- Assay (HPLC): ≥98.0%
- Loss on Drying: ≤0.5%
- Melting Point: 152–156 °C
- Single Maximum Impurity: ≤0.5%
- Total Impurity: ≤1.0%
- Residue on Ignition: ≤0.1%
- Heavy Metals: ≤10 ppm


Applications
This dimethyl substituted aminopyrimidine is an indispensable nitrogen heterocyclic fine chemical intermediate. It has active amino and methyl groups on the pyrimidine ring, capable of undergoing diazotization, substitution, condensation and coupling reactions to synthesize various pyrimidine derivatives. It is widely used as a core building block for pharmaceutical raw materials, antibacterial drugs, antiviral agents and pesticide intermediates. It is also commonly applied in the production of herbicides, fungicides, veterinary drugs and organic synthetic block compounds, playing an important role in customized fine chemical synthesis and pharmaceutical process development.
Safety Information
This pyrimidine compound possesses low acute toxicity and mild irritation to human skin, eyes and respiratory tract. Inhalation of dust may cause throat soreness, dry cough and slight respiratory discomfort. Skin contact can result in local redness, itching and mild inflammation; long-term exposure may cause skin dryness and allergic reactions in sensitive persons. Eye contact leads to stinging pain and conjunctival congestion, requiring immediate flushing with abundant clean water for at least 15 minutes. Accidental ingestion may cause nausea, stomach distension and slight gastrointestinal discomfort. All operations shall be conducted in a well-ventilated fume hood with protective gloves, safety goggles and dust mask. Keep container tightly sealed, store in cool dry and dark place, and separate from strong oxidants and strong alkalis. Waste residues and contaminated packaging should be disposed of strictly in accordance with hazardous waste regulations to prevent water and soil pollution and potential health hazards.
...