Is vanillin soluble in toluene?
Is vanillin soluble in toluene?
The crude product was dissolved in 70 ℃ in toluene, filtering after cooling to 18 to 20℃, suction and washing with a small amount of toluene to vanillin….121-33-5.
| Melting point | 81-83 °C(lit.) |
|---|---|
| refractive index | 1.4850 (estimate) |
| Fp | 147 °C |
| storage temp. | 2-8°C |
| solubility | methanol: 0.1 g/mL, clear |
What is vanillin soluble in?
Based on solubility data of this work, crystalline vanillin has been considered as freely soluble in PEG-400, Transcutol, EA, butanol-2, ethanol, EG, PG, IPA and butanol-1 and soluble in water according to USP classification of solubility.
Is vanillin soluble in ether?
Vanillin is very soluble in hot benzene, and petroleum ether and soluble in diethyl ether, acetone and. Vanillin is freely soluble in chloroform, carbon disulfide, glacial acetic acid, pyridine, oils, and in aqueous solutions of akali hydroxides.
What is the chemical properties of vanillin?
Vanillin is an organic compound with the molecular formula C 8H 😯 3. It is a phenolic aldehyde. Its functional groups include aldehyde, hydroxyl, and ether….Vanillin.
| Names | |
|---|---|
| Density | 1.056 g/cm3 |
| Melting point | 81 °C (178 °F; 354 K) |
| Boiling point | 285 °C (545 °F; 558 K) |
| Solubility in water | 10 g/L |
Why is vanillin not completely soluble in water?
Molecules containing only carbon and hydrogen are mostly insoluble in water. The oxygen-containing groups attached to the ring in vanillin can form strong hydrogen bonds with water, making it water soluble (about a gram of vanillin can be dissolved in 100 mL of cold water).
Is vanillin water soluble?
The amount of vanillin is well in excess of the reported solubility at all working temperatures (cf. fig. 2 – the solubility ranges from ~1 g/100 ml water at 20°C to ~5 g/100 ml water at 80°C).
Is vanillin soluble in Naoh?
Vanillin is mostly insoluble in water but soluble in aqueous sodium hydroxide solution? What did you add to make the vanillin dissolve and explain why it dissolves. What four purposes did aqueous hydrochloric acid serve in the reduction of vanillin to vanillyl alcohol?
Is vanillin soluble in water?
The amount of vanillin is well in excess of the reported solubility at all working temperatures (cf. fig. 2 -the solubility ranges from ~1 g/100 ml water at 20°C to ~5 g/100 ml water at 80°C).
Why is vanillin soluble?
The oxygen-containing groups attached to the ring in vanillin can form strong hydrogen bonds with water, making it water soluble (about a gram of vanillin can be dissolved in 100 mL of cold water).
Why does vanillin dissolve in water?
Is vanillin soluble in methanol?
The solubility of vanillin in methanol was 632.94 mg/mL, 375.81 mg/mL in ethanol and only 30 mg/mL in water.
