2-Chloroaniline - CP, ≥97% , CAS No.95-51-2

CAS: 95-51-2 Cat. No.: C103932 Molecular Weight: 127.57 Beilstein Registry Number: 12597 EC Number: 202-426-4
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GRADE & PURITY CP ? Chemically Pure grade — moderate purity above technical grade but below analytical. Use for general lab reactions where ultra-low impurities aren't critical. ≥97%
Synonyms
2-CHLOROANILINE | 2-CHLORO-ANILINE | 2-CHLOROANILINE- | CHLOROANILINE, O- | Fast Yellow GC Base | 2-Chloroaniline, >=99.5% (GC) | MLS002454424 | CAS-95-51-2 | Aniline, o-chloro- | (2-chlorophenyl)amine | (2-chlorophenyl)-amine | F2190-0428 | J-509009 | NC
Storage
Protected from light,Room temperature
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Size
Status
Price
Qty
25g
C103932-25g
7

$9.90

$11.90
Save $2.00 (16.81%)
100g
C103932-100g
7

$12.90

$17.90
Save $5.00 (27.93%)
500g
C103932-500g
2

$39.90

$60.90
Save $21.00 (34.48%)
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Why this grade

CP, ≥97% CP for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Protected from light,Room temperature Ships FedEx DG Service Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 27 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
2-CHLOROANILINE | 2-CHLORO-ANILINE | 2-CHLOROANILINE- | CHLOROANILINE, O- | Fast Yellow GC Base | 2-Chloroaniline, >=99.5% (GC) | MLS002454424 | CAS-95-51-2 | Aniline, o-chloro- | (2-chlorophenyl)amine | (2-chlorophenyl)-amine | F2190-0428 | J-509009 | NC
Specifications & Purity
CP, ≥97%
Storage
Protected from light, Room temperature
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
CP
Purity
≥97%
Names and Identifiers
Pubchem Sid504751278
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504751278
Canonical SmilesC1=CC=C(C(=C1)N)Cl
IUPAC Name2-chloroaniline
InChIKeyAKCRQHGQIJBRMN-UHFFFAOYSA-N
INCHI1S/C6H6ClN/c7-5-3-1-2-4-6(5)8/h1-4H,8H2
Isomeric SMILES C1=CC=C(C(=C1)N)Cl
WGK Germany 2
RTECS BX0525000
UN Number 2019
Packing Group II
Molecular Weight 127.57
Beilstein 12597
Reaxy-Rn 606077
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=606077&ln=

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassAniline and substituted anilines
Intermediate Tree Nodes Not available
Direct ParentAniline and substituted anilines
Alternative Parents Chlorobenzenes  Aryl chlorides  Primary amines  Organopnictogen compounds  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Aniline or substituted anilines - Halobenzene - Chlorobenzene - Aryl halide - Aryl chloride - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Organochloride - Organohalogen compound - Amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aniline and substituted anilines. These are organic compounds containing an aminobenzene moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Plasmodium falciparum (966862 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.

13 results found

Lot NumberCertificate TypeDateItem
F23281115Certificate of AnalysisNov 17, 2025 C103932
J2523010Certificate of AnalysisNov 04, 2025 C103932
A1825038Certificate of AnalysisAug 18, 2025 C103932
I2102101Certificate of AnalysisJun 11, 2025 C103932
I2102102Certificate of AnalysisJun 11, 2025 C103932
I2102103Certificate of AnalysisJun 11, 2025 C103932
D2115170Certificate of AnalysisJan 09, 2025 C103932
F23281110Certificate of AnalysisJul 13, 2023 C103932
F23281111Certificate of AnalysisJul 13, 2023 C103932
F23281112Certificate of AnalysisJul 13, 2023 C103932
H1914111Certificate of AnalysisJun 13, 2023 C103932
B2306876Certificate of AnalysisFeb 11, 2023 C103932
B2306875Certificate of AnalysisFeb 10, 2023 C103932

