Basic: CAS 461-58-5, molecular formula C₂H₄N₄, white crystalline powder
Physical properties: Soluble in hot water and alcohols; decomposes and sublimes at 207℃, stable at room temperature
Applications: Latent curing agent for epoxy resin, nitrification inhibitor for nitrogen fertilizers, raw material for melamine/guanidine salts and color-fixing resin
Safety: Low toxicity; store dust-proof; irritating fumes released upon high-temperature decomposition