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

CAS:81-11-8

Fomura reMamorekuru:C14H14N2O6S2

Kurema kweMorekuru:370.4

EINECS:201-325-2

Mazwi akafanana:diaminostilbenedisulfonicid; 4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid'; 4',4" Diamino stillbene 2'2" disulfonic 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-benzenesulfonicid; 2,2'-(1,2-ethenediyl)bis[5-amino-Benzenesulfonic; 2,2'-(1,2-ethenediyl)bis[5-amino-benzenesulfonic]

Siya Mharidzo Yako

Ruzivo rweChigadzirwa

Dhawunirodha

Matagi eChigadzirwa

Chii chinonzi 4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8?

4,4 '- diaminodiphenyl-2,2' - disulfonic acid iri muboka re stilbene compounds uye inogona kugadzirwa ne hydrogenation ye nitro substituted precursor compounds. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid ikristaro yeyero yakaita setsono ine hygroscopic. Inonyungudika zvishoma mumvura, inonyungudika mu ethanol ne ether, inonyungudika nyore nyore mu alkaline solutions.

Tsanangudzo

Chinhu	Tsanangudzo
pKa	-1.58±0.50 (Yakafanotaurwa)
Nzvimbo yekunyunguduka	300 °C
Kuwanda kwevanhu	1.4732 (fungidziro yakadzama)
Kumanikidzwa kwemhepo	1.3hPa pa25℃
INONYUNGURWA	<0.1 g/100 mL pa23 ºC
Kudzokorora	1.6510 (fungidziro)

Kushandiswa

4,4 '- Diamino-2,2' - dhayi ye stilbenedisilfonic acid uye yepakati senge fluorescent whitening agent. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid inoshandiswa kugadzira fluorescent whitening agent, direct frozen yellow G uye direct yellow R, uye semushonga wezvipembenene