达达兔色戒完整版的|av短剧|日本不卡一区二区在线观看|黄色网址视频在线播放,重返以色列未删减完整版在线观看 ,日韩h在线,在线免费观看v片

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】