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Dicyandiamide CAS#461-58-5

Dicyandiamide CAS#461-58-5

Basic Information

Excellent Chemical Stability and Safety: Dicyandiamide is non-flammable and remains stable in dry conditions, ensuring safe handling and storage.


Good Solubility in Polar Solvents: It is readily soluble in water, alcohol, ethylene glycol, and dimethylformamide, allowing flexibility in various formulations.


Effective Latent Curing Agent: As an early-developed heat-curing latent curing agent, it remains stable at room temperature and activates efficiently upon heating.


Efficient Thermal Reactivity: It dissolves and rapidly cures near its melting point, providing reliable performance in epoxy resin systems.

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product description

Product Description of Dicyandiamide CAS#461-58-5

Dicyandiamide (DICY/DCD) is a cyanamide dimer and guanidine cyano derivative, appearing as a white crystalline powder. It dissolves in water, alcohol, ethylene glycol and DMF, but is nearly insoluble in ether and benzene. It is non-flammable and stable in dry state.

As one of the earliest latent thermal curing agents, DICY remains solid and insoluble in epoxy resin at room temperature, dispersing as fine particles. It dissolves upon heating and cures rapidly near its melting point.

Its aqueous solution decomposes slowly above 80 °C and releases amonia. When heated to melting point, DICY melts with strong exotherm, forming melamine, cyanuric acid and other by-products.


Product Application of Dicyandiamide CAS#461-58-5

Dicyandiamide has four major applications:(1) Raw material for guanidine salts and melamine. It reacts with acids to produce various guanidine salts. Its reaction product with phenyl nitrile, benzyl melamine, serves as an intermediate for coatings, laminates and molding powders.(2) Dye fixing agent. Dicyandiamide-formaldehyde resin can be used as a dye fixing agent.(3) Fertilizer additive. Dicyandiamide compound fertilizer inhibits nitrifying bacteria, regulates soil nitrogen conversion, reduces nitrogen loss and improves fertilizer efficiency.

Product Information

Parameters


Melting point208-211 °C (lit.)
Boiling point144.35°C (rough estimate)
density1.4
bulk density400kg/m3
vapor pressure0.001Pa at 20℃
refractive index1.6260 (estimate)
storage temp.2-8°C
solubilityH2O: 0.1 g/mL, clear
pka0.73±0.70(Predicted)
formCrystalline Powder
colorWhite
biological sourcerabbit
Water Solubility32 g/L (20 ºC)
Merck143092
BRN605637
Stability:Stable. Incompatible with strong acids, strong oxidizing agents, strong bases.
InChIKeyQGBSISYHAICWAH-UHFFFAOYSA-N
LogP-1 at 20℃
CAS DataBase Reference461-58-5(CAS DataBase Reference)
NIST Chemistry ReferenceDicyandiamide(461-58-5)
EPA Substance Registry SystemDicyanodiamide (461-58-5)

Safety Information


Hazard CodesXn,T
Risk Statements20/21/22-43-36/38-25
Safety Statements22-24/25-45-36-3
RIDADRUN 2811 6.1 / PGIII
WGK Germany1
RTECSME9950000
TSCAYes
HS Code29262000
Hazardous Substances Data461-58-5(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 2000 mg/kg



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