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

m-Methyl red/3-((4-(Dimethylamino)phenyl)azo)benzoic acid

CAS No.: 20691-84-3
Item No.: SR0134
Store at: RT,Avoid light

English Name: m-methyl red; 3-((4-(Dimethylamino)phenyl)azo)benzoic acid

Other names: p-dimethylaminoazobenzene m-carboxylic acid; 3- ((4- (dimethylamino) phenyl) azo) benzoic acid; P-dimethylaminobenzoazobenzoic acid

CAS No.: 20691-84-3

C15H15N3O2=269.30

Grade: ind

PH discoloration range: 2.0 (red) ~ 4.0 (yellow)

Bromine oxidation test: qualified

Ethanol dissolution test: qualified

Burning residue: ≤ 0.3%

 Physicochemical Properties: reddish brown powder. Soluble in ethanol, almost insoluble in water

Purpose: biochemical research. Acid base indicator

Save: RT, 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