Polyethylenimine(PEI) is a water-soluble polymer. The concentration in water of commercial products is usually 20% to 50%. PEI is polymerized from ethylene imide monomer. It is a cationic polymer t...
Sun protection is a must-have for modern women throughout the year. Sun protection can not only reduce the damage of ultraviolet rays on the skin, but also avoid skin aging and related skin disease...
Summer has arrived, and the most confusing thing for everyone is the preservation of food. How to ensure the freshness of food has become a hot topic nowadays. So how should we store fresh fruits a...
N-Phenyl-1-naphthylamine CAS 90-30-2 is a colorless flaky crystal that turns light gray or brown when exposed to air or sunlight. N-Phenyl-1-naphthylamine is a commonly used antioxidant in natural ...
With the progress of society and the improvement of people’s living standards, people pay more and more attention to the maintenance of their skin and their own image. The choice of cosmetics...
1-Methylcyclopropene (abbreviated as 1-MCP) CAS 3100-04-7, is a small molecule compound with a cyclic structure and is widely used in the field of agricultural product preservation due to its uniqu...
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