I-asidi ye-4,4′-Diamino-2,2′-stilbenedisulfonic CAS 81-11-8

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

I-CAS:81-11-8

Ifomula Yamamolekyuli:C14H14N2O6S2

Isisindo sama-molecule:370.4

I-EINECS:201-325-2

Amagama afanayo:i-diaminostilbenedisulfonicid; i-4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid'; i-4',4" i-Diamino stillbene 2'2" i-disulfonic acid; i-1,2-bis(4-amino-2-sulfophenyl)ethene; i-4,4'-Diamino-2,2'-stibenedisulfonic acid; i-4,4'-DIAMINO-2,2'-STILBENEDISULFONIC ACI D, TECH,85%; i-2,2'-(1,2-ethenediyl)bis[5-amino-benzenesulfonicaci; i-2,2'-(1,2-ethenediyl)bis[5-amino-benzenesulfonicid; i-2,2'-(1,2-ethenediyl)bis[5-amino-benzenesulfonic]

Shiya Umlayezo Wakho

Imininingwane Yomkhiqizo

Landa

Amathegi Omkhiqizo

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

4,4 '- diaminodiphenyl-2,2' - i-disulfonic acid ingeyesigaba sama-compound e-stilbene futhi ingalungiswa nge-hydrogenation yama-compound ayo angaphambi kwe-nitro afakwe esikhundleni. 4,4 '- Diamino-2,2' - i-stilbenedisilfonic acid iyikristalu ephuzi enesimo senaliti esi-hygroscopic. Incibilika kancane emanzini, incibilika ku-ethanol naku-ether, incibilika kalula ezixazululweni ze-alkaline.

Imininingwane

Into	Imininingwane
i-pKa	-1.58±0.50 (Kubikezelwe)
Indawo yokuncibilika	300 °C
Ubuningi	1.4732 (isilinganiso esilinganiselwe)
Umfutho womusi	1.3hPa ku-25℃
OKUNXULUMEKILE	<0.1 g/100 mL ku-23 ºC
Ukuvuselela kabusha	1.6510 (isilinganiso)

Isicelo

4,4 '- Diamino-2,2' - idayi ye-stilbenedisilfonic acid kanye ne-intermediate efana ne-fluorescent whitening agent. 4,4 '- Diamino-2,2' - i-stilbenedisilfonic acid isetshenziselwa ukukhiqiza i-fluorescent whitening agent, i-direct frozen yellow G kanye ne-direct yellow R, kanye ne-insecticide