99视频在线精品国自产拍,国产乱人伦精品一区二区在线观看 ,影音先锋久久久久av综合网成人 ,使劲快高潮了国语对白在线

Congo Red

Alias:

C.I. 22120; C.I. Direct Red 28; C.I. Direct Red 28, disodium salt; C.I. Direct Red 28, disodium salt (8CI); Congo red; Direct Red 28;

English name:

Congo Red

Alias:

C.I. 22120;

CAS RN:

573-58-0

EINECS No.:

209-358-4

Molecular formula:

C₃₂H₂₂N₆Na₂O₆S₂

Molecular weight:

696.6632

Molecular structure:

Melting point:

360℃

Solubility:

Soluble

Uses:

As acid-base indicator, adsorption indicator and biological stain