4,6-DIHYDROXYISOPHTHALIC ACIID CAS 19829-74-4

CAS:19829-74-4

Qaanuunka molecular:C8H6O6

Miisaanka Molecular:198.13

La mid ah:Resorcinol-4,6-dicarboxylicacid; 4,6-dihydroxyisophthalic; 1,3-Benzenedicarboxylicacid,4,6-dihydroxy-; 4,6-dihydroxybenzene-1,3-dicarboxylicacid; 4,6-DIHYDROXYISOPHTHALICACID; 4,6-Dihydroxy-1,3-benzenedicarboxylicacid; 6-DIHYDROXYISOPHTHALICID; DK7436

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Waa maxay 4,6-DIHYDROXYISOPHTHALIC ACIID CAS 19829-74-4?

4,6-Dihydroxyisophthalic acid waa iskudhis organic, sidoo kale loo yaqaan terephthalic acid (TDA). Waa budo crystalline cad, oo ku milmi biyaha, khamriga iyo dareerayaasha esterka, oo aan lagu milmi karin dareerayaasha aan dabaylaha ahayn. 4,6-Dihydroxyisophthalic acid waa asiidh daciif ah, kooxdeeda hydroxylna waa acidic, taas oo ka qayb qaadan karta falcelinta esterification iyo acylation.

Tilmaamid

barta dhalaalaysa	308-310 ℃
Barta karkarinta	551.0± 35.0°C (La saadaaliyay)
Barta toosan	301.1± 22.4 °C
Cufnaanta	1.8±0.1 g/cm3
Isku-dhafka aysiidhka (pKa)	2.56±0.10 (La saadaaliyay)
Cadaadiska uumiga	0.0±1.6 mmHg at 25°C
Tilmaanta refractive	1.718
Xaaladaha kaydinta	Jawi aan firfircoonayn, heerkulka qolka

Codsiga

4, 6-dihydroxyisophthalic acid waa walxo muhiim ah oo ceeriin ah oo loogu talagalay soo saarista alaabta polyester-ka, sida fiber polyester-ka, filimka polyesterka, rinjiga polyesterka iyo wixii la mid ah. Waxa kale oo loo isticmaali karaa dhexdhexaad ahaan isku-dhafka dheeha, resins, retardants ololka iyo kiimikooyinka kale.