4,4′-Diamino-2,2′-stilbenedisulfonic acid CAS 81-11-8
4,4 '- diaminodiphenyl-2,2' - disulfonic acid no ka papa o nā pūhui stilbene a hiki ke hoʻomākaukau ʻia e ka hydrogenation o kāna mau pūhui precursor nitro. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid he nila melemele ke ʻano hygroscopic crystal. Hiki ke hoʻoheheʻe ʻia i loko o ka wai, hiki ke hoʻoheheʻe ʻia i ka ethanol a me ka etera, hiki ke hoʻoheheʻe ʻia i nā hopena alkaline.
'ikamu | Hōʻike |
pKa | -1.58±0.50(Wanamua) |
Lae hehee | 300 °C |
ʻO ka mānoanoa | 1.4732 (manaʻo koʻikoʻi) |
Pumi mahu | 1.3hPa ma 25 ℃ |
HOOLAHA | <0.1 g/100 mL ma 23 ºC |
Hoʻopaʻapaʻa | 1.6510 (manaʻo) |
4,4 '- Diamino-2,2' - stilbenedisilfonic acid dye and intermediate like fluorescent whitening agent. 4,4 '- Diamino-2,2' - hoʻohana ʻia ka stilbenedisilfonic acid no ka hana ʻana i ka mea hana keʻokeʻo fluorescent, pololei melemele G a pololei melemele R, a ma ke ʻano he insecticide.
Hoʻopili pinepine ʻia i ka 25kg / pahu, a hiki ke hana ʻia i ka pōʻai maʻamau.
4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8
4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8