Tetrahydrothiophene CAS#110-01-0

Excellent Odor Detection Performance: Tetrahydrothiophene can be detected in air at concentrations as low as 0.01 ppm, providing highly effective leak-warning performance.


Stable and Long-Lasting Odorant: It offers good chemical stability and is not easily lost by volatilization, ensuring reliable long-term odorization in gas systems.


Non-Corrosive to Equipment and Pipelines: The product is non-corrosive to gas equipment, transportation pipeline gaskets, and related materials, helping protect infrastructure integrity.


No Olfactory Fatigue Risk: It does not cause habitual desensitization of the human sense of smell, making it a safer and more dependable odorant for LPG and natural gas applications.


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Product Description

Product Description of Tetrahydrothiophene CAS#110-01-0

Tetrahydrothiophene is a colorless volatile cyclic thioalkane, insoluble in water but soluble in common organic solvents.

It has a pungent recognizable smell detectable at ultra-low concentration, featuring stable property and low volatility. Non-corrosive and free of olfactory fatigue, it is widely used as high-grade odorant for natural gas and liquefied gas to replace ethyl mercaptan.


Product Application of Tetrahydrothiophene CAS#110-01-0

Tetrahydrothiophene serves as solvent and fuel gas odorant, ideal for mine fire safety leakage alert. It also acts as an organic catalyst to synthesize substituted furfuryl alcohol benzoates.

Product Information

Parameters


Melting point-96 °C (lit.)
Boiling point119 °C (lit.)
density1 g/mL at 25 °C (lit.)
vapor pressure18 mm Hg ( 25 °C)
refractive indexn20/D 1.504(lit.)
Fp55 °F
storage temp.Store below +30°C.
solubilityimmiscible
formliquid
Specific Gravity1.002 (20/4℃)
colorColorless to Almost colorless
OdorSmells of rotting eggs
PH7 (H2O, 20℃)
explosive limit1.1-12.1%(V)
Odor Threshold0.00062ppm
Odor Typesulfurous
Water Solubilityimmiscible
Merck149218
BRN102392
Dielectric constant8.61
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.
LogP1.8 at 20℃
CAS DataBase Reference110-01-0(CAS DataBase Reference)
NIST Chemistry ReferenceThiophene, tetrahydro-(110-01-0)
EPA Substance Registry SystemTetrahydrothiophene (110-01-0)


Safety Information


Hazard CodesF,Xn
Risk Statements11-20/21/22-36/38-52/53
Safety Statements16-23-36/37-61
RIDADRUN 2412 3/PG 2
WGK Germany2
RTECSXN0370000
Autoignition Temperature202 °C
TSCAYes
HazardClass3
PackingGroupII
HS Code29349990
Hazardous Substances Data110-01-0(Hazardous Substances Data)
ToxicityLD50 by inhalation in mice: 26.7 mg/l (Carlucci)


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FAQ

Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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