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

CAS:19829-74-4

Tsarin kwayoyin halitta:Saukewa: C8H6O6

Nauyin Kwayoyin Halitta:198.13

Ma’ana: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-DIHYDROXYISOPHTHALICACID; DK7436

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Menene 4,6-DIHYDROXYISOPHTHALIC ACID CAS 19829-74-4?

4,6-Dihydroxyisophthalic acid wani fili ne na kwayoyin halitta, wanda kuma aka sani da terephthalic acid (TDA). Farin lu'ulu'un foda ne, mai narkewa a cikin ruwa, barasa da abubuwan kaushi na ester, kuma maras narkewa a cikin kaushi marasa ƙarfi. 4,6-Dihydroxyisophthalic acid ne mai rauni acid, da kuma hydroxyl kungiyar ne acidic, wanda zai iya shiga cikin esterification da acylation halayen.

Ƙayyadaddun bayanai

Wurin narkewa	308-310 ℃
Wurin tafasa	551.0± 35.0°C(An annabta)
Wurin walƙiya	301.1± 22.4 °C
Yawan yawa	1.8± 0.1 g/cm3
Adadin acidity (pKa)	2.56± 0.10 (An annabta)
Matsin tururi	0.0± 1.6 mmHg a 25 ° C
Indexididdigar refractive	1.718
Yanayin ajiya	Yanayin rashin aiki, Yanayin ɗaki

Aikace-aikace

4, 6-dihydroxyisophthalic acid yana da mahimmancin albarkatun kasa don samar da kayan aikin polyester polymer, irin su polyester fiber, polyester film, polyester fenti da sauransu. Hakanan za'a iya amfani dashi azaman tsaka-tsaki a cikin haɗin dyes, resins, retardants na harshen wuta da sauran sinadarai.