139962-95-1
4-Methoxy-2-formylphenylboronic acid
CAS: 139962-95-1
Molecular Formula: C8H9BO4
139962-95-1 - Names and Identifiers
| Name | 4-Methoxy-2-formylphenylboronic acid |
| Synonyms | AKOS BRN-0106 RARECHEM AH PB 0117 2-Formyl-4-Methoxyphenylboroni 2-FORMYL-4-METHOXYPHENYLBORONIC ACID 4-Methoxy-2-formylphenylboronic acid 4-METHOXY-2-FORMYLPHENYLBORONIC ACID 2-Formyl-4-methoxyphenylboronic acid 2-Formyl-4-methoxybenzeneboronic acid 4-METHOXY-2-FORMYLBENZENEBORONIC ACID |
| CAS | 139962-95-1 |
| InChI | InChI=1/C8H9BO4/c1-13-7-2-3-8(9(11)12)6(4-7)5-10/h2-5,11-12H,1H3 |
139962-95-1 - Physico-chemical Properties
| Molecular Formula | C8H9BO4 |
| Molar Mass | 179.97 |
| Density | 1.25±0.1 g/cm3(Predicted) |
| Melting Point | 166-170 °C |
| Boling Point | 395.2±52.0 °C(Predicted) |
| Flash Point | 192.8°C |
| Solubility | soluble in Methanol |
| Vapor Presure | 5.89E-07mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow |
| pKa | 8.61±0.53(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.537 |
139962-95-1 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| Hazard Note | Irritant |
| Hazard Class | IRRITANT, KEEP COLD |
139962-95-1 - Introduction
4-methoxy -2-formyl benzene boronic acid, chemical formula is C9H9BO4, is a kind of organic boron compound.
Its properties are as follows:
1. Appearance: colorless crystal or white crystalline powder;
2. melting point: about 135-137 degrees Celsius;
3. solubility: soluble in organic solvents such as ethanol and dichloromethane, slightly soluble in water;
4. Stability: Stable at room temperature, but avoid exposure to strong light.
4-Methoxy-2-formylphenylboronic acid has a variety of uses in chemical research and industrial preparation, including:
1. As a reagent for organic synthesis, it can be used to synthesize other compounds, such as organic borate esters;
2. in the pharmaceutical field, can be used for the preparation of pharmaceutical intermediates;
3. can be used as oxidizing agent, reducing agent and catalyst.
This compound can be prepared generally by reacting methyl iodide with phenylboronic acid in the presence of a base. The specific operation is as follows:
1. Dissolve methyl iodide and phenylboronic acid in ethanol under inert atmosphere;
2. add appropriate amount of alkali catalyst (such as sodium carbonate, potassium carbonate, etc.);
3. Reaction at room temperature for a period of time, usually several hours;
4. The product was filtered and crystallized from cold ether to give 4-methoxy-2-formylphenylboronic acid.
Regarding safety information, specific safety and toxicity data for 4-methoxy-2-formylphenylboronic acid may vary depending on the method of preparation and purity. In general, the operation should pay attention to the following safety matters:
1. avoid contact with the skin, if accidentally contact the skin, immediately rinse with plenty of water;
2. Avoid inhaling the dust or gas of the solution, and should be equipped with appropriate protective equipment, such as protective gloves, goggles and protective masks;
3. Operate in a well-ventilated place to avoid the accumulation of harmful gases;
4. Store away from high temperature, fire and strong light.
Due to the operational risks and safety factors of chemical substances, it is recommended to use them under the guidance of professionals and follow relevant safe operating procedures.
Its properties are as follows:
1. Appearance: colorless crystal or white crystalline powder;
2. melting point: about 135-137 degrees Celsius;
3. solubility: soluble in organic solvents such as ethanol and dichloromethane, slightly soluble in water;
4. Stability: Stable at room temperature, but avoid exposure to strong light.
4-Methoxy-2-formylphenylboronic acid has a variety of uses in chemical research and industrial preparation, including:
1. As a reagent for organic synthesis, it can be used to synthesize other compounds, such as organic borate esters;
2. in the pharmaceutical field, can be used for the preparation of pharmaceutical intermediates;
3. can be used as oxidizing agent, reducing agent and catalyst.
This compound can be prepared generally by reacting methyl iodide with phenylboronic acid in the presence of a base. The specific operation is as follows:
1. Dissolve methyl iodide and phenylboronic acid in ethanol under inert atmosphere;
2. add appropriate amount of alkali catalyst (such as sodium carbonate, potassium carbonate, etc.);
3. Reaction at room temperature for a period of time, usually several hours;
4. The product was filtered and crystallized from cold ether to give 4-methoxy-2-formylphenylboronic acid.
Regarding safety information, specific safety and toxicity data for 4-methoxy-2-formylphenylboronic acid may vary depending on the method of preparation and purity. In general, the operation should pay attention to the following safety matters:
1. avoid contact with the skin, if accidentally contact the skin, immediately rinse with plenty of water;
2. Avoid inhaling the dust or gas of the solution, and should be equipped with appropriate protective equipment, such as protective gloves, goggles and protective masks;
3. Operate in a well-ventilated place to avoid the accumulation of harmful gases;
4. Store away from high temperature, fire and strong light.
Due to the operational risks and safety factors of chemical substances, it is recommended to use them under the guidance of professionals and follow relevant safe operating procedures.
Last Update：2024-04-09 19:05:46
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Product Name: 4-Methoxy-2-Formylphenylboronic Acid Visit Supplier Webpage Request for quotation
CAS: 139962-95-1
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