国产美女视频黄a视频免费|2019日韩中文字幕mv|国产91对白在线播放丿|精品影院|午夜少妇拍拍视频在线观看

Contact Us
Nanjing duly Biotechnology Co., Ltd.
地址:南京市浦口區創芯匯2棟503
郵編:210031
電話:025 84699415
傳真:025 84699415

Sulfamethazine

CAS No.: 57-68-1
Item No.: A0097
Store at: 2~8℃, away from ligh

CAS No.: 57-68-1

C12H14N4O2S=278.33

Grade: BR

Content: ≥ 99.0%

Melting point: 198 ~ 201 ℃

Physicochemical properties: white to off white or yellowish crystal or powder. It is almost insoluble in water (solubility: 29 ℃, 150mg / 100ml; 37 ℃, 192mg / ml). It is soluble in hot ethanol, insoluble in ether, and easily soluble in dilute acid or alkali solution. Odorless, slightly bitter taste, and the color gradually darkens when exposed to light

Purpose: biochemical research.

Storage: 2 ~ 8 ℃, away from light


Copyright ?2021 南京杜萊生物技術有限公司 版權所有 Record No:蘇ICP備18062211號-1