波多野结衣15p超碰_亚洲国产精品尤物yu在线观看_日本欧美性爱网一区_亚洲一级特黄毛片性情网_黄色短视频软件_午夜探花在线_久久中文日韩影院_国产免费又爽又黄又刺激的视频_能免费观看的AV网站_337p日本大胆欧美精品

Brief

Petroleum grade β-Methylnaphthalene is to use reformed aromatic hydrocarbon as raw material, through efficient distillation separation, β-Methylnaphthalene>96%.

Molecular formula: C₁₁H₁₀

Quality index

　　Uses

Production of vitamin K3 used as intermediate, also for the preparation of β- naphthol in oxidation way, and then used in the production of birth control pill, plant growth regulators, textile printing and dyeing auxiliary, Surfactant.

Packaging, storage and transportation

Tank car or metal pail, This product belongs to dangerous goods, stored in accordance with the regulations of dangerous goods .