Wenjian Liu. (2024) Pushing the Limit of Photo-Controlled Polymerization: Hyperchromic and Bathochromic Effects. MOLECULES, 29 (10): (2377). [PMID:38792240] [10.3390/molecules29102377] |
| 35. Xiaoliang Li, Liang Zhao, Mark Douthwaite, Kai Wang, Ouardia Akdim, Isaac T. Daniel, Rena Oh, Lei Liu, Zhe Wang, Fanhui Meng, Samuel Pattisson, Angeles López-Martin, Jian Yang, Xiaoyang Jerry Huang, Richard J. Lewis, Graham J. Hutchings. (2024) Solvent-Free Benzyl Alcohol Oxidation Using Spatially Separated Carbon-Supported Au and Pd Nanoparticles. ACS Catalysis, [PMID:] [10.1021/acscatal.4c05019] |
| 36. Yaoqi Chen, Hua Zhang, Jie Yao, Xu Cao, Yang Luo, Qiguang Wang, Yi Yu, Rui Su, Yudong Yao, Gonghui Li, Jun Fu, Gordon G. Wallace, Jun Chen, Kerong Wu. (2025) Biodegradable Anti-Stenosis Microsurgical Implantable Hydrogel Stent for Efficient Vas Deferens Recanalization. ADVANCED FUNCTIONAL MATERIALS, [PMID:] [10.1002/adfm.202515388] |
| 37. Wang Jingwei, Jiang Yingze, Jia Quan, Zhao Pan, Kang Haowu, Huang Huatao, Deng Yubin, Yu Hang, Xu Dan, Ma Qiao. (2025) Response of bacterial communities to benzalkonium chloride exposure in marine sediment systems. ECOTOXICOLOGY, [PMID:40973924] [10.1007/s10646-025-02966-w] |
| 38. Ding Yu Xing, Yihua Chen, Jiaxin Zhu, Tongzhou Liu. (2020) Fabrication of hydrolytically stable magnetic core-shell aminosilane nanocomposite for the adsorption of PFOS and PFOA. CHEMOSPHERE, [PMID:32143082] [10.1016/j.chemosphere.2020.126384] |
| 39. Yang Mei, Huang Yida, Chen Zhongxing, Ye Qianfang, Zeng Zhenhai, You Xinru, Bao Bijun, Xing Wenqian, Zhao Nan, Zou Zhilin, Pan Hongxian, Chen Xin, Gao Qingyi, Chen Tingting, Zhang Shenrong, Chen Aodong, Xiao Yichen, Xu Huilin, Li Jiawei, Li Yongjiang, Kong Na, Tao Wei, Zhou Xingtao, Huang Jinhai. (2025) Synthetic carbon-based lanthanide upconversion nanoparticles for enhanced photothermal therapy. Nature Communications, 16 (1): (1-21). [PMID:40634298] [10.1038/s41467-025-60454-5] |
| 40. Jujing Wang, Haimei Lin, Jinsheng Xiao, Guiyu Tan, Luobin Yan, Jiabo Chen, Jun Zhao, Junjie Wang. (2025) Environmental DNA for Assessing Population and Spatial Distribution of Spinibarbus caldwelli in the Liuxi River. Diversity-Basel, 17 (5): (320). [PMID:] [10.3390/d17050320] |
| 41. Caihong Wang, Jiaxin Zhang, Tong Li, Jingwei Wang, Dan Xu, Qiao Ma. (2025) Synergistic antibacterial effect and mechanism of benzalkonium chloride and polymyxin B against Pseudomonas aeruginosa. Journal of Environmental Sciences, [PMID:41005913] [10.1016/j.jes.2025.03.057] |
| 42. Xi Li, Zhigang Yu, Jiaqing Ye, Xiaolong Wang, Huai Lin, Liusheng Lei, Wenjin Hu, Yi Luo. (2025) Dual Disinfectants Synergistically Drive Adaptation and Evolution toward Higher Antimicrobial Resistance and Pathogenicity in Escherichia coli. ENVIRONMENTAL SCIENCE & TECHNOLOGY, [PMID:40518995] [10.1021/acs.est.4c13071] |
| 43. Shangzai Wu, Xiaolong Gong, Guojian Ren, Linglong Yi, Qi Zhou, Qinhe Pan. (2025) Fluorescent Detection of Salicylaldehyde Based on Tb-Based Coordination Polymer. ChemPlusChem, [PMID:40536764] [10.1002/cplu.202500179] |
| 44. Xiuli Zhang, Jiahui Liu, Tongyu Zhan, Hang Yu, Qiao Ma. (2025) Environmental concentrations of benzalkonium chloride promote the horizontal transfer of extracellular antibiotic resistance genes via natural transformation. PROCESS SAFETY AND ENVIRONMENTAL PROTECTION, [PMID:] [10.1016/j.psep.2025.108003] |
| 45. Yun Yue, Liu Yu-Dan, Yang Ze-Mian, Wang Yi-Qiao, Zhang Nan, Li Wen-Jing, Gao Di, Sha Lei. (2025) Duodenal myoelectrical hyperactivity drives diabetic remission in rat models of type 2 diabetes. DIABETOLOGIA, [PMID:41454013] [10.1007/s00125-025-06642-w] |
| 46. Zhen Ren, Zimou Feng, Huaxing Liang, Zhiyang Zhu, Yi Yang, Xinglin Lu. (2026) In Situ Surfactant-Assisted Assembly for Efficient Removal of PFAS by Low-Pressure Ultrafiltration Membrane Process. ENVIRONMENTAL SCIENCE & TECHNOLOGY, [PMID:41489990] [10.1021/acs.est.5c13478] |
| 47. Shanshan Zhao, Jiadi Wang, Ying Liu, Xi Hu, Chenhao Gu, Jing Yao. (2026) Transcriptomics and Network Pharmacology Reveal Anti-Inflammatory and Anti-Oxidative Stress Mechanisms of Qingxuan Runmu Yin in Dry Eye Disease. Journal of Inflammation Research, [PMID:] [10.2147/JIR.S516780] |