Description

2-Chloroaniline (CAS No. 95-51-2) is a high-purity aromatic amine with the molecular formula C₆H₆ClN, widely used in organic synthesis and industrial applications. This compound, also known as o-Chloroaniline or 2-Chlorobenzenamine, is a clear to pale yellow liquid with a characteristic amine odor. It is an essential intermediate in the production of dyes, agrochemicals, and pharmaceuticals due to its reactive amino and chloro functional groups. Our 2-Chloroaniline is rigorously tested for purity, ensuring optimal performance in your research or manufacturing processes. Proper handling is required as it is toxic and may cause skin/eye irritation.

Properties

• CAS Number: 95-51-2
• Complexity: 74.9
• IUPAC Name: 2-chloroaniline
• InChI: InChI=1S/C6H6ClN/c7-5-3-1-2-4-6(5)8/h1-4H,8H2
• InChI Key: AKCRQHGQIJBRMN-UHFFFAOYSA-N
• LogP: log Kow = 1.90
• Exact Mass: 127.0188769
• Molecular Formula: C6H6ClN
• Molecular Weight: 127.57
• SMILES: C1=CC=C(C(=C1)N)Cl
• Topological: 26
• Monoisotopic Mass: 127.0188769
• Physical Description: O-chloroaniline is a clear amber liquid with an amine odor. Occurs in both alpha and beta forms.
• Color/Form: Amber liquid
• Odor: Characteristic sweet odor
• Boiling Point: 406 to 410 °F at 760 mmHg
• Melting Point: 28.5 °F
• Flash Point: 208 °F
• Solubility: less than 1 mg/mL at 68 °F
• Density: 1.213 at 68 °F – Denser than water; will sink
• Vapor Density: 4.4 – Heavier than air; will sink
• Vapor Pressure: 1 mmHg at 115.3 °F ; 5 mmHg at 162.1 °F; 760 mmHg at 407.8 °F
• Henry’s Law Constant: Henry’s Law constant= 5.39X10-6 /mol at 25 °C /Estimated/
• Stability/Shelf Life: Darkens on exposure to air.
• Autoignition Temperature: >/=500 °C
• Viscosity: 2.9157 cP at 20 °C
• Heat of Vaporization: 13.565 kcal/mol at 25 °C; 10.60 kcal/mol at boiling point
• Surface Tension: 43.66 dynes/cm at 20 °C
• Refractive Index: Index of refraction = 1.5895 at 20 °C/D
• Dissociation Constants: pKa = 2.661 at 25 °C
• Synonyms: 2-CHLOROANILINE, o-Chloroaniline, 2-Chlorobenzenamine, Benzenamine, 2-chloro-, o-Chloroaminobenzene, NSC 6183, CCRIS 2880, 2-CHLORO-ANILINE, HSDB 2045, EINECS 202-426-4, UNII-G14I494T2F, Azoic diazo component 44, base, DTXSID2021810, AI3-16321, G14I494T2F, NSC-6183, 2-CHLOROANILINE-, Benzeneamine, 2-chloro-, CHLOROANILINE, O-, O-CHLOROANILINE [MI], DTXCID001810, 2-CHLOROANILINE [HSDB], EC 202-426-4, oChloraniline, oChloroaniline, 2chloroaniline, Aniline, ochloro, 2Chlorobenzenamine, 2Chlorophenylamine, 2-Chlorbenzolamin, oAminochlorobenzene, oChloroaminobenzene, 2-Chloraminobenzol, 2-Chlorbenzenamine, 2-Aminochlorobenzol, 2-chloroaminobenzene, 2-chlorobenzeneamine, 1Amino2chlorobenzene, Benzenamine, 2chloro, 1-Amino-2-chlorbenzol, 2-Chlor-1-aminobenzol, 202-426-4, akcrqhgqijbrmn-uhfffaoysa-n, inchi=1/c6h6cln/c7-5-3-1-2-4-6(5)8/h1-4h,8h, un2019, 95-51-2, 2-Chlorophenylamine, 1-Amino-2-chlorobenzene, o-Aminochlorobenzene, Aniline, o-chloro-, Fast Yellow GC Base, o-Chloraniline, MFCD00007656, Aniline, 2-chloro-, 2-Amino-1-chlorobenzene, Benzenamine, chloro-, 6-chloroaniline, o-chloro-aniline, Codeine TMS, 2-Chloro aniline, 2-Chloro-phenylamine, 27134-26-5, (2-chlorophenyl)amine, 1,2-aminochlorobenzene, (2-chlorophenyl)-amine, WLN: ZR BG, SCHEMBL25495, SCHEMBL55472, MLS002454424, BIDD:GT0224, SCHEMBL195702, SCHEMBL948740, CHEMBL389885, SCHEMBL1028461, SCHEMBL1029285, SCHEMBL5718450, NSC6183, HMS3039D15, STR00033, Tox21_200802, SBB040494, STL168885, 2-Chloroaniline, >=99.5% (GC), AKOS000119118, CAS-95-51-2, NCGC00091121-01, NCGC00091121-02, NCGC00258356-01, SMR001372017, DB-020908, DS-009850, NS00010859, ST45255279, 2-Chloroaniline, technical, >=98.0% (GC), EN300-17987, 2-Chloroaniline 100 microg/mL in Acetonitrile, A15103, 2-Chloroaniline, PESTANAL(R), analytical standard, Q2294431, F2190-0428

Application

2-Chloroaniline is primarily used as a key intermediate in the synthesis of azo dyes and pigments, contributing to vibrant colorants for textiles and plastics. It also serves as a precursor in the manufacturing of herbicides, fungicides, and pharmaceutical compounds. Researchers utilize this chemical in organic reactions, such as diazotization and coupling, to develop novel aromatic derivatives.

Safety and Hazards

GHS Hazard Statements

• H302: Harmful if swallowed [Warning Acute toxicity, oral]
• H311: Toxic in contact with skin [Danger Acute toxicity, dermal]
• H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
• H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
• H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
• H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
• H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
• H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
• H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P203, P260, P261, P262, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P308+P316, P316, P317, P318, P319, P321, P330, P337+P317, P361+P364, P391, P405, and P501

Hazard Classes and Categories

• Acute toxicity – Category 4
• Acute toxicity – Category 3
• Acute toxicity – Category 4
• Serious eye damage/eye irritation – Category 2B
• Germ cell mutagenicity – Category 2
• Reproductive toxicity – Category 2
• Specific target organ toxicity – Single exposure – Category 1
• Specific target organ toxicity – Repeated exposure – Category 1 , Category 2
• Hazardous to the aquatic environment – Category 1
• Hazardous to the aquatic environment – Category 1

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.