Chemical Name:3-Hydroxy-2-methyl-4H-pyran-4-one
CAS No.: 118-71-8
Molecular formula: C6H6O3
Molecular weight: 126.11
Related Categories: Food & Feed Additive; Food & Feed ADDITIVES; Heterocycles; Food & Flavor Additives; Food Additives; Flavors (Flavours); Natural Equivalent and Artificial Flavors; Food Flavors; Synthetic Flavors;
Nature
Melting point | 160-164 °C(lit.) |
Boiling point | 205 °C |
Density | 1.046 g/mL at 25 °C |
Refractive index | n20/D 1.541 |
FEMA | 2656 | MALTOL |
Flash point | 198 °F |
Storage conditions | Store below +30°C. |
Solubility | methanol: 50 mg/mL, clear |
form | Liquid |
colour | Clear colorless |
PH value | 5.3 (0.5g/l, H2O) |
Explosive limit | 25% |
Water solubility | 1.2 g/100 mL (25 oC) |
Merck | 14,5713 |
BRN | 112169 |
CAS database | 118-71-8(CAS DataBase Reference) |
Chemical properties
White to yellowish needle crystal or crystalline powder. It has a special aroma like coke cream, and the dilute solution is strawberry. Volatile, sublimation at 93 ° C. 1 g of the sample is dissolved in 82 ml of water, 21 ml of ethanol, 80 ml of glycerin or 28 ml of propylene glycol, slightly soluble in benzene and diethyl ether, and insoluble in petroleum ether.
Natural products are found in fried malt, pine needles and chicory.
Use
GB 2760-1996 specifies the edible flavors that are permitted for use. It is mainly used to prepare strawberries, coffee, malt, nuts, herbs and various fruit flavors. For bread, the cake has just been baked. Commonly used in daily necessities, but the dosage is extremely low. It is used for pine needles and rose type, and has a warm and sweet effect. It is mainly used for food flavors, such as pineapple, strawberry and other fruit flavors, and is generally used as a sweetener.