国产美女一区二区三区,久久免费精品视频,亚洲自拍偷拍精品视频,久久精品成人av,国产野外作爱视频播放,日韩欧美在线视频一区,亚洲男女呻吟一区二区三区

Weinan Huifeng New Material Technology Co., Ltd.

1-Hydroxybenzotriazole

1-Hydroxybenzotriazole

Chemical name: 1-Hydroxybenzotrizole
CAS NO.: 2592-95-2
Molecular formula: C6H5N3O
Molecular weight: 135.13
Structural formula:
Properties: almost white crystal, purity 99%

Packaging: 25㎏ fiber can lined with double layer plastic bag

To use: polypeptide condensating agent


【Return】