Amines REACH

Diethylamine hydrochloride

CAS Number
660-68-4
EC Number
211-541-9
Chemical Formula
C4H11N.ClH
Molecular Weight
109.60 g/mol

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.

Other Names (Synonyms)

Dietdylamine hcl|n-ethylethanamine;hydrochloride|Diethylammonium chloride

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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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℃

Documentation

Safety & Handling Learn More

Danger
GHS05· Corrosive GHS07· Irritant

Hazard Statements

H315 Causes skin irritation
H318 Causes serious eye damage
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

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
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