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

I-CAS:81-11-8

I-Molecular Formula:I-C14H14N2O6S2

Isisindo se-Molecular:370.4

I-EINECS:201-325-2

Omqondofana: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-benzenesulfonicaci; 2,2'-(1,2-ethenediyl)bis[5-amino-Benzenesulfonicacid; 2,2'-(1,2-ethenediyl)bis[5-amino-benzenesulfonicacid]

Shiya Umlayezo Wakho

Imininingwane Yomkhiqizo

Landa

Omaka bomkhiqizo

Yini i-4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8?

I-4,4 '- i-diaminodiphenyl-2,2' - i-disulfonic acid ingeyekilasi lama-stilbene compounds futhi ingalungiselelwa nge-hydrogenation ye-nitro substituted precursor compounds. 4,4 '- Diamino-2,2' - i-stilbenedisilfonic acid iyikristalu eyi-hygroscopic enaliti ephuzi. Incibilika kancane emanzini, inyibilika ku-ethanol ne-ether, inyibilika kalula ezixazululweni ze-alkaline.

Ukucaciswa

Into	Ukucaciswa
pKa	-1.58±0.50(Kubikezelwe)
Iphoyinti lokuncibilika	300 °C
Ukuminyana	1.4732 (isilinganiso esinzima)
Umfutho we-vapor	1.3hPa ku-25℃
I-SOLUBLE	<0.1 g/100 mL ku-23 ºC
I-Refractivity	1.6510 (isilinganiso)

Isicelo

4,4 '- Diamino-2,2' - idayi ye-stilbenedisilfonic acid kanye nemaphakathi njenge-agent emhlophe ye-fluorescent. 4,4 '- Diamino-2,2' - i-stilbenedisilfonic acid isetshenziselwa ukukhiqiza i-fluorescent whitening agent, eqondile ephuzi eqandisiwe G kanye no-R ophuzi oqondile, nanjenge-insecticide.