7-Hydroxy-2-methylchromone, English name: 7-hydroxy-2-methyl-4H-chromen-4-one, CAS: 6320-42-9, Chemical formula: C10H8O3, Molecular weight: 176.17, Density: 1.319 ± 0
6320-42-9
7-Hydroxy-2-methylchromone (7-hydroxy-2-methyl-4H-chromen-4-one)
CAS: 6320-42-9
Chemical formula: C10H8O3
<"" ="xl" "">| Chinese name | 7-Hydroxy-2-methylchromone |
| English name | 7-hydroxy-2-methyl-4H-chromen-4-one |
| alias | Hydroxymethylcoumarin EP impurity B 7-Hydroxy-2-methylchromone Hydroxycoumarin impurity B (EP) standard 7-Hydroxy-2-methyl-4H-chromene-4-one Oxymethylcoumarin Impurity 2 (Oxymethylcoumarin EP Impurity B) 7-Hydroxy-2-methyl-4H-benzopyran-4-one |
| English alias | NSC 31894 Hymecromone EP Impurity B 7-Hydroxy-2-methylchromone 7-hydroxy-2-methyl-4H-chromen-4-one 7-Hydroxy-2-methyl-4H-1-benzopyran- 7-hydroxy-2-methyl-1-benzopyran-4-one 7-Hydroxy-2-Methyl-4H-1-benzopyran-4-one 4H-1-Benzopyran-4-one, 7-hydroxy-2-Methyl- Hymecromone Impurity 2 (Hymecromone EP Impurity B) |
| CAS | 6320-42-9 |
| chemical formula | C10H8O3 |
| molecular weight | 176.17 |
| density | 1.319±0.06 g/cm3(Predicted) |
| melting point | 254-255℃ |
| Boiling Point | 345.5±42.0 °C(Predicted) |
| acidity coefficient | 7.07±0.40(Predicted) |
| storage conditions | Inert atmosphere,Room Temperature |
| appearance | neat |
6320-42-9 - brief introduction
7-Hydroxy-2-methylchromone is an organic compound. It is a pale yellow crystalline solid, soluble in alcohols and ketone solvents, slightly soluble in water. The following is an introduction to the properties, uses, preparation methods and safety information of 7-hydroxy-2-methylchromone:Nature:
Appearance: Light yellow crystalline solid
Soluble: Soluble in alcohols and ketone solvents, slightly soluble in water
Purpose:
Chemical industry: can be used as an intermediate of organic compounds for the synthesis of other compounds.
Production method:
7-Hydroxy-2-methylchromone can usually be synthesized by the following steps:
Heterogeneous reaction: resorcinol is reacted with formic acid in the presence of sulfuric acid to form resorcinol-salt.
Acid-base neutralization: The resorcinol-salt is neutralized using an acid or base to obtain resorcinol.
Hydroxylation reaction: resorcinol is reacted with formic anhydride under alkaline conditions to generate 7-hydroxy-2-methylchromone.
Safety information:
7-Hydroxy-2-methylchromone is a chemical and should be followed by following safety operating procedures and personal protective measures.
It may cause irritation to the respiratory system, skin, and eyes. Contact should be avoided.
When storing and handling, avoid contact with oxidizing agents, strong acids, and strong bases to prevent fire and explosion hazards caused by sparks and static electricity.
- Please refer to the relevant safety data tables and regulations when using and disposing.Last Updated: 2024-04-09 15:18:14
