黄色网站4免费看,一级女人14片毛片免费视,亚洲国产在,亚洲va国产va天堂va久久,免费福利网址,男人天堂免费在线视频,午夜一级毛片免费观看

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】