欧美激情免费网站,国产精品免费久久久久软件,岛国a级毛片,a天堂在线观看视频,性高潮久久久久久,色婷婷最新网址,日韩区欧美久久久无人区

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】