4,6-DIHYDROXYISOPHTHALIC ACID-CAS 19829-74-4-crystal-1

4,6-DIHYDROXYISOPHTHALIC ACID-CAS 19829-74-4-crystal-3

4,6-DIHYDROXYISOPHTHALIC ACID-CAS 19829-74-4-crystal-2

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

CAS: 19829-74-4
Purity: /
Molecular Formula: C8H6O6
Molecular Weight：198.13
EINECS：/
Storage Period: 1 year

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; DK7436

What is 4,6-DIHYDROXYISOPHTHALIC ACID CAS 19829-74-4 ？

4,6-Dihydroxyisophthalic acid is an organic compound, also known as terephthalic acid (TDA). It is a white crystalline powder, soluble in water, alcohol and ester solvents, and insoluble in non-polar solvents. 4,6-Dihydroxyisophthalic acid is a weak acid, and its hydroxyl group is acidic, which can participate in esterification and acylation reactions.

Specification

Melting point	308-310℃
Boiling point	551.0±35.0°C(Predicted)
Flash point	301.1±22.4 °C
Density	1.8±0.1 g/cm3
Acidity coefficient (pKa)	2.56±0.10(Predicted)
Vapor pressure	0.0±1.6 mmHg at 25°C
Refractive index	1.718
Storage conditions	Inert atmosphere, RoomTemperature

Application

4, 6-dihydroxyisophthalic acid is an important raw material for the production of polyester polymer materials, such as polyester fiber, polyester film, polyester paint and so on. It can also be used as an intermediate in the synthesis of dyes, resins, flame retardants and other chemicals.