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Tetrahydrothiophene 110-01-0

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Unit Price:

$2-2.1/KG FOB

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CAS No.:

110-01-0

Grade:

Industrial Grade

Content:

99%

Port:

shanghai

Brand:

Orient

Packaging:

25kg/bag,500kg/bag, customized

Price valid (until):

2026-12-31

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Qingdao Orient Chemical Co.,LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

pharmaceutical intermediates,peptides,electronic chemicals

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Product Description
Seller Information
Inquiry History

Description

Tetrahydrothiophene Basic information

Product Name:	Tetrahydrothiophene
Synonyms:	TETRAHYDROTHIOPHENE, 1000MG, NEAT;TETRAHYDROTHIOPHEN 99%(GC);thiophane,tetrahydrothiophene,tetramethylenesulfide,thiolane;Thiophene, tetrahydro-;Tetramethylene sulfide, Thiolane, Thiophane;Tetrahydrothiophene,98%;Tetrahydrothiophene,Tetramethylene sulfide, Thiolane, Thiophane,;Tetrahydrothiophene (THT)
CAS:	110-01-0
MF:	C4H8S
MW:	88.17
EINECS:	203-728-9
Product Categories:	Building Blocks;C4 to C6;Chemical Synthesis;Heterocyclic Building Blocks;Thiophenes
Mol File:	110-01-0.mol

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	n20/D 1.504(lit.)
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℃)
Odor Threshold	0.00062ppm
Odor Type	sulfurous
explosive limit	1.1-12.1%(V)
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)

Tetrahydrothiophene Usage And Synthesis

Chemical Properties	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.
Uses	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.
Uses	Tetrahydrothiophene is used as pharmaceutical and agrochemical intermediates.
Preparation	Tetrahydrothiophene is prepared by the reaction of hydrogen sulfide and furan in the vapor phase at 400°C. This vapor-phase reaction is catalyzed by alumina(Al2O3) and other heterogenous acid catalysts.
Definition	ChEBI: Tetrahydrothiophene is a saturated organic heteromonocyclic parent and a member of tetrahydrothiophenes.
General Description	A water-white liquid. About the same density as water and insoluble in water. Flash point near 20°F. Vapors heavier than air. Used as a solvent and to make other chemicals.
Air & Water Reactions	Highly flammable. Insoluble in water.
Reactivity Profile	Organosulfides, such as Tetrahydrothiophene, are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. Many of these compounds may liberate hydrogen sulfide upon decomposition or reaction with an acid. Slow addition of hydrogen peroxide to the thiophene resulted in explosions on three occasions, Chem. Eng. News, 1974, 52(39), 3.
Health Hazard	May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard	HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Safety Profile	Mildly toxic by inhalation. Flammable liquid. Potentially explosive reaction with hydrogen peroxide. When heated to decomposition it emits toxic fumes of SOx.
Purification Methods	The crude material is purified by crystallisation of the mercuric chloride complex to a constant melting point. It is then regenerated, washed, dried, and fractionally distilled. [Whitehead et al. J Am Chem Soc 73 3632 1951.] It has been dried over Na2SO4 and distilled in a vacuum [Roberts & Friend J Am Chem Soc 108 7204 1986]. [Beilstein 17 I 5, 17 II 15, 17 III/IV 34, 17/1 V 36.]

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—— Q&A ——

Q1:Do you provide sample?

A: Yes, we can provide free sample, you only need pay the shipping cost.

Q2: What is the lead time?

A: For stock goods, it usually take about 5-7 days by air, 15-30 days by sea,For customized products, the delivery time needs to be confirmed based on the actual situation.

Q3: How can I buy? What is the payment method?

A: You can contract us through Email or you can browse our website:orientchem.cc, we have bank transfer,

Q4:What if there are quality issues？

A：We attach great importance to after-sales service of our products. If there are any quality issues, please contact us within 30 days of receiving the goods and we will handle returns and exchanges for you.

Certificates

Basic Info

Product Name:

Tetrahydrothiophene

Other Name:

Thiophene,tetrahydro-;Tetrahydrothiophene;Tetramethylene sulfide;Thiacyclopentane;Thilane;Thiolane;Thiophane;Tetrahydrothiophen;THT;NSC 5272

CAS No.:

110-01-0

Molecular Formula:

C4H8S

InChIKeys:

InChIKey=RAOIDOHSFRTOEL-UHFFFAOYSA-N

Molecular Weight:

88.17130

Exact Mass:

88.17

EC Number:

203-728-9

UNII:

744EHT13FM

ICSC Number:

0677

NSC Number:

5272

UN Number:

2412

DSSTox ID:

DTXSID3047760

Color/Form:

WATER-WHITE LIQUID

HScode:

2942000000

Categories:

Sweeteners

Characteristics

PSA:

25.30000

XLogP3:

1.51340

Appearance:

Tetrahydrothiophene appears as a water-white liquid. About the same density as water and insoluble in water. Vapors heavier than air. Used as a solvent and to make other chemicals.

