3,4-DIHYDRO-2H-PYRAN-5-CARBALDEHYDE

This chemical is called 2H-Pyran-5-carboxaldehyde, 3,4-dihydro-, and its systematic name is 3,4-dihydro-2H-pyran-5-carbaldehyde. With the molecular formula of C₆H₈O₂, its molecular weight is 112.13. The CAS registry number of this chemical is 25090-33-9.

Other characteristics of the 2H-Pyran-5-carboxaldehyde, 3,4-dihydro- can be summarised as followings: (1)ACD/LogP: 0.32; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.32; (4)ACD/LogD (pH 7.4): 0.32; (5)ACD/BCF (pH 5.5): 1.03; (6)ACD/BCF (pH 7.4): 1.03; (7)ACD/KOC (pH 5.5): 35.54; (8)ACD/KOC (pH 7.4): 35.54; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 26.3 Å²; (13)Index of Refraction: 1.56; (14)Molar Refractivity: 30.87 cm³; (15)Molar Volume: 95.3 cm³; (16)Polarizability: 12.23×10^-24cm³; (17)Surface Tension: 50.1 dyne/cm; (18)Density: 1.175 g/cm³; (19)Flash Point: 71.2 °C; (20)Enthalpy of Vaporization: 41.85 kJ/mol; (21)Boiling Point: 182.2 °C at 760 mmHg; (22)Vapour Pressure: 0.819 mmHg at 25°C.

Production method of this chemical: The 2H-Pyran-5-carboxaldehyde, 3,4-dihydro- could be obtained by the reactant of 3-diethoxymethyl-2-ethoxy-tetrahydro-pyran. This reaction needs the reagent of aq. H₃PO₄. The yield is 92 %. In addition, this reaction should be taken for 6 hours at the temperature of 90 °C.

Uses of this chemical: The 3-Amino-2-(3-hydroxypropyl)acrolein could be obtained by the reactant of 2H-Pyran-5-carboxaldehyde, 3,4-dihydro-. This reaction needs the reagent of conc. NH₃. The yield is 78 %. This reaction should be taken at the temperature of -5 °C.

When you are using this chemical, please be cautious about it as the following: This chemical is irritating to eyes, respiratory system and skin. You should wear suitable protective clothing if you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1.SMILES: O=C\C1=C\OCCC1
2.InChI: InChI=1/C6H8O2/c7-4-6-2-1-3-8-5-6/h4-5H,1-3H2
3.InChIKey: WWZVSCJTMPYTLY-UHFFFAOYAS