Amines REACH

Dicyandiamide

CAS Number
461-58-5
EC Number
207-312-8
Chemical Formula
C2H4N4
Molecular Weight
84.08 g/mol
Abbreviation
DICY

Description

Dicyandiamide (CAS 461-58-5), commonly abbreviated as DICY and also known as cyanoguanidine, is a crystalline solid used as a latent curing agent and cross-linking compound across multiple industrial sectors. Its low reactivity at ambient temperatures makes it practical for formulating one-component systems with extended shelf life. In epoxy resin systems, DICY functions as a latent hardener for structural adhesives.

It is also utilized in powder coatings and printed circuit board laminates, activating only at elevated cure temperatures. Textile and paper processors use it to produce crease-resistant and wet-strength treatments. In these applications, it reacts with other finishing agents to build durable cross-linked networks on fiber substrates. In leather processing, it acts as a retanning auxiliary that improves fiber structure and fullness.

Flame-retardant formulations for plastics and coatings also incorporate DICY as a reactive nitrogen-containing component. This specific chemical property contributes to char formation during combustion processes. Dicyandiamide is supplied as a white crystalline powder in a range of particle sizes. Fine-milled grades are available for epoxy applications requiring uniform dispersion and high performance.

Standard commercial grades include technical and industrial specifications for various uses. Purified grades meeting defined melting point and assay thresholds are available for electronics and specialty coatings. Packaging typically ranges from 25 kg bags to bulk quantities to meet diverse logistical needs. These products are manufactured to meet rigorous industrial quality standards for consistency and reliability.

Other Names (Synonyms)

N-Cyanoguanidine|1-Cyanoguanidine|Pyroset DO|Epicure DICY 7|Guanidine, N-cyano-|Guanidine, cyano-|DICY

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 209.5 °C
Boiling Point 144.35°C (rough estimate)
Density 1.400 g/cm³ @ Temp: 25 °C
Appearance white powder
Color White
Form Crystalline Powder
Water Solubility 32 g/L (20 ºC)
Vapor Pressure 0.001Pa at 20℃
Refractive Index 1.6260 (estimate)
Log P -1 at 20℃

Safety & Handling (Learn More)

Warning
GHS07· Irritant

Hazard Statements

H302 Harmful if swallowed
H312 Harmful in contact with skin
H332 Harmful if inhaled

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P317 Get emergency medical help.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P501 Dispose of contents/container in accordance with local regulations.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P362+P364 Take off contaminated clothing and wash it before reuse.

Trade & Regulatory

HS Code 29262000
UN Number 2811
ADR Class 6.1
Packing Group III
WGK (Germany) 1

Documentation

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