色的视频在线观看免费播放-色的综合-色丁香久久-色丁香色婷婷-日本老师69xxxxxxxxx-日本老头和老太tv

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