Diethylamine hydrochloride
Description
Diethylamine hydrochloride (CAS 660-68-4), also referred to as Diethylamine HCl, is the stable salt form of diethylamine produced by neutralization with hydrochloric acid.
It functions primarily as a chemical intermediate and preservation agent across pharmaceutical, personal care, and water treatment applications. In pharmaceutical manufacturing, it serves as a key intermediate.
This compound is used in the synthesis of active ingredients, particularly where a controlled, non-volatile amine source is required. Personal care formulators incorporate it into preservation systems.
It is used in pH-adjusted formulations where amine reactivity must be moderated for product stability. Water treatment programs use it as a biocide precursor and process chemical to control microbial growth.
Its role as a stable amine salt also makes it suitable for use in buffer preparation and analytical reagent applications. Diethylamine hydrochloride is supplied as a white crystalline powder.
It is available in technical and pharmaceutical grades, with pharmaceutical-grade material typically meeting USP or Ph. Eur. specifications for industrial use.
Packaging is offered in standard drum and bulk quantities to support both laboratory-scale and industrial procurement requirements. This ensures consistent supply for various manufacturing needs.
Physical Properties
| Melting Point | 228.5 °C |
| Boiling Point | 330 °C |
| Density | 1.0 g/mL at 20 °C |
| Flash Point | 320-330°C |
| Appearance | white to off-white crystals or crystalline powder |
| Color | White to off-white |
| Form | Liquid |
| Water Solubility | soluble |
| Vapor Pressure | <0.00001 hPa (20 °C) |
| Refractive Index | 1.5320 (estimate) |
| pH | 4.5-6.5 (10g/l, H2O, 20℃) |
| Log P | -1.3 at 20℃ |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 29211200 |
| UN Number | 1993 |
| ADR Class | 3 |
| Packing Group | III |
| Storage Class | 6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials |
| WGK (Germany) | 3 |
Documentation
Other Names
Dietdylamine hcl|n-ethylethanamine;hydrochloride|Diethylammonium chloride
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