欧美老熟妇喷水,CHINESEMATURE老熟妇,国产69精品久久久久999小说,男男啪啪激烈高潮cc漫画免费

Products

Product detail

2-Hydroxy-1,4-naphoquinone

Chemical name: 2-Hydroxy-1,4-naphoquinone
English name: 2-Hydroxy-1,4-naphoquinone
CAS No: 83-72-7
Molecular formula:

C10H6O3

Structural formula: 2-Hydroxy-1,4-naphoquinone
Molecular weight: 174.15
Uses: for tint and bactericide
Pake: Cardboard drum, 25kg / barrel
Appearance:

yellow crystal

Quality index:

melting point: 192-195 ºC

moisture≤0.50%

2-Hydroxy-1,4-naphoquinone
Product pictures