DYTEK® HMI is a clear, colorless liquid with an ammonia-like odor.

Chemical Name: Hexamethyleneimine

CAS Number: 111-49-9

Functions: Corrosion Inhibitor

Chemical Family: Amines

Synonyms: Azacycloheptane, Azepane, Hexahydro-1H-azepine, Hexamethylenimine

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Identification & Functionality

Chemical Family
Chemical Name
Fluids & Lubricants Functions
CAS No.
111-49-9
EC No.
203-875-9
Molecular Structure

INVISTA Dytek HMI Molecular Structure

Applications & Uses

Markets
Applications

Intermediate for:

  • Pharmaceuticals
  • Agricultural chemicals
  • Zeolite manufacture
  • Dyes
  • Inks
  • Rubber chemicals
  • Textile chemicals
  • Corrosion inhibitors
  • Ore flotation

Properties

Physical Form
Appearance
Clear colorless liquid
Odor
Ammonia like
Typical Properties
ValueUnitsTest Method / Conditions
Amine Value560
Boiling Point (760 mmHg)138°C
Cyclohexylamine Content0.38wt%
Flash Point22 (71.6)°C (°F)Closed Cup
Heat of Vaporization9.3kcal/mol
Hexamethylenediamine Content0.02wt%
Hexamethyleneimine Content99.5wt%
Melting Point–37 (-34.6)°C (°F)
Molecular Weight99.177g/mol
n-Hexylamine Content0.02wt%
Refractive Index (at 20°C (68°F))1.463
Specific Gravity (25°C (77°F))0.88
Vapor Pressure (25°C (77°F))9 (48)mmHg
Water Content0.07wt%

Technical Details & Test Data

Vapor Pressure of Dytek® HMI

INVISTA Dytek HMI Vapor Pressure of Dytek HMI

Packaging & Availability

Packaging Information
Railcar Net Weight : 150,000/68,040 (lbs/kg)
Tank truck Net Weight : 45,000/20,400 (lbs/kg)
ISO containers Net Weight : 40,000/18,000 (lbs/kg)
Drums Net Weight : 400/181 (lbs/kg)
EU Drums Net Weight : 180 kg (lbs/kg)
Shipping
DOT/IMO Proper Shipping Name Hexamethyleneimine
Hazard Class 3
UN Number 2493
Packaging Group II
DOT/IMO Label Flammable Liquid, Corrosive
Subsidiary Hazard Class

Corrosive