6-methyl-4-oxo-3-chromenecarboxaldehyde
3-formyl-6-methylchromone
CAS: 42059-81-4
Molecular Formula: C11H8O3
6-methyl-4-oxo-3-chromenecarboxaldehyde - Names and Identifiers
| Name | 3-formyl-6-methylchromone |
| Synonyms | IFLAB-BB F2121-0035 3-formyl-6-methylchromone 3-FORMYL-6-METHYLCHROMONE 6-methyl-4-oxochromene-3-carbaldehyde 6-methyl-4-oxo-chromene-3-carbaldehyde 6-methyl-4-oxo-3-chromenecarboxaldehyde 4-keto-6-methyl-chromene-3-carbaldehyde 4H-1-benzopyran-3-carboxaldehyde, 6-methyl-4-oxo- 6-Methyl-4-oxo-(4H)-1-benzopyrane-3-carboxaldehyde |
| CAS | 42059-81-4 |
| InChI | InChI=1/C11H8O3/c1-7-2-3-10-9(4-7)11(13)8(5-12)6-14-10/h2-6H,1H3 |
| InChIKey | GBWMIOYSMWCYIZ-UHFFFAOYSA-N |
6-methyl-4-oxo-3-chromenecarboxaldehyde - Physico-chemical Properties
| Molecular Formula | C11H8O3 |
| Molar Mass | 188.18 |
| Density | 1.47 g/cm3 |
| Melting Point | 172-173 °C (lit.) |
| Boling Point | 335.1±42.0 °C(Predicted) |
| Flash Point | 150.3°C |
| Vapor Presure | 0.000123mmHg at 25°C |
| Maximum wavelength(λmax) | 308nm(Dioxane)(lit.) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.664 |
6-methyl-4-oxo-3-chromenecarboxaldehyde - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| HS Code | 29329990 |
| Hazard Class | IRRITANT |
6-methyl-4-oxo-3-chromenecarboxaldehyde - Introduction
3-formyl-6-methylchromone is an organic compound with the chemical formula C10H8O2. The following is a description of its nature, use, preparation and safety information:
Nature:
3-formyl-6-methylchromone is a yellow solid with a distinctive odor. It has a melting point of 118-121 degrees Celsius and a boiling point of 392 degrees Celsius. It is insoluble in water and soluble in organic solvents.
Use:
3-formyl-6-methylchromone is widely used in some important reactions in chemical synthesis. It is an important photosensitizing dye used in the photographic and printing industries. In addition, it can also be used as a raw material in the field of medicine, such as an antioxidant, an antibacterial agent, etc.
Preparation Method:
3-formyl-6-methylchromone is usually prepared by acylation of phenol. The specific step is to react phenol with formic anhydride under acidic conditions to produce 3-formylphenol. The 3-formylphenol is then subjected to an aldol condensation reaction by using an appropriate acid catalyst to give 3-formyl-6-methylchromone.
Safety Information:
Regarding the safety information of 3-formyl-6-methylchromone, the following matters need to be noted:
1. It is a combustible and should avoid contact with fire sources.
2. during operation, should wear appropriate protective equipment, such as gloves and safety glasses.
3. if the external contact to the skin or eyes, should immediately rinse with plenty of water, and seek medical help.
4. When using or storing, keep it away from fire and oxidant.
5. during use, avoid inhaling dust or gas and keep good ventilation.
Nature:
3-formyl-6-methylchromone is a yellow solid with a distinctive odor. It has a melting point of 118-121 degrees Celsius and a boiling point of 392 degrees Celsius. It is insoluble in water and soluble in organic solvents.
Use:
3-formyl-6-methylchromone is widely used in some important reactions in chemical synthesis. It is an important photosensitizing dye used in the photographic and printing industries. In addition, it can also be used as a raw material in the field of medicine, such as an antioxidant, an antibacterial agent, etc.
Preparation Method:
3-formyl-6-methylchromone is usually prepared by acylation of phenol. The specific step is to react phenol with formic anhydride under acidic conditions to produce 3-formylphenol. The 3-formylphenol is then subjected to an aldol condensation reaction by using an appropriate acid catalyst to give 3-formyl-6-methylchromone.
Safety Information:
Regarding the safety information of 3-formyl-6-methylchromone, the following matters need to be noted:
1. It is a combustible and should avoid contact with fire sources.
2. during operation, should wear appropriate protective equipment, such as gloves and safety glasses.
3. if the external contact to the skin or eyes, should immediately rinse with plenty of water, and seek medical help.
4. When using or storing, keep it away from fire and oxidant.
5. during use, avoid inhaling dust or gas and keep good ventilation.
Last Update：2024-04-09 19:05:49
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