4-HYDROXY-1,3-BENZENEDECARBOXYLIC ACID
4-hydroxyisophthalic acid
CAS: 636-46-4
Molecular Formula: C8H6O5
4-HYDROXY-1,3-BENZENEDECARBOXYLIC ACID - Names and Identifiers
| Name | 4-hydroxyisophthalic acid |
| Synonyms | NSC 2445 Aspirin EP IMpurity B 4-HYDROXYISOPHTHALIC ACID 4-hydroxyisophthalic acid ACETYLSALISYLIC ACID IMP B HYDROXYISOPHTHALIC ACID, 4- 4-hydroxybenzene-1,3-dicarboxylate 4-HYDROXY-1,3-BENZENEDICARBOXYLIC ACID 4-HYDROXY-1,3-BENZENEDECARBOXYLIC ACID 4-HYDROXYBENZENE-1,3-DICARBOXYLIC ACID 4-hydroxybenzene-1,3-dicarboxylic acid 1,3-benzenedicarboxylic acid, 4-hydroxy- |
| CAS | 636-46-4 |
| EINECS | 211-258-0 |
| InChI | InChI=1/C8H6O5/c9-6-2-1-4(7(10)11)3-5(6)8(12)13/h1-3,9H,(H,10,11)(H,12,13)/p-2 |
4-HYDROXY-1,3-BENZENEDECARBOXYLIC ACID - Physico-chemical Properties
| Molecular Formula | C8H6O5 |
| Molar Mass | 182.13 |
| Density | 1.4411 (rough estimate) |
| Melting Point | >300°C |
| Boling Point | 310 C |
| Flash Point | 238.6°C |
| Water Solubility | 0.3g/L(24 ºC) |
| Solubility | DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| Vapor Presure | 8.58E-09mmHg at 25°C |
| Appearance | solid |
| Color | White to Pale Purple |
| Merck | 14,4827 |
| pKa | 2?+-.0.10(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.5690 (estimate) |
| MDL | MFCD00010391 |
4-HYDROXY-1,3-BENZENEDECARBOXYLIC ACID - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R41 - Risk of serious damage to eyes R22 - Harmful if swallowed R36/38 - Irritating to eyes and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. S39 - Wear eye / face protection. S6 - Keep under ... (there follows the name of an inert gas). |
| WGK Germany | 3 |
| RTECS | NT2544000 |
| HS Code | 29182900 |
4-HYDROXY-1,3-BENZENEDECARBOXYLIC ACID - Introduction
4-hydroxyisophthalic acid(4-hydroxyisophthalic acid) is an organic compound with the chemical formula C8H6O5. Its properties are as follows:
1. Appearance: 4-hydroxyisophthalic acid is colorless or white crystalline powder.
2. Solubility: It can be dissolved in water or organic solvents.
3. Thermal stability: 4-hydroxyisophthalic acid is relatively stable at high temperatures.
4-hydroxyisophthalic acid has the following uses:
1. chemical synthesis: it can be used to synthesize functional polyester, polyamide and polyimide and other polymer compounds with special properties.
2. chemical reagent: as a chemical reagent, it is used in the fields of analytical chemistry, drug synthesis and organic synthesis.
The method of preparing 4-hydroxyisophthalic acid generally includes the following steps:
1. Reaction: 4-hydroxyisophthalic acid is reacted with water or alkali solution to generate 4-hydroxyisophthalic acid.
2. Separation: The target product was obtained by filtration, crystallization and drying.
When using and handling 4-hydroxyisophthalic acid, you need to pay attention to the following safety information:
1. protective measures: use should wear protective glasses, gloves and protective clothing. Avoid contact with skin, eyes or respiratory tract.
2. storage: storage should avoid contact with oxidants, acids, alkalis and other substances, away from high temperature and open fire.
3. Waste disposal: Waste should be disposed of in accordance with local regulations and should not be dumped into sewers or the environment.
It is worth noting that the above information is for reference only, and the specific operation and safety measures should be combined with the actual situation and the chemical safety data sheet. When using chemicals, always be vigilant and seek professional help if necessary.
1. Appearance: 4-hydroxyisophthalic acid is colorless or white crystalline powder.
2. Solubility: It can be dissolved in water or organic solvents.
3. Thermal stability: 4-hydroxyisophthalic acid is relatively stable at high temperatures.
4-hydroxyisophthalic acid has the following uses:
1. chemical synthesis: it can be used to synthesize functional polyester, polyamide and polyimide and other polymer compounds with special properties.
2. chemical reagent: as a chemical reagent, it is used in the fields of analytical chemistry, drug synthesis and organic synthesis.
The method of preparing 4-hydroxyisophthalic acid generally includes the following steps:
1. Reaction: 4-hydroxyisophthalic acid is reacted with water or alkali solution to generate 4-hydroxyisophthalic acid.
2. Separation: The target product was obtained by filtration, crystallization and drying.
When using and handling 4-hydroxyisophthalic acid, you need to pay attention to the following safety information:
1. protective measures: use should wear protective glasses, gloves and protective clothing. Avoid contact with skin, eyes or respiratory tract.
2. storage: storage should avoid contact with oxidants, acids, alkalis and other substances, away from high temperature and open fire.
3. Waste disposal: Waste should be disposed of in accordance with local regulations and should not be dumped into sewers or the environment.
It is worth noting that the above information is for reference only, and the specific operation and safety measures should be combined with the actual situation and the chemical safety data sheet. When using chemicals, always be vigilant and seek professional help if necessary.
Last Update：2024-04-09 21:21:28
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Spot supply
Product Name: Acetylsalicylic Acid Impurity 2（Acetylsalicylic Acid EP Impurity B） Visit Supplier Webpage Request for quotationCAS: 636-46-4
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
Wechat: 15671228036
Multiple SpecificationsSpot supply
Product Name: 4-Hydroxyisophthalic acid Visit Supplier Webpage Request for quotationCAS: 636-46-4
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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