2H-Pyran-2-one, 3-hydroxy- - Names and Identifiers
2H-Pyran-2-one, 3-hydroxy- - Physico-chemical Properties
Molecular Formula | C5H4O3
|
Molar Mass | 112.08 |
Density | 1.2552 (rough estimate) |
Melting Point | 93.8°C |
Boling Point | 149.97°C (rough estimate) |
Flash Point | 146.7°C |
Water Solubility | 43.1g/L(0 ºC) |
Solubility | Chloroform, Methanol (Slightly) |
Vapor Presure | 0.000155mmHg at 25°C |
Appearance | Solid |
Color | Light Beige to Beige |
pKa | 8.13±0.20(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.4390 (estimate) |
2H-Pyran-2-one, 3-hydroxy- - Introduction
Also known as vanillin (coumarin), is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: It is a white crystalline solid, or it can be a light yellow to brown crystalline powder.
-Solubility: It is soluble in ethanol, methanol, ether and chloroform, difficult to dissolve in water.
-Smell: It has a vanilla-like aroma.
Use:
-Food and spices: It has a good aroma and is widely used as an additive in food, spices and perfumes. It can give the product the smell of vanilla, almond and vanilla smoke.
-Medicine: The compound also has applications in the field of medicine, such as the treatment of patients with lymphoma and leukemia.
Preparation Method:
-Lin can be prepared by different synthetic methods, the most commonly used method is through the reaction of marin acid (malic acid) and acetic anhydride (acetic anhydride) in the acid-catalyzed condensation reaction.
Safety Information:
-is generally considered to be a relatively safe compound with no apparent acute toxicity.
-But for some people, such as pregnant and lactating women, and some people with allergies, there may be a risk of allergic reactions.
-When using or handling, avoid inhaling dust, avoid direct contact with skin and eyes, and take appropriate personal protective measures when necessary.
Last Update:2024-04-09 02:00:46