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Chemical and Physical Properties
SensitivityLight sensitive.
Refractive Index1.5895
Flash Point(°C)97℃
Boil Point(°C)209°C
Melt Point(°C)0-3°C
Molecular Weight127.570 g/mol
XLogP31.900
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass127.019 Da
Monoisotopic Mass127.019 Da
Topological Polar Surface Area26.000 Ų
Heavy Atom Count8
Formal Charge0
Complexity74.900
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
Documents & Articles
Citations of This Product
References
1. Mian Hu, Zhibing Li, Xiaotong Huang, Meiqi Chen, Zhong-Ting Hu, Suqin Tang, I-Ming Chou, Zhiyan Pan, Qi Wang, Junliang Wang.  (2023)  Catalytic supercritical water oxidation of o-chloroaniline over Ru/rGO: Reaction variables, conversion pathways and nitrogen distribution.  CHEMOSPHERE,      [PMID:37169091] [10.1016/j.chemosphere.2023.138907]
2. Cholnam Ri, Fengxiang Li, Hyokchol Mun, Linan Liu, Jingchun Tang.  (2022)  Ball-milled Fe0/FeS2 enhanced interaction of Shewanella oneidensis MR-1 with anaerobic microbial community: Impact on 2,4-dichloronitrobenzene reduction and methane yield.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2022.139086]
3. Lihua Zhu, Huan Zhang, Huaze Zhu, Huan Fu, Anna Kroner, Zhiqing Yang, Hengqiang Ye, Bing Hui Chen, Rafael Luque.  (2022)  Controlling nanostructures of PtNiCo/C trimetallic nanocatalysts and relationship of structure-catalytic performance for selective hydrogenation of nitroarenes.  JOURNAL OF CATALYSIS,      [PMID:] [10.1016/j.jcat.2022.08.012]
4. Di Zhang, Tom Bond, Yang Pan, Mingli Li, Jiayi Luo, Rong Xiao, Wenhai Chu.  (2022)  Identification, Occurrence, and Cytotoxicity of Haloanilines: A New Class of Aromatic Nitrogenous Disinfection Byproducts in Chloraminated and Chlorinated Drinking Water.  ENVIRONMENTAL SCIENCE & TECHNOLOGY,      [PMID:35302737] [10.1021/acs.est.1c07375]
5. Ruijuan Duan, Meiling Qi.  (2022)  Separation performance of pentiptycene-functionalized triblock copolymers towards the isomers of xylenes, phenols and anilines and the complex components in essential oil.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:35278809] [10.1016/j.chroma.2022.462927]
6. Mian Hu, Xiaotong Huang, Letao Sun, Weicheng Zheng, I-Ming Chou, Libo Wu, Jinling Wan, Zhiyan Pan, Junliang Wang.  (2021)  Catalytic oxidation of o-chloroaniline in hot compressed water: Degradation behaviors and nitrogen transformation.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2021.119107]
7. Peng Zhang, Shaonan Xu, Yan Wang, Wei Zhang, Wenqing Li, Cundi Wei, Peiping Zhang, Shiding Miao.  (2021)  Fabrication of Pd/Mg2P2O7 via a Struvite-Template Way from Wastewater and Application as Chemoselective Catalyst in Hydrogenation of Nitroarenes.  CHEMISTRY-A EUROPEAN JOURNAL,  27  (41): (10666-10676).  [PMID:34009699] [10.1002/chem.202100684]
8. Shichao Xu, Xiaojing Zeng, Songlin Dai, Jing Wang, Yuxiang Chen, Jie Song, Yunfei Shi, Xian Cheng, Shengliang Liao, Zhendong Zhao.  (2020)  Turpentine Derived Secondary Amines for Sustainable Crop Protection: Synthesis, Activity Evaluation and QSAR Study.  JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,      [PMID:32975941] [10.1021/acs.jafc.0c01909]
9. Chenkai Zhou, Daohui Lin, Kun Yang.  (2020)  Isotherm nonlinearity and nonlinear partitioning of organic compounds into resin XAD-7: Insight from displacement experiments.  ENVIRONMENTAL POLLUTION,      [PMID:33254628] [10.1016/j.envpol.2020.115563]
10. Wenhao Wu, Yuan Lan, Yaxiong Zeng, Daohui Lin, Kun Yang.  (2020)  Nonlinear sorption of phenols and anilines by organobentonites: Nonlinear partition and space limitation for partitioning.  SCIENCE OF THE TOTAL ENVIRONMENT,      [PMID:32492612] [10.1016/j.scitotenv.2020.139609]
11. Yinhui Yang, Meiling Qi, Jinliang Wang.  (2020)  Tetraphenylethylene-functionalized hexaphenylbenzene with unique conformation-driven selectivity for gas chromatographic separations.  NEW JOURNAL OF CHEMISTRY,  44  (7): (2890-2896).  [PMID:] [10.1039/C9NJ05545B]
