4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8
4,4 '- diaminodiphenyl-2,2' - disulfonic acid ke ea sehlopha sa metsoako ea stilbene 'me e ka lokisoa ka hydrogenation ea metsoako ea eona ea nitro substituted precursor. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid ke nale e mosehla e bōpehileng joaloka kristale ea hygroscopic. E qhibiliha hanyenyane haholo ka metsing, e qhibiliha ka har'a ethanol le ether, 'me e qhibiliha habonolo ka metsoako ea alkaline.
Ntho | Tlhaloso |
pKa | -1.58±0.50(E boletsoeng esale pele) |
Sebaka se qhibilihang | 300 °C |
Botenya | 1.4732 (khakanyo e fosahetseng) |
Khatello ea mouoane | 1.3hPa ho 25 ℃ |
THABELOA | <0.1 g/100 mL ka 23 ºC |
Refractivity | 1.6510 (khakanyo) |
4,4 '- Diamino-2,2' - dae ea stilbenedisilfonic acid le e bohareng e kang fluorescent whitening agent. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid e sebelisoa ho hlahisa fluorescent whitening agent, e tobileng e batang e mosehla G le mosehla o otlolohileng oa R, hape e le chefo e bolaeang likokoanyana.
Hangata e tletse 25kg / moropa, hape e ka etsoa sephutheloana se ikhethileng.
4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8
4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8