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

Acetylsalicylic acid;2-Acetoxybenzoic acid;Aspirin

CAS No.: 50-78-2
Item No.: A0062
Store at: RT

CAS No.: 50-78-2

C9H8O4 =180.16

Grade: BR

Content: ≥ 99.0%

Melting point: 135 ~ 140 ℃

Heavy metals: ≤ 10ppm

Chloride: ≤ 140ppm

Sulfate: ≤ 0.04%

Sulphated ash: ≤ 0.05%

Free salicylic acid: ≤ 0.1%

Loss on drying: ≤ 0.50%


Physicochemical properties: white crystal or white crystalline powder. Odorless, slightly sour. It is stable in dry air and slowly hydrolyzed into salicylic acid and acetic acid in humid air. Soluble in ethanol, ether and chloroform, slightly soluble in water, soluble in alkali hydroxide solution or alkali carbonate solution, but decomposed at the same time

Purpose: biochemical research. Verify manganese. Organic synthesis.

Save: RT


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