4-Chloro-2-methylthiopyrimidine CAS 49844-90-8

1. 4-Chloro-2-methylthiopyrimidine is a key heterocyclic building block used in the synthesis of various pharmaceutical compounds, including novel 2-substituted pyrimidines with potential antibacterial and antiproliferative activities .
2. 4-Chloro-2-methylthiopyrimidine CAS 49844-90-8 is employed in the preparation of fungicidal compounds and serves as a reactive pyrimidine intermediate for introducing diverse substituents via nucleophilic aromatic substitution reactions .
3. 4-Chloro-2-methylthiopyrimidine is utilized in the synthesis of N-(thiazol-2-yl)pyrimidin-4-amine derivatives as inhibitors of anaplastic lymphoma kinase (ALK) for cancer research .
4. 4-Chloro-2-methylthiopyrimidine CAS 49844-90-8 is a valuable intermediate in agrochemical development, particularly for the synthesis of pyrimidine-based herbicides and crop protection agents .

1. 4-Chloro-2-methylthiopyrimidine must be stored in a tightly sealed container in a cool, dry, and well-ventilated environment, protected from light and moisture; recommended storage at 2-8°C or at room temperature in a cool, dark place .
2. 4-Chloro-2-methylthiopyrimidine CAS 49844-90-8 is classified with GHS hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation), with signal word "Warning" .
3. Personnel must wear chemical-resistant gloves, safety goggles with side-shields, and protective clothing when handling 4-Chloro-2-methylthiopyrimidine, ensuring adequate ventilation in work areas and avoiding formation of dust and aerosols .
4. Keep 4-Chloro-2-methylthiopyrimidine CAS 49844-90-8 away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases to prevent decomposition; wash thoroughly after handling .

1. Isolate the spill area, ensure adequate ventilation, and wear full personal protective equipment including chemical-resistant gloves, safety goggles, and suitable dust respirator when 4-Chloro-2-methylthiopyrimidine is released .
2. Collect 4-Chloro-2-methylthiopyrimidine CAS 49844-90-8 by sweeping or vacuuming without creating dust using non-sparking tools, and place into suitable closed containers for disposal .
3. Avoid creating dust clouds during cleanup to prevent respiratory exposure; prevent 4-Chloro-2-methylthiopyrimidine from entering drains or water courses .
4. Dispose of collected material according to local, state, and federal environmental regulations through licensed chemical destruction or controlled incineration .

1. 4-Chloro-2-methylthiopyrimidine is not classified as highly flammable but may decompose under fire conditions, emitting toxic fumes including carbon monoxide, carbon dioxide, nitrogen oxides (NOx), hydrogen chloride, and sulfur oxides .
2. Use water spray, dry chemical powder, carbon dioxide, or alcohol-resistant foam to extinguish fires involving the product; do NOT use a direct water jet as 4-Chloro-2-methylthiopyrimidine CAS 49844-90-8 may scatter burning material .
3. Firefighters should wear self-contained breathing apparatus in pressure-demand, MSHA/NIOSH approved, and full protective gear when handling burning 4-Chloro-2-methylthiopyrimidine due to hazardous decomposition gases generated by thermal decomposition .
4. During combustion, may emit irritant and toxic fumes; contain fire runoff to prevent environmental contamination .