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

I-CAS:81-11-8

Ifomula yeemolekyuli:I-C14H14N2O6S2

Ubunzima beMolekyuli:370.4

EINECS:201-325-2

Izithethantonye: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]

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

I-4,4 '- i-diaminodiphenyl-2,2' - i-disulfonic acid iyingxenye yeklasi ye-stilbene compounds kwaye inokulungiswa nge-hydrogenation ye-nitro substituted precursor compounds. I-4,4 '- Diamino-2,2' - i-stilbenedisilfonic acid yinaliti etyheli emile ikristale yehygroscopic. Kancinci kakhulu ukunyibilika emanzini, ukunyibilika kwi-ethanol kunye ne-ether, ukunyibilika ngokulula kwizisombululo zealkaline.

Inkcazo

Into	Inkcazo
pKa	-1.58±0.50(Kuxelwe kwangaphambili)
Indawo yokunyibilika	300 °C
Ukuxinana	1.4732 (uqikelelo olurhabaxa)
Uxinzelelo lomphunga	1.3hPa ku-25℃
I-SOLUBLE	<0.1 g/100 mL ku-23 ºC
Refractivity	1.6510 (uqikelelo)

Isicelo

I-4,4 '- i-Diamino-2,2' - idayi ye-stilbenedisilfonic acid kunye nephakathi njenge-agent emhlophe ye-fluorescent. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid isetyenziselwa ukuvelisa i-fluorescent whitening agent, ngqo emkhenkceni emthubi G kunye ngqo tyheli R, kwaye njengoko insecticide.