婷婷五月综合缴情在线视频,女人夜夜春高潮爽A∨片传媒,一本加勒比HEZYO无码人妻,久久er99热精品一区二区,亚洲国产精品久久人人爱,乱子轮熟睡1区,国产精品美女久久久久AV超清,97人人模人人爽人人少妇,国产不卡视频一区二区三区,成 人 免费 黄 色 网站无毒下载

English name: 1,2,4-Trihydroxybenzene
CAS NO: 533-73-3
Molecular weight: 126.11 
EC NO: 208-575-1
Molecular formula: C6H6O3
InChI: InChI=1/C6H6O3/c7-4-2-1-3-5(8)6(4)9/h1-3,7-9H
Specification: Molecular formula: C6H6O3 ；Molecular weight: 126.11
Packaging: 25kg cardboard drum

 Appearance: light brown to grayish white crystalline powder

Content: ≥99%

To use: hair dye intermediate

Alias: 1,2,4-Benzentril; benzene-1,2,4-triol; benzene-1,2,3-triol; 1,2,4-Benzenetriol