Amines REACH

Dicyclohexylamine

CAS Number
101-83-7
EC Number
202-980-7
Abbreviation
DCHA

What is Dicyclohexylamine?

Dicyclohexylamine (CAS 101-83-7), commonly abbreviated as DCHA, is a secondary aliphatic amine used as a chemical intermediate, catalyst, and neutralizing agent.

Where is Dicyclohexylamine used?

  • Pharmaceutical manufacturing: forms stable salt complexes with acidic active ingredients, improving crystallization and purification
  • Rubber and polymer production: vulcanization accelerator precursor and corrosion inhibitor component in metalworking and vapor-phase protection formulations
  • Organic synthesis and catalysis: base catalyst for condensation and esterification reactions
  • Flavor chemistry: contributes to fragrance and flavor profiles in FEMA-regulated approved formulations
  • It serves as a building block for downstream synthesis processes.

Good to know: Buyers should confirm specification sheets against their synthesis or regulatory requirements, as purity thresholds vary by application. Adherence to USP or EP standards may be necessary depending on the final use case.

Commercial specifications

  • Standard packaging includes drum and IBC options for industrial scale

Other Names (Synonyms)

N-cyclohexylcyclohexanamine|Cyclohexanamine, N-cyclohexyl-|DCHA|N,N-Dicyclohexylamine|N-Cyclohexyl-cyclohexylamine|1A93RJW924|Bis(cyclohexyl)amine.

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What are the physical properties of Dicyclohexylamine?

Melting Point -0.1 °C
Boiling Point 255.8 °C @ Press: 760 Torr
Density 0.9104 g/cm³ @ Temp: 25 °C
Flash Point 205 °F
Appearance Colorless liquid
Color White to off-white
Odor amine odor
Form Crystalline Powder
Water Solubility 1 g/L (20 ºC)
Vapor Pressure 12 mm Hg ( 37.7 °C)
Refractive Index n 20/D 1.4842(lit.)
pH 11 (1g/l, H2O, 20℃)
Log P 2.724 at 25℃

How is Dicyclohexylamine classified and handled safely? Learn More

Danger
GHS05· Corrosive GHS07· Irritant GHS09· Environmental Hazard GHS06· Toxic GHS08· Health Hazard

Hazard Statements

H301 Toxic if swallowed
H302 Harmful if swallowed
H311 Toxic in contact with skin
H314 Causes severe skin burns and eye damage

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.

Which trade and regulatory codes apply to Dicyclohexylamine?

HS Code 29213000
UN Number 2565
ADR Class 8
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany) 2
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