Formamidine Acetate CAS 3473-63-0

1. Formamidine acetate is primarily used as an intermediate in the synthesis of active pharmaceutical ingredients, including anti-tumor compounds like 4-hydroxy-5-fluoropyrimidine CAS 3473-63-0.
2. Formamidine acetate serves as a condensing agent for the preparation of pyrimidine and imidazole heterocycles .
3. Formamidine acetate is utilized in materials science for the regulation of crystallization and stabilization in tin-based perovskite solar cells .

1. Store Formamidine acetate CAS 3473-63-0 in a tightly sealed container in a cool, dry, and well-ventilated place, as Formamidine acetate is hygroscopic and moisture-sensitive .
2. Keep Formamidine acetate strictly away from strong oxidizing agents due to incompatibility .
3. Handle Formamidine acetate using appropriate personal protective equipment including chemical-resistant gloves and safety goggles, and avoid breathing dust or vapors .

1. Isolate the spill area, wear full protective equipment including a suitable respirator, and avoid dust generation when handling solid Formamidine acetate .
2. Sweep up spilled Formamidine acetate into sealed, labeled containers for disposal according to environmental regulations .
3. Prevent spilled Formamidine acetate from entering drains or waterways, as discharge into the environment must be strictly avoided .

1. Formamidine acetate CAS 3473-63-0 causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335) with GHS signal word "Warning" .
2. Formamidine acetate may cause an allergic skin reaction (H317) and is harmful if swallowed (LD50 oral rabbit: 2510 mg/kg) .
3. Formamidine acetate has a flash point of 43°C, decomposes on heating (melting point ~158°C decomposition), and combustion produces toxic fumes including carbon oxides and nitrogen oxides .