4,6-DIHYDROXYISOPTHALIC ACID CAS 19829-74-4

CAS:19829-74-4

Tātai ngota:C8H6O6

Taumaha ngota:198.13

Ngā kupu taurite:Resorcinol-4,6-dicarboxylic acid; 4,6-dihydroxyisophthalic; 1,3-Benzenedicarboxylic acid,4,6-dihydroxy-; 4,6-dihydroxybenzene-1,3-dicarboxylic acid; 4,6-DIHYDROXYISOPHTHALICAID; 4,6-Dihydroxy-1,3-benzenedicarboxylic acid; 6-DIHYDROXYISOPHTHALICAID; DK7436

Waiho tō karere

Taipitopito Hua

Tikiake

Ngā Tohu Hua

He aha te 4,6-DIHYDROXYISOPTHALIC ACID CAS 19829-74-4?

He matū waro te waikawa 4,6-Dihydroxyisophthalic, e mōhiotia ana ko te waikawa terephthalic (TDA). He paura tioata mā, he wairewa ki te wai, ki te waipiro me ngā whakarewa ester, ā, kāore e wairewa ki ngā whakarewa kore-polar. He waikawa ngoikore te waikawa 4,6-Dihydroxyisophthalic, ā, he waikawa tōna rōpū hydroxyl, ka taea te whai wāhi ki ngā tauhohenga esterification me te acylation.

Whakatakotoranga

Te pūwāhi rewa	308-310℃
Te pūwāhi koropupū	551.0±35.0°C (I matapaetia)
Pūwāhi mura	301.1±22.4 °C
Kiato	1.8±0.1 karamu/cm3
Tauwehenga waikawa (pKa)	2.56±0.10 (I matapaetia)
Pēhanga kohu	0.0±1.6 mmHg i te 25°C
Taupū whakaata	1.718
Ngā tikanga rokiroki	Āhuarangi kore mahi, Mahana Rūma

Tono

He rauemi mata nui te waikawa 4,6-dihydroxyisophthalic mō te hanga rauemi polymer polyester, pērā i te muka polyester, te kiriata polyester, te peita polyester me ētahi atu. Ka taea hoki te whakamahi hei takawaenga i roto i te hanga tae, kapia, aukati mura me ētahi atu matū.