2,4-Dichloro-5,6,7,8-tetrahydroquinazoline(CAS#1127-85-1)
Hazard Symbols | Xn – Harmful |
Risk Codes | R22 – Harmful if swallowed R36 – Irritating to the eyes |
Safety Description | 26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
Introduction
2,4-Dichloro-5,6,7,8-tetrahydroquinazoline is an organic compound. It is a white crystalline solid that exists as a crystal at room temperature. The following is an introduction to some of its properties, uses, manufacturing methods and safety information:Quality:- Appearance: White crystalline solid;- Solubility: slightly soluble in water, soluble in most organic solvents;- Stability: Gradually yellows and decomposes when exposed to light.Use:- Chemical synthesis: It can also be used to synthesize other organic compounds such as complexes and condensates, among others.Method:2,4-Dichloro-5,6,7,8-tetrahydroquinazoline can be synthesized by the following steps:- Step 1: Benzoyl chloride and triethyl fluoroborate are reacted under the catalysis of aluminum chloride to form 2-fluorobenzoyl chloride;- Step 2: 2-Fluorobenzoyl chloride is reacted with 2,N-dimethyl-4-aminophenol catalyzed by aluminum chloride to produce 2,4-dichloro-5,6,7,8-tetrahydroquinazoline with a total amount of tetraacetic anhydride.Safety Information:- 2,4-Dichloro-5,6,7,8-tetrahydroquinazoline is a chemical and should be handled with caution;- Avoid inhalation, ingestion, and contact with skin, eyes, and ensure that appropriate personal protective measures are taken during operation;- When used or stored, attention should be paid to its flammability and oxidation;- Use in a well-ventilated environment to avoid inhaling harmful gases or vapors.