又黄又粗又爽的毛片在线播放_亚洲一区二区三区无码红粉_欧美人妻精品激情视频一二三区_亚洲无码成人免费在线_国产成人无码区免费AⅤ片91

Molecualr formula : (CH₂O)n

Molecular weight : (C3O)n 

Physical and chemical properties : White powder, with a smell of formaldehyde, water-soluble and insoluble in ethanol.

Standards : Q/DF01-2008 aldehyde content: 96±1%

Use : Mainly for the production of glyphosate can be used as disinfectant and insecticide

Packing : Plastic woven bag, net weight 25kg