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

CAS:81-11-8

Fa'asologa Molekiula:C14H14N2O6S2

Mamafa Molekiula:370.4

EINECS:201-325-2

Upu tutusa: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-Benzenesulfonicaci; 2,2'-(1,2-ethenediyl)bis[5-amino-benzenesulfonicacid]

Tu'u Lau Savali

Fa'amatalaga o le oloa

La'uina mai

Fa'ailoga o Oloa

O le ā le 4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8?

4,4 '- diaminodiphenyl-2,2' - o le disulfonic acid e patino i le vasega o stilbene compounds ma e mafai ona saunia e ala i le hydrogenation o ana nitro precursor compounds. 4,4 '- Diamino-2,2' - o le stilbenedisilfonic acid o se tioata hygroscopic e foliga i se nila samasama. E matuā faigofie lava ona solu i le vai, solu i le ethanol ma le ether, faigofie ona solu i ni vailaʻau alkaline.

Fa'amatalaga

Mea	Fa'amatalaga
pKa	-1.58±0.50 (Vavaloina)
Tulaga e liusuavai ai	300°C
Mafiafia	1.4732 (fuafuaga fa'atatau)
Mamafa o le ausa	1.3hPa i le 25 ℃
E MAFAI ONA FA'AVAIVA	<0.1 g/100 mL i le 23 ºC
Fa'amama'i	1.6510 (fuafuaga)

Talosaga

4,4 '- Diamino-2,2' - vali stilbenedisilfonic acid ma vaila'au fa'alava e pei o le vaila'au fa'apa'epa'e fluorescent. 4,4 '- Diamino-2,2' - o le stilbenedisilfonic acid e fa'aaogaina e gaosia ai le vaila'au fa'apa'epa'e fluorescent, samasama fa'a'aisa tuusa'o G ma samasama tuusa'o R, ma o se vaila'au e fa'amate ai iniseti.