The 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde is a kind of thiophenes with the fomular C₇H₆O₃S. The systematic name of this product is 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde . With the CAS registry number 204905-77-1, it is also named as 2,3-Dihydrothieno[3,4-B][1,4]dioxin-5-ylcarbaldehyde ; Thieno[3,4-b]-1,4-dioxin-5-carboxaldehyde, 2,3-dihydro- . It can be used as synthesis material intermediate.

The 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde is harmful by inhalation, in contact with skin and if swallowed. It is irritating to eyes, respiratory system and skin. Do not breathe dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection.

The other characteristics of this product can be summarized as: (1)#H bond acceptors: 3 ; (2)#H bond donors: 0 ; (3)#Freely Rotating Bonds: 1 ; (4)Index of Refraction: 1.623 ; (5)Molar Refractivity: 42.16 cm³ ; (6)Molar Volume: 119.4 cm³ ; (7)Polarizability: 16.71×10^-24 cm³ ; (8)Surface Tension: 58.7 dyne/cm ; (9)Enthalpy of Vaporization: 55.21 kJ/mol ; (10)Vapour Pressure: 0.000572 mmHg at 25°C.

People can use the following data to convert to the molecule structure. SMILES: O=Cc1scc2OCCOc12; InChI: InChI=1/C7H6O3S/c8-3-6-7-5(4-11-6)9-1-2-10-7/h3-4H,1-2H2. 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde has many suppliers, such as Dongguan Albiya Energy Science and Technology Co., Ltd. and GCP Union Chemical (Zhengzhou) Co., Ltd..