国产精品熟女视频一区二区,国产小嫩模无套中出视频,插我舔内射18免费视频,国产V亚洲V天堂无码久久久

,Jinan DaheWeiye Chemical Co., Ltd

Home| E-mial | Contact Us

Hot search: Methyl sulfoxide (DMSO)  , Thioacetamide  , m-Xylene  , Ethyl acetoacetate  , 

Product details

1,2-Diaminopropane

Product name 1,2-Diaminopropane
CAS RN 78-90-0
EINECS No. 201-155-9
Molecular formula C3H10N2
Molecular weight 74.1249
Physical and chemical properties Colorless transparent thick liquid, ammonia smell. Has the strong alkali and strong moisture absorption.
Uses Used in organic synthesis, pharmaceutical and synthetic dyes, and used as cellosolve, rubber vulcanization accelerator, etc