19829-74-4
4,6-DIHYDROXYISOPHTHALIC ACID
CAS: 19829-74-4
Molecular Formula: C8H6O6
19829-74-4 - Names and Identifiers
19829-74-4 - 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 |
19829-74-4 - 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.
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
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