5-Bromo-3-methoxysalicylaldehyde
5-Bromo-3-methoxysalicylaldehyde
CAS: 5034-74-2
Molecular Formula: C8H7BrO3
5-Bromo-3-methoxysalicylaldehyde - Names and Identifiers
| Name | 5-Bromo-3-methoxysalicylaldehyde |
| Synonyms | 5-BROMO-O-VANILLIN 5-BROMO-2-VANILLIN OTAVA-BB BB7018802005 5-Bromo-3-methoxysalicylaldehyde 5-BROMO-3-METHOXYSALICYLALDEHYDE 5-bromo-2-hydroxy-3-methoxybenzaldehyde 5-BROMO-2-HYDROXY-3-METHOXYBENZALDEHYDE benzaldehyde, 5-bromo-2-hydroxy-3-methoxy- 5-BROMO-2-HYDROXY-3-METHOXYBENZENECARBALDEHYDE |
| CAS | 5034-74-2 |
| EINECS | 628-660-0 |
| InChI | InChI=1/C8H7BrO3/c1-12-7-3-6(9)2-5(4-10)8(7)11/h2-4,11H,1H3 |
5-Bromo-3-methoxysalicylaldehyde - Physico-chemical Properties
| Molecular Formula | C8H7BrO3 |
| Molar Mass | 231.04 |
| Density | 1.6494 (rough estimate) |
| Melting Point | 125-127 °C (lit.) |
| Boling Point | 277.2±35.0 °C(Predicted) |
| Flash Point | 121.4°C |
| Vapor Presure | 0.00272mmHg at 25°C |
| BRN | 2328601 |
| pKa | 7.62±0.23(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Sensitive | Air Sensitive |
| Refractive Index | 1.4730 (estimate) |
5-Bromo-3-methoxysalicylaldehyde - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29130000 |
5-Bromo-3-methoxysalicylaldehyde - Introduction
It is an organic compound with the chemical formula C8H7BrO3.
Nature:
-Appearance: Colorless crystalline solid.
-Melting point: about 128-130 degrees Celsius.
-Boiling point and fire point data are not reported.
-Solubility: Soluble in most organic solvents, such as ethanol, acetone and dichloromethane.
Use:
-As an intermediate for the synthesis and adjustment of organic photoelectric functional materials.
-has applications in the synthesis of drugs, dyes and pigments.
Preparation Method:
It can be prepared by the following steps:
1. The benzaldehyde substituted at the 3-position reacts with bromo methanol to generate 3-methoxybenzaldehyde.
2. Under alkaline conditions, 3-methoxybenzaldehyde reacts with hydrogen bromide to generate 5-bromo-3-methoxybenzaldehyde.
3. The product obtained by synthesis converts the methoxy moiety into hydroxyl group through reduction or other chemical reactions to obtain the final product.
Safety Information:
-It may be irritating and sensitizing to the human body, and protective measures should be taken when contacting.
-In the use or preparation process should follow the laboratory safety procedures, pay attention to protect the eyes and skin, and ensure that the operation is carried out in a well-ventilated place.
-If exposed or inhaled, seek medical attention immediately.
Nature:
-Appearance: Colorless crystalline solid.
-Melting point: about 128-130 degrees Celsius.
-Boiling point and fire point data are not reported.
-Solubility: Soluble in most organic solvents, such as ethanol, acetone and dichloromethane.
Use:
-As an intermediate for the synthesis and adjustment of organic photoelectric functional materials.
-has applications in the synthesis of drugs, dyes and pigments.
Preparation Method:
It can be prepared by the following steps:
1. The benzaldehyde substituted at the 3-position reacts with bromo methanol to generate 3-methoxybenzaldehyde.
2. Under alkaline conditions, 3-methoxybenzaldehyde reacts with hydrogen bromide to generate 5-bromo-3-methoxybenzaldehyde.
3. The product obtained by synthesis converts the methoxy moiety into hydroxyl group through reduction or other chemical reactions to obtain the final product.
Safety Information:
-It may be irritating and sensitizing to the human body, and protective measures should be taken when contacting.
-In the use or preparation process should follow the laboratory safety procedures, pay attention to protect the eyes and skin, and ensure that the operation is carried out in a well-ventilated place.
-If exposed or inhaled, seek medical attention immediately.
Last Update：2024-04-09 02:00:46
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