4,4′-Diamino-2,2′-stilbenedisulfonic acid CAS 81-11-8

CAS:81-11-8

Cov mis molecular:C14H14N2O6S2

Qhov Hnyav Molecular:370.4

EINECS:201-325-2

Cov lus txhais:diaminostilbenedisulfonicacid; 4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid'; 4',4" Diamino stillbene 2'2" disulphonic acid; 1,2-bis(4-amino-2-sulfophenyl)ethene; 4,4'-Diamino-2,2'-stibenedisulfonic acid; 4,4'-DIAMINO-2,2'-STILBENEDISULFONIC ACI D, TECH,85%; 2,2'-(1,2-ethenediyl)bis[5-amino-benzenesulfonicacid; 2,2'-(1,2-ethenediyl)bis[5-amino-Benzenesulfonicacid; 2,2'-(1,2-ethenediyl)bis[5-amino-benzenesulfonicacid]

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8 yog dab tsi?

4,4 '- diaminodiphenyl-2,2' - disulfonic acid yog ib hom tshuaj stilbene thiab nws cov nitro substituted precursor compounds muaj hydrogenation. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid yog ib hom siv lead ua los ntawm koob daj uas zoo li koob. Nws yaj tau yooj yim heev hauv dej, yaj tau hauv ethanol thiab ether, thiab yaj tau yooj yim hauv cov kua alkaline.

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
pKa	-1.58±0.50(Kwv yees)
Qhov kub yaj	300 °C
Qhov Ceev	1.4732 (kwv yees li qub)
Lub zog ua pa	1.3hPa ntawm 25 ℃
UA KOM YAJ	<0.1 g/100 mL ntawm 23 ºC
Kev cuam tshuam ntawm qhov ci ntsa iab	1.6510 (kwv yees)

Daim Ntawv Thov

4,4 '- Diamino-2,2' - stilbenedisilfonic acid zas xim thiab nruab nrab xws li fluorescent whitening agent. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid yog siv los tsim cov fluorescent whitening agent, ncaj qha khov daj G thiab ncaj qha daj R, thiab ua tshuaj tua kab.