12. Wenhao Wu, Gangfen Miao, Xinxin Yan, Baoshan Xing, Kun Yang.  (2019)  Correlations and prediction of adsorption capacity and affinity of aromatic compounds on activated carbons.  SCIENCE OF THE TOTAL ENVIRONMENT,      [PMID:31837858] [10.1016/j.scitotenv.2019.135457]
13. Ren Liufen, Lin Daohui, Yang Kun.  (2019)  Correlations and nonlinear partition of nonionic organic compounds by humus-like substances humificated from rice straw.  Scientific Reports,  (1): (1-10).  [PMID:31641156] [10.1038/s41598-019-51406-3]
14. Ning Zhang, Lishen Su, Suning Man, Xiaoyun Lei, Ting Huang, Chunling Zhu, Lan Zhang, Xiaoping Wu.  (2019)  Task-specific solid-phase microextraction based on ionic liquid/polyhedral oligomeric silsesquioxane hybrid coating for sensitive analysis of polycyclic aromatic hydrocarbons by gas chromatography–mass spectrometry.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:30954244] [10.1016/j.chroma.2019.03.062]
15. Yinhui Yang, Meiling Qi, Jinliang Wang.  (2018)  Separation performance of a star-shaped truxene-based stationary phase functionalized with peripheral 3,4-ethylenedioxythiophene moieties for capillary gas chromatography.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:30297233] [10.1016/j.chroma.2018.09.058]
16. Linlin Chen, Junjie Shao, Hui Chen, Caiqin Wang, Xinyi Gao, Xiangyang Xu, Liang Zhu.  (2018)  Cathode potential regulation in a coupled bioelectrode-anaerobic sludge system for effective dechlorination of 2,4-dichloronitrobenzene.  BIORESOURCE TECHNOLOGY,      [PMID:29413921] [10.1016/j.biortech.2018.01.092]
17. Qiaochu Zhang, Meiling Qi, Jinliang Wang.  (2017)  Star-shaped oligothiophene-functionalized truxene materials as stationary phases for capillary gas chromatography.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:29061474] [10.1016/j.chroma.2017.10.028]
18. Kun Yang, Jingjing Yang, Yuan Jiang, Wenhao Wu, Daohui Lin.  (2015)  Correlations and adsorption mechanisms of aromatic compounds on a high heat temperature treated bamboo biochar.  ENVIRONMENTAL POLLUTION,      [PMID:26708759] [10.1016/j.envpol.2015.12.004]
19. Wenhao Wu, Kun Yang, Wei Chen, Wendi Wang, Jie Zhang, Daohui Lin, Baoshan Xing.  (2015)  Correlation and prediction of adsorption capacity and affinity of aromatic compounds on carbon nanotubes.  WATER RESEARCH,      [PMID:26521219] [10.1016/j.watres.2015.10.037]
20. Jun-Hui Zhang, Sheng-Ming Xie, Mei Zhang, Min Zi, Pin-Gang He, Li-Ming Yuan.  (2014)  Novel Inorganic Mesoporous Material with Chiral Nematic Structure Derived from Nanocrystalline Cellulose for High-Resolution Gas Chromatographic Separations.  ANALYTICAL CHEMISTRY,      [PMID:25188539] [10.1021/ac502073g]
21. Deyang Kong, Qing Xia, Guoqiang Liu, Qingguo Huang, Junhe Lu.  (2013)  Covalent bonding of chloroanilines to humic constituents: Pathways, kinetics, and stability.  ENVIRONMENTAL POLLUTION,      [PMID:23727567] [10.1016/j.envpol.2013.05.018]
22. Yali Yang, Jia Chen, Xiaojing Liang, Bei Liu, Kaijun Quan, Xiuhui Liu, Hongdeng Qiu.  (2024)  Adjustable chromatographic performance of silica-based mixed-mode stationary phase through the control of co-grafting amounts of imidazole and C18 chain.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:38598894] [10.1016/j.chroma.2024.464889]
23. Mengjiao Fan, Xueming Gao, Yuewen Shao, Kai Sun, Yuchen Jiang, Shu Zhang, Yi Wang, Song Hu, Jun Xiang, Xun Hu.  (2024)  Nitrogen species from Spirulina platensis derived bio-oil enhance catalytic activity of cobalt catalysts for hydrogenation.  ENERGY,      [PMID:] [10.1016/j.energy.2024.131240]
24. Zhengkai Wu, Yunning Chen, Xueying Cheng, Renquan Guan, Shuyu Chen, Yingna Guo, Qingkun Shang.  (2024)  Regulating the photoelectric effect and built-in electric field based on the electronic and spatial effects of substituents on PDIs amide sites to enhance the photocatalytic performance of PDIs.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.158805]
25. Min Hu, Wenhao Wu, Chenkai Zhou, Hongxia Zhu, Laigang Hu, Ling Jiang, Daohui Lin, Kun Yang.  (2024)  Simultaneous adsorption of fulvic acid and organic contaminants by KOH activated mesoporous biochar with large surface area.  Heliyon,      [PMID:38509967] [10.1016/j.heliyon.2024.e27055]
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