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Cyanamide, cyano-, compd. with cyclohexanamine (1:1)
1. Basic Information
Name: Cyanamide, cyano-, compd. with cyclohexanamine (1:1)
Alias: Dicyandiamide cyclohexylamine salt, Cyclohexanaminium dicyanamide
CAS No.: 142415-06-3
Molecular Formula: C8H16N4
Molecular Weight: 168.24
Category: Curing accelerator for epoxy resin, latent hardener, organic synthetic intermediate, electronic packaging raw material
2. Physical and Chemical Properties
Physical Properties
- Appearance: White crystalline powder
- Odor: Faint amine odor
- Solubility: Soluble in methanol, ethanol, DMF; slightly soluble in hot water; insoluble in ether, aliphatic hydrocarbons
- Melting Point: 122–126 °C
- Predicted Density: 1.08 g/cm3
- Hygroscopy: Slightly hygroscopic under high humidity
- Aqueous property: Weakly alkaline aqueous solution, easy to hydrolyze under heating
Chemical Properties
- Molecular structure: 1:1 ionic complex formed by dicyanamide anion and cyclohexylamine cation, contains multiple cyano active groups
- Curing characteristic: Latent accelerator for epoxy resin; stable at room temperature, rapidly initiates crosslinking curing under heating
- Hydrolysis performance: Cyano groups slowly hydrolyze in hot water to generate ammonia and carbon dioxide
- Photostability: Moderate light resistance; long-term strong light slightly yellows
- Thermal stability: Stable below 100 °C; above melting point decomposes to release toxic cyanide and amine fumes
- Compatibility: Good compatibility with epoxy monomers, phenolic resins; incompatible with strong oxidants, strong acid
3. Main Application Fields
1. Epoxy Resin Latent Curing Accelerator (Core Application)
Used for single-component epoxy adhesive, electronic potting glue, powder coating; extends storage life at room temperature, fast curing under medium-high temperature
2. Electronic Packaging Material Additive
Curing auxiliary for chip encapsulation epoxy to improve bonding strength and heat resistance
3. Fine Chemical Synthetic Intermediate
Precursor for guanidine, heterocyclic nitrogen-containing compounds, pesticide intermediates
4. Coating Crosslinking Agent Auxiliary
Adjust curing speed of outdoor weather-resistant epoxy powder coatings
4. Quality Specification Table
| Test Item | Standard Specification |
| CAS Number | 142415-06-3 |
| Molecular Formula | C8H16N4 |
| Appearance | Uniform white crystal without yellow discoloration |
| HPLC Purity | Electronic Grade ≥99.0%, Industrial Grade ≥98.0% |
| Melting Point | 122–126 °C |
| Water Content (KF) | ≤0.20% |
| Free Cyclohexylamine | ≤0.15% |
| Heavy Metals (Pb) | ≤10 ppm |
| Packaging | Light-proof aluminum foil vacuum bag; bulk 25kg PE lined fiber drum |
| Storage Condition | Hermetically sealed cool dry warehouse below 25 °C, light shielding, isolated from humid air, acid and oxidants |
| Transportation Requirement | Toxic nitrogen-containing crystalline powder, general hazardous chemical transport, separated from food supplies |
| Shelf Life | 24 months under nitrogen sealed packaging |
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