Description

Diethylamine Hydrochloride (CAS 660-68-4) is a high-purity organic compound with the molecular formula C₄H₁₂ClN. This white crystalline powder is the hydrochloride salt of diethylamine, widely utilized in pharmaceutical synthesis, agrochemical production, and as a reagent in organic chemistry. Its hygroscopic nature requires careful storage in a cool, dry environment to maintain stability. With a purity of ≥98% (ReagentPlus® grade), it is ideal for sensitive applications requiring precise stoichiometry. Diethylamine Hydrochloride is soluble in water and alcohol, making it versatile for reactions in polar solvents. Suitable for research, industrial, and laboratory use, this product meets stringent quality standards (including Vetec™ and ReagentPlus® certifications).

Properties

• CAS Number: 660-68-4
• Complexity: 11.1
• IUPAC Name: N-ethylethanamine;hydrochloride
• InChI: InChI=1S/C4H11N.ClH/c1-3-5-4-2;/h5H,3-4H2,1-2H3;1H
• InChI Key: HDITUCONWLWUJR-UHFFFAOYSA-N
• Exact Mass: 109.0658271
• Molecular Formula: C4H12ClN
• Molecular Weight: 109.60
• SMILES: CCNCC.Cl
• Topological: 12
• Monoisotopic Mass: 109.0658271
• Physical Description: Off-white hygroscopic solid;
• Vapor Pressure: 0.0000645 [mmHg]
• Synonyms: Diethylamine hydrochloride, Diethylammonium chloride, Ethanamine, N-ethyl-, hydrochloride, N-Ethylethanamine hydrochloride, Diethylamine, hydrochloride, DTXSID9044320, Ethanamine, N-ethyl-, hydrochloride (1:1), NSC-30602, DTXCID7024320, ZE9V3G1135, UNII-ZE9V3G1135, DIETHYLAMINE HYDROCHLORIDE [MI], EINECS 211-541-9, NSC 30602, NEthylethanamine hydrochloride, Ethanamine, Nethyl, hydrochloride, 660-68-4, N-ethylethanamine;hydrochloride, MFCD00012499, diethyl amine HCl, Diethyl amine hydrochloride, diethylamine HCl, Et2NH.HCl, NHEt2.HCl, diethylamin hydrochloride, diethylamine hydrochloric acid, N-Ethylethanaminehydrochloride, diethylamine hydrochloride salt, SCHEMBL124914, CHEMBL3188625, NSC30602, Tox21_301087, AKOS015894509, N-Ethylethanaminium chloride;Ethanamine, NCGC00257526-01, CAS-660-68-4, FD139445, LS-13024, DB-050415, D0468, EN300-19390, D78025, Diethylamine hydrochloride, ReagentPlus(R), 99%, A835320, Q1223244, Diethylammonium Chloride; N-Ethylethanamine Hydrochloride, Diethylamine hydrochloride, Vetec(TM) reagent grade, 98%

Diethylamine Hydrochloride is extensively used as an intermediate in the synthesis of pharmaceuticals, including local anesthetics and antihistamines. It serves as a catalyst or reagent in organic transformations such as reductive amination and peptide coupling. In agrochemical production, it contributes to the development of herbicides and pesticides. Researchers also employ it for buffer preparation and pH adjustment in biochemical assays. Its compatibility with polar solvents makes it valuable for solution-phase reactions.

Safety and Hazards

GHS Hazard Statements

• H315 (92.5%): Causes skin irritation [Warning Skin corrosion/irritation]
• H318 (25.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H319 (73.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (92.5%)
• Eye Dam. 1 (25.4%)
• Eye Irrit. 2A (73.1%)
• STOT SE 3 (97%)

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