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Dytek® HMD
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Dytek® HMD

DYTEK® HMD (hexamethylene diamine) is a highly pure (>99.9%) aliphatic diamine. DYTEK® HMD is used in the production of Nylon polymers, isocyanates, polyamide resins and adhesives. Other applications include water treatment, UV stabilizers, scale and corrosion inhibitors, and petroleum additives. This product is available as an anhydrous that is solid at room temperature and can be shipped as a warm liquid or diluted aqueous solution.
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Identification & Functionality

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Applications & Uses

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Applications
  • Isocyanates
  • Epoxy curing agents
  • Petroleum additives
  • Polyamide resins, adhesives, inks, fibers
  • Scale and corrosion inhibitors
  • Water treatment chemicals

Properties

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Compatible Resins & Binders
Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
1,2-Diaminocyclohexane Content4mpm-
2-Aminomethylcyclopentylamine Content19mpm-
2-Methylpentamethylenediamine Content3mpm-
Boiling Point (100wt%)204°C-
Color2APHA-
Density (at 25°C, 100wt%)7.09lb/gal-
Density (at 25°C, 70wt%)7.74lb/gal-
Density (at 25°C, 85wt%)7.47lb/gal-
Density (at 25°C, 90wt%)7.38lb/gal-
Flash Point (100wt%)85°CCOC
Flash Point (70wt%)116°CCOC
Flash Point (85wt%)107°CCOC
Flash Point (90wt%)102°CCOC
Freezing Point (100wt%)41°C-
Freezing Point (70wt%)6°C-
Freezing Point (85wt%)24°C-
Freezing Point (90wt%)30°C-
Heat of Solution in Water (at 43.8°C, 100% HMD)8.2kcal/mol-
Hexamethylenediamine Content60-100wt%-
Initial Boiling Point (70wt%)111.5°C-
Initial Boiling Point (85wt%)122.3°C-
Initial Boiling Point (90wt%)129.5°C-
Molecular Weight116.2--
pH (5wt% aqueous)12.4--
pKa1 (at 25°C)11.02--
pKa2 (at 25°C)10.24--
Polarographically Reducible Impurities8mpm-
Solubility in Water (at 30°C, 100% HMD)960g/100 g-
Specific Gravity (at 25°C, 100wt%)0.854--
Specific Gravity (at 25°C, 70wt%)0.929--
Specific Gravity (at 25°C, 85wt%)0.9--
Specific Gravity (at 25°C, 90wt%)0.889--
Vapor Pressure (at 60°C, 100% HMD)3mmHg-
Water Content0.1-40wt%-

Packaging & Availability

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Shipping Information
DYTEK® HMD Concentration (wt %)
Grade 60*, 70**, 80 85 85-95 100
Shipping Name Hexamethylenediamine Solution Hexamethylenediamine Solid
DOT/IMO Label Corrosive Corrosive
UN Number 1783 2280
Packaging Group II III
Hazard Class 8 8
Form Liquid Solid at 20°C; shipped (bulk) as a warm liquid
Shipping Weights, lb, net
Tank Car 175,000 175,000 175,000 175,000
Tank Truck 45,000 45,000 45,000 45,000
Drum 400 lb/181.44 kg 400 lb/181.44 kg Not Available 380 lb/172.37 kg

* Only available in Europe.
** Not available in Europe.

Most Viewed Documents

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Document Name
Type
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Dytek® HMD Safety Data Sheet
Safety Data Sheet
Dytek® HMD
Safety Data Sheet
Products: Dytek® HMD
Dytek® HMD Technical Data Sheet
Technical Data Sheet
Dytek® HMD
Technical Data Sheet
Products: Dytek® HMD
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