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

CAS:Xyoo 19829-74-4

Molecular Formula:C8H6O6

Molecular Luj:198.13 Nws

Synonyms: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; wb 7436

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4,6-DIHYDROXYISOPHTHALIC ACID CAS 19829-74-4 yog dab tsi?

4,6-Dihydroxyisophthalic acid yog cov organic compound, tseem hu ua terephthalic acid (TDA). Nws yog dawb crystalline hmoov, soluble nyob rau hauv dej, cawv thiab ester kuab tshuaj, thiab insoluble nyob rau hauv non-polar solvents. 4,6-Dihydroxyisophthalic acid yog ib qho tsis muaj zog acid, thiab nws pawg hydroxyl yog acidic, uas tuaj yeem koom nrog esterification thiab acylation cov tshuaj tiv thaiv.

Specification

Melting point	308-310 ℃
Boiling point	551.0 ± 35.0 ° C (Predicted)
Flash point	301.1 ± 22.4 ° C
Qhov ntom	1.8 ± 0.1g / cm3
Acidity coefficient (pKa)	2.56 ± 0.10 (Kev kwv yees)
Vapor siab	0.0 ± 1.6 mmHg ntawm 25 ° C
Refractive Index	1.718 ib
Cia tej yam kev mob	Inert cua, RoomTemperature

Daim ntawv thov

4, 6-dihydroxyisophthalic acid yog cov khoom siv tseem ceeb rau kev tsim cov ntaub ntawv polyester, xws li polyester fiber, polyester zaj duab xis, polyester xim thiab lwm yam. Nws kuj tseem siv tau los ua ib qho nruab nrab hauv kev sib txuas ntawm cov dyes, resins, nplaim retardants thiab lwm yam tshuaj.