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

β-carotene

CAS No.: 7235-40-7
Item No.: V0004
Store at: -20℃

CAS No.: 7235-40-7

C40H56=536.87

Grade: br

Content: ≥ 97.0%

Solubility: chloroform: 10 mg/ml, clear, dark orange red

Heavy metals: ≤ 0.001%

 Physicochemical properties : red or reddish brown fine powder. Sensitive to light. It can absorb oxygen from the air and become colorless oxide and lose its activity. It is soluble in carbon disulfide, benzene and chloroform, slightly soluble in ether, petroleum ether and oil, extremely insoluble in methanol and ethanol, almost insoluble in water, acids and bases, and the dilute solution is yellow.

Purpose: biochemical research. Feed and food additives. Colorant

Storage: -20 ℃


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