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Dytek® DCH-99
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Producer: 
INVISTA
Brand: 
Dytek
DYTEK® 1,2-Diaminocyclohexane (DCH-99) is a cyclic aliphatic diamine used in a variety of applications, including urethanes and epoxies. DYTEK® DCH-99 amine is a mixture of cis- and trans-isomers and a clear liquid at room temperature with an amine-like odor.

Dytek® DCH-99

Producer: 
INVISTA
Brand: 
Dytek
DYTEK® 1,2-Diaminocyclohexane (DCH-99) is a cyclic aliphatic diamine used in a variety of applications, including urethanes and epoxies. DYTEK® DCH-99 amine is a mixture of cis- and trans-isomers and a clear liquid at room temperature with an amine-like odor.
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Experts (2)

Knowde Enhanced TDS

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Applications & Uses

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Fluids & Lubricants Type
Epoxy Curatives

Epoxy resins cured with Dytek® amines have excellent properties for use in coatings, civil engineering, adhesives, marine, and composite applications. 

Features Typical Applications
  • Low viscosity vs. IPDA
  • Chemical resistance
  • Highest Tg of all Dytek® Amines
  • Tank linings with chemical exposure
  • High temperature applications
  • Wind turbine blades
  • High-performance composite parts

 

Applications

Chelating Agent

  • Oilfield
  • Textiles
  • Water treatment
  • Detergents

Epoxy Curing Agents

  • Composites
  • Flooring/paving

Herbicide intermediates

Polyamide Resin

  • Adhesives
  • Coatings
  • Films
  • Plastics
  • Inks

Polyurethane/Polyurea

  • Extenders
  • Catalysts

Scale/Corrosion Inhibitors

Properties

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Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
1,2-Diaminocyclohexane Content99wt%
2-Methylpentamethylenediamine Content0.1wt%
Amine Value967mgKOH/g
Color15APHA
Critical Pressure (Pc)43.4atm
Critical Temperature (Tc)409.2°C
Critical Vapourization (Vc)361.5mL
Flash Point75 (167)°C (°F)Closed Cup
Hansen Solubility Parameters (δ)11
Hansen Solubility Parameters (δd)8.6
Hansen Solubility Parameters (δH)5.8
Hansen Solubility Parameters (δp)3.5
Heat of Vaporization (at 185°C)106cal/g
Hexamethylenediamine Content0.1wt%
Hydrogen Equivalent Weight28.5
Melting Point (Cis)2 (36)°C (°F)
Melting Point (Trans)15 (59)°C (°F)
Molecular Weight114
pH (5% Aqueous Solution)12
pKa1 (at 30°C (86°F))9.6
pKa2 (at 30°C (86°F))6.1
Refractive Index (cis, n25 D)1.487
Specific Gravity (at 20°C (68°F))0.94
Viscosity (at 21°C (70°F))7.2cP
Volatiles Content100%
Water Content0.1wt%
Tg, (DSC, 2nd run)176°C
HDT94°C
Shore D Hardness86
Izod Impact Strength Unnotched5.9ft-lbf/in2
Charpy Impact Strength4.8ft-lbf/in2
Flexural Strength (X 103)12.8psi
Elasticity Modulus (X 103)439psi
Tensile Strength (X 103)4.4psi
Elongation at Break2.4%
Vapor Pressure (at 20°C)0.387mm Hg
Appearance
Clear and free of suspended materials
Odor
Amine like
Miscible In
Water

Technical Details & Test Data

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Molecular Structure

Aspartic Esters

Documents (2)

Name
Type
Dytek® DCH-99 Technical Data Sheet
Technical Data Sheet
Dytek® DCH-99 Information Sheet
Safety Data Sheet