Thiazole-5-carboxaldehyde

The Thiazole-5-carboxaldehyde with CAS registry number of 1003-32-3 is also known as 5-Formylthiazole. The IUPAC name is 1,3-Thiazole-5-carbaldehyde. It belongs to product categories of Aldehydes; Blocks; Thiazoles; Building Blocks; Heterocyclic Building Blocks; Thiazole. In addition, the formula is C₄H₃NOS and the molecular weight is 113.14. This chemical may cause inflammation to the skin or other mucous membranes and also may cause damage to health.

Physical properties about Thiazole-5-carboxaldehyde are: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 11.521; (4)ACD/KOC (pH 7.4): 11.521; (5)#H bond acceptors: 2; (6)#Freely Rotating Bonds: 1; (7)Index of Refraction: 1.621; (8)Molar Refractivity: 29.481 cm³; (9)Molar Volume: 83.803 cm³; (10)Surface Tension: 56.384 dyne/cm; (11)Density: 1.35 g/cm³; (12)Flash Point: 88.311 °C; (13)Enthalpy of Vaporization: 45.887 kJ/mol; (14)Boiling Point: 222.41 °C at 760 mmHg; (15)Vapour Pressure: 0.102 mmHg at 25 °C.

Preparation of Thiazole-5-carboxaldehyde: it is prepared by reaction of 2,4-dibromothiazole-5-carbaldehyde. The reaction needs reagents H₂, NaOAc*3H₂O, catalyst Pd/C and solvent methanol at the temperature of 23 °C for 12 hours. The yield is about 91%.

Uses of Thiazole-5-carboxaldehyde: it is used to produce thiazole-5-carbaldehyde oxime. The reaction occurs with reagents NH₂OH*HCl, 20 percent aq. NaOH and solvent ethanol with other condition of heating for 40 minutes. The yield is about 85%.

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. It is harmful if swallowed and may cause sensitisation by skin contact. During using it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1=C(SC=N1)C=O
2. InChI: InChI=1S/C4H3NOS/c6-2-4-1-5-3-7-4/h1-3H
3. InChIKey: ZXRLWHGLEJGMNO-UHFFFAOYSA-N