4,6-DIHYDROXYISOPHTHALIC

4,6-DIHYDROXYISOPHTHALIC - Names and Identifiers

Name	4,6-DIHYDROXYISOPHTHALIC ACID
Synonyms	4,6-dihydroxyisophthalic 6-DIHYDROXYISOPHTHALIC ACID 4,6-DIHYDROXYISOPHTHALIC ACID Resorcinol-4,6-dicarboxylic acid 4,6-dihydroxybenzene-1,3-dicarboxylic acid 4,6-Dihydroxy-1,3-benzenedicarboxylic acid 1,3-Benzenedicarboxylic acid, 4,6-dihydroxy-
CAS	19829-74-4

4,6-DIHYDROXYISOPHTHALIC - Physico-chemical Properties

Molecular Formula	C8H6O6
Molar Mass	198.13
Density	1.779
Melting Point	308-310℃
Boling Point	551.0±35.0 °C(Predicted)
pKa	2.56±0.10(Predicted)
Storage Condition	Inert atmosphere,Room Temperature

4,6-DIHYDROXYISOPHTHALIC - Introduction

4,6-dihydroxyisophthalic ACID (chemical formula: C8H6O6) is an organic compound, also known as TDA (terethalic Dihydroxy Acid). The following is a description of the nature, use, preparation and safety information of 4,6-dihydroxyisophthalic ACID:

Nature:
-Appearance: White crystalline powder
-Molecular weight: 186.13g/mol
-Melting Point: 345-347 ℃
-Solubility: Soluble in water, alcohols and Ester solvents, insoluble in non-polar solvents
-Chemical properties: 4,6-dihydroxyisophthalic ACID is a weak ACID. Its hydroxyl group is acidic and can participate in esterification and acylation reactions.

Use:
- 4,6-dihydroxyisophthalic ACID is an important raw material for the production of polyester polymer materials, such as polyester fiber, polyester film, polyester coating, etc.
-It can also be used as an intermediate for the synthesis of dyes, resins, flame retardants and other chemicals.

Method:
- 4,6-dihydroxyisophthalic ACID can be obtained by hydrogenation of terephthalic ACID. The specific step is to put phthalic ACID and a catalyst (usually platinum or palladium) into a high-pressure reaction vessel, and carry out a catalytic hydrogenation reaction under high temperature and high pressure conditions to obtain 4,6-dihydroxyisophthalic ACID.

Safety Information:
- 4,6-dihydroxyisophthalic ACID is a general organic compound with low toxicity.
-During operation, appropriate protective measures should be taken, such as wearing protective glasses, gloves and chemical goggles.
-Avoid inhaling dust and avoid prolonged contact with skin.
-In case of accidental contact or ingestion, seek medical attention immediately.

Last Update：2024-04-10 22:29:15