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| | Thianaphthene-2-carboxylic acid Basic information | | Synthesis |
| | Thianaphthene-2-carboxylic acid Chemical Properties |
| Melting point | 241-244 °C (lit.) | | Boiling point | 280.44°C (rough estimate) | | density | 1.3242 (rough estimate) | | refractive index | 1.5480 (estimate) | | storage temp. | Keep in dark place,Sealed in dry,Room Temperature | | form | powder to crystal | | pka | 3.48±0.30(Predicted) | | color | White to Light yellow | | Water Solubility | Soluble in ethanol, acetone and chloroform. Insoluble in water. | | Merck | 14,9345 | | BRN | 124613 | | InChI | InChI=1S/C9H6O2S/c10-9(11)8-5-6-3-1-2-4-7(6)12-8/h1-5H,(H,10,11) | | InChIKey | DYSJMQABFPKAQM-UHFFFAOYSA-N | | SMILES | C12=CC=CC=C1C=C(C(O)=O)S2 | | CAS DataBase Reference | 6314-28-9(CAS DataBase Reference) | | NIST Chemistry Reference | Thianaphthene-2-carboxylic acid(6314-28-9) |
| Hazard Codes | Xi | | Risk Statements | 36/37/38 | | Safety Statements | 37/39-26-36 | | WGK Germany | 3 | | Hazard Note | Irritant | | HS Code | 29349990 | | Storage Class | 11 - Combustible Solids | | Hazard Classifications | Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| | Thianaphthene-2-carboxylic acid Usage And Synthesis |
| Synthesis | 2-Methylthiobenzaldehyde (2a) (30.0 g, 0.20 mol), magnesium oxide (3.0 g), and toluene (50.0 g) were added to a 250 mL three-necked flask equipped with a mechanical stirrer, thermometer, and water separator. The mixture was then heated to reflux, and chloroacetone (3a) (23.0 g, 0.24 mol) was added dropwise under vigorous stirring. Water produced during the reaction was separated. The reaction was completed within 4 hours. After the reaction was complete, insoluble substances were removed by filtration while keeping the mixture hot, and toluene was then removed under vacuum at 60°C. Thus, Thianaphthene-2-carboxylic acid was given. The yield was 83%. | | Chemical Properties | off-white to yellowish-beige crystalline powder | | Uses | Thianaphthene-2-carboxylic acid may be used for the fabrication of carboxylated conducting polymer/CNTs (carbon nanotubes) composites thin films. | | Synthesis Reference(s) | The Journal of Organic Chemistry, 21, p. 39, 1956 DOI: 10.1021/jo01107a007 | | General Description | Thianaphthene-2-carboxylic acid, a benzothiophene, is a heterocyclic sulfur compound. It undergoes degradation (23%) by employing a mixture of washed cells of Rhodococcus erythropolis DS-3 and Gordonia sp. C-6. |
| | Thianaphthene-2-carboxylic acid Preparation Products And Raw materials |
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