2,5-Thiophenedicarboxaldehyde

The 2,5-Thiophenedicarboxaldehyde, with its CAS registry number 932-95-6, has the IUPAC name of thiophene-2,5-dicarbaldehyde. Being a kind of pale brown-orange to pale brown powder, its product categories are including Aldehydes; Thiophenes & Benzothiophenes; Thiophene; Heterocyclic Compounds; Thiophenes & Benzothiophenes; Building Blocks; Heterocyclic Building Blocks; Thiophenes.

The physical properties of this chemical are as below: (1)ACD/LogP: 0.42; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.42; (4)ACD/LogD (pH 7.4): 0.42; (5)ACD/BCF (pH 5.5): 1.24; (6)ACD/BCF (pH 7.4): 1.24; (7)ACD/KOC (pH 5.5): 40.5; (8)ACD/KOC (pH 7.4): 40.5; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 62.38; (13)Index of Refraction: 1.668; (14)Molar Refractivity: 38.14 cm³; (15)Molar Volume: 102.2 cm³; (16)Polarizability: 15.12×10^-24 cm³; (17)Surface Tension: 56.6 dyne/cm; (18)Density: 1.37 g/cm³; (19)Flash Point: 136.5 °C; (20)Enthalpy of Vaporization: 54.22 kJ/mol; (21)Boiling Point: 302 °C at 760 mmHg; (22)Vapour Pressure: 0.00102 mmHg at 25°C; (23)Exact Mass: 139.9932; (24)MonoIsotopic Mass: 139.9932; (25)Topological Polar Surface Area: 62.4; (26)Heavy Atom Count: 9; (27)Complexity: 110.

Use of this chemical: 2,5-Thiophenedicarboxaldehyde could react with propylamine to produce propyl-(5-propyliminomethyl-thiophen-2-ylmethylene)-amine. This reaction happens in the presence of the solvent of methanol in ambient temperature with the yield of 85%.

When you are dealing with this chemical, you should be careful. This chemical is irritating to eyes, respiratory system and skin and may cause inflammation to the skin or other mucous membranes. Therefore, you should wear suitable protective clothing. And if in case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: C1=C(SC(=C1)C=O)C=O
(2)InChI: InChI=1S/C6H4O2S/c7-3-5-1-2-6(4-8)9-5/h1-4H
(3)InChIKey: OTMRXENQDSQACG-UHFFFAOYSA-N