Wuhan LANDMARK Industrial Co Ltd.

Wuhan, United States

Storage: Store in an airtight container and in a cool, dry place. Storage areas must be kept away from oxidants.

Synthesis method: By chlorinating and acylation of cinnamic acid. Cinnamoyl chloride was distilled from the crude product by reduced pressure using cinnamic acid and dichlorosulfoxide at 60-70 for 3-4 hours and the crude product was obtained by vacuum distillation. The cinnamoyl chloride was slowly added to the concentrated ammonia water below30and stirred for 1 hour at the temperature below 30 24h, pour in a large amount of distilled water, centrifugally shake dry, wash, re-crystallize with dilute ethanol to get finished product.

Physical and chemical properties: white solid, slightly soluble in hot water, soluble in ethanol and ether.

We have a static QA&QC system and all products are in line with the USP32 standard as well as enterprise internal control standard.Our QC department will do sampling and carry out strict tests through HPLC and GC. Only when the product is passed through the strict test, they are allowed to be dispatched out. And our company has been manufacturing Beta-Bromostyrene for years with high reputation.