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Tetrahydrothiophene CAS#：110-01-0
CAS Number: 110-01-0
Chemical Formula: C4H8S
Synonyms:
TETRAHYDROTHIOPHENE
TETRAHYDROTHIOPHEN 99%(GC)
thiophane
Appearance: Colorless liquid
HS Code: 29349990
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Products Description of Tetrahydrothiophene CAS#：110-01-0
Tetrahydrothiophene is cyclic thioalkane, namely, saturated analog of thiophene. It is a colorless transparent volatile liquid, insoluble in water, miscible in ethanol, ether, benzene, acetone. It has a strong unpleasant odor, is stable and not easily emitted, and can be smelled in the air at 0.01PPm. It is not corrosive to gas equipment, transportation pipeline gaskets and other materials, and does not produce habitual blunting of the human sense of smell, so it is used as an odorant in LPG and natural gas, outlawing the original use of ethyl mercaptan and other odor-assigning agents.
| Tetrahydrothiophene Chemical Properties |
| Melting point | -96 °C (lit.) |
| Boiling point | 119 °C (lit.) |
| density | 1 g/mL at 25 °C (lit.) |
| vapor pressure | 18 mm Hg ( 25 °C) |
| refractive index | n |
| Fp | 55 °F |
| storage temp. | Store below +30°C. |
| solubility | immiscible |
| form | liquid |
| Specific Gravity | 1.002 (20/4℃) |
| color | Colorless to Almost colorless |
| Odor | Smells of rotting eggs |
| PH | 7 (H2O, 20℃) |
| explosive limit | 1.1-12.1%(V) |
| Odor Threshold | 0.00062ppm |
| Odor Type | sulfurous |
| Water Solubility | immiscible |
| Merck | 14,9218 |
| BRN | 102392 |
| Dielectric constant | 8.6099999999999994 |
| Stability: | Highly flammable. Vapour-air mixtures explosive in some proportions; note low flash point and fairly wide explosion limit range. Heavier than air, so potentially explosive mixtures may travel considerable distances to source of ignition. |
| LogP | 1.8 at 20℃ |
| CAS DataBase Reference | 110-01-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Thiophene, tetrahydro-(110-01-0) |
| EPA Substance Registry System | Tetrahydrothiophene (110-01-0) |
| Safety Information |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20/21/22-36/38-52/53 |
| Safety Statements | 16-23-36/37-61 |
| RIDADR | UN 2412 3/PG 2 |
| WGK Germany | 2 |
| RTECS | XN0370000 |
| Autoignition Temperature | 202 °C |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29349990 |
| Hazardous Substances Data | 110-01-0(Hazardous Substances Data) |
| Toxicity | LD50 by inhalation in mice: 26.7 mg/l (Carlucci) |
Product Application of Tetrahydrothiophene CAS#：110-01-0
Tetrahydrothiophene is a solvent and a fuel gas odorant used in fire safety stench warning systems in underground mines. Tetrahydrothiophene was also used as an organocatalyst for the reaction between enynediones and benzoic acid to afford highly substituted furfuryl alcohol benzoates.
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