Dicyandiamide CAS 461-58-5

Product name:Dicyandiamide

CAS:461-58-5

MF:C2H4N4

MW:84.08

Density:1.4 g/mL

Melting point:208-212°C

Purity:≥99%

White crystalline powder

1. Dicyandiamide CAS 461-58-5 is used as an intermediate for guanidine salts, melamine, and various organic chemicals.
2. Dicyandiamide CAS 461-58-5 serves as a curing agent and accelerator for epoxy resins, and as a raw material for adhesives and synthetic resins .
3. Dicyandiamide CAS 461-58-5 is employed as a stabilizer for nitrocellulose, a vulcanization accelerator, and a dye fixing agent .
4. Dicyandiamide CAS 461-58-5 is used as a nitrogen fertilizer additive (nitrification inhibitor) and in pharmaceutical synthesis (e.g., metformin intermediate) .

1. Store Dicyandiamide CAS 461-58-5 in a cool, dry, and well-ventilated place, away from strong oxidants and strong acids .
2. Dicyandiamide CAS 461-58-5 should be kept in a tightly closed container at room temperature (below 15°C in a cool, dark place is recommended) .
3. For reference standard materials, Dicyandiamide CAS 461-58-5 requires long-term storage at +5°C ± 3°C .
4. Dicyandiamide CAS 461-58-5 is hygroscopic and should be protected from moisture during storage and transport .

1. Dicyandiamide CAS 461-58-5 has low acute oral toxicity, with an LD50 greater than 4000 mg/kg in mice .
2. Dicyandiamide CAS 461-58-5 may cause skin and eye irritation upon contact, and inhalation of dust may irritate the respiratory tract .
3. Dicyandiamide CAS 461-58-5 decomposes upon heating, releasing toxic gases including ammonia, and reacts with acids to release toxic hydrogen cyanide .
4. Dicyandiamide CAS 461-58-5 showed no mutagenic activity in standard bacterial reverse mutation tests (Salmonella typhimurium and E. coli) with or without metabolic activation .

1. Dicyandiamide CAS 461-58-5 is not classified as hazardous for transport under UN GHS criteria according to available ICSC data .
2. Dicyandiamide CAS 461-58-5 has a NOEL of 1000 mg/kg/day for repeat-dose toxicity and reproductive/developmental toxicity in a rat OECD screening study .
3. Dicyandiamide CAS 461-58-5 requires protective equipment including safety glasses and protective gloves when handling to avoid dust generation and contact .
4. Dicyandiamide CAS 461-58-5 spills should be swept into sealable containers, moistened first if necessary to prevent dust, and disposed of according to local regulations .

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