Amines REACH

Diethylamine hydrochloride

CAS Number
660-68-4
EC Number
211-541-9

What is Diethylamine hydrochloride?

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.

Where is Diethylamine hydrochloride used?

  • Pharmaceutical manufacturing: key intermediate
  • Synthesis of active ingredients where a controlled, non-volatile amine source is required
  • Personal care: preservation systems
  • pH-adjusted formulations where amine reactivity must be moderated for product stability
  • Water treatment: biocide precursor and process chemical to control microbial growth
  • Buffer preparation and analytical reagent applications
  • It is also used in the synthesis of active ingredients.

Commercial specifications

  • Packaging in standard drum and bulk quantities

Other Names (Synonyms)

Dietdylamine hcl|n-ethylethanamine;hydrochloride|Diethylammonium chloride

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What are the physical properties of Diethylamine hydrochloride?

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℃

How is Diethylamine hydrochloride classified and handled safely? 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.

Which trade and regulatory codes apply to Diethylamine hydrochloride?

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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