最近更新中文字幕第一页 综合国产无码观看 五月天激情网成人 午夜成人经典三级视频

Qilu Petrochemical Isobutanol Professional sales of Isobutanol　Wholesale of Isobutanol　Isobutanol Shandong general agency
99% Domestic 170kg/drum
Product name: Isobutanol
Alias: 2-Methyl-1-propanol; Isobutyl alcohol
Technical Specification Code: 420
CAS No.: 78-83-1
Molecular formula: C₄H₁₀O
Molecular weight: 74.12
Main use: Mainly used as solvent and in organic synthesis.