Density:

0.9987 g/cm³ @ Temp: 20 °C

Melting Point:

-96.16 °C

Boiling Point:

121.12 °C @ Press: 760 Torr

Flash Point:

13ºC

Refractive Index:

1.503-1.505

Water Solubility:

H2O: immiscible

Storage Conditions:

Flammables area

Vapor Pressure:

18 mm Hg ( 25 °C)

Vapor Density:

Relative vapour density (air = 1): 3.05

Explosive limit:

vol% in air: 1.12.3

Odor:

Stench.

OH:

1.97e-11 cm3/molecule*sec

Experimental Properties:

WEIGHT/VOLUME CONVERSION: 3.60 MG/CU M= 1 PPM

Air and Water Reactions:

Highly flammable. Insoluble in water.

Reactive Group:

Sulfides, Organic

Reactivity Alerts:

Highly Flammable

Reactivity Profile:

Organosulfides, such as TETRAHYDROTHIOPHENE, are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. Many of these compounds may liberate hydrogen sulfide upon decomposition or reaction with an acid. Slow addition of hydrogen peroxide to the thiophene resulted in explosions on three occasions, Chem. Eng. News, 1974, 52(39), 3.

Autoignition Temperature:

200 °C

Physical Dangers:

The vapour is heavier than air and may travel along the ground; distant ignition possible.

See More Tetrahydrothiophene Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 2

Acute toxicity - Category 4, Oral

Acute toxicity - Category 4, Dermal

Skin irritation, Category 2

Eye irritation, Category 2

Acute toxicity - Category 4, Inhalation

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H225 Highly flammable liquid and vapour H302 Harmful if swallowed H312 Harmful in contact with skin H315 Causes skin irritation H319 Causes serious eye irritation H332 Harmful if inhaled H412 Harmful to aquatic life with long lasting effects
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment.
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower]. P370+P378 In case of fire: Use ... to extinguish. P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P317 Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse. P332+P317 If skin irritation occurs: Get medical help. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
Storage	P403+P235 Store in a well-ventilated place. Keep cool.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Fireproof. Separated from strong oxidants. Cool. Store in an area without drain or sewer access.

See More Tetrahydrothiophene Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

A reliable supplier is like insurance.

We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
Integrity is the foundation, quality is life. We would like to work together with you to build a greener and brighter future.

Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

38 Inquiries

Country	Product	Purchase Quantity	Date Posted
Spain	(THT) Gas Odorant (Tetrahydrothiophene Cyclic Sulfide) Tetrahydrothiophene 110-01-0	1400 MT	Jul 14, 2025
United States	Tetrahydrothiophene	100 TON	Apr 9, 2025
Egypt	Tetrahydrothiophene Industrial Grade	50 MT	Oct 10, 2023
Nigeria	tetrahydrothiophene odorant	1 KG	Aug 4, 2025
Egypt	tetrahydrothiophene	400 TON	Jul 28, 2025
Algeria	tetrahydrothiophene	20000 KG	Jul 2, 2025
Nigeria	Tetrahydrothiophene	1600 L	Dec 11, 2024
United States	Tetrahydrothiophene	40000 KG	Apr 22, 2024
Bangladesh	Tetrahydrothiophene	5000 KG	Feb 12, 2024
Bangladesh	tetrahydrothiophene cycle sulfide	5000 KG	Dec 29, 2023
Egypt	Manufactory Supply: Tetrahydrothiophene, THT, CAS# 110-01-0, Odorant for Natural Gas	10 MT	Oct 3, 2023
Turkmenistan	Manufactory Supply: Tetrahydrothiophene, THT, CAS# 110-01-0, Odorant for Natural Gas	64 MT	Sep 19, 2023
United Arab Emirates	Tetrahydrothiophene	20000 KG	Sep 18, 2023
Algeria	Tetrahydrothiophene	1 MT	Jun 26, 2026
Bangladesh	Tetrahydrothiophne cyclic sulfide	5000 KG	Apr 12, 2026
Nigeria	Tetrahydrothiophene	1 MT	Jan 22, 2026
France	THT	600 L	Dec 8, 2025
Tanzania	THT odorant	1 MG	Nov 24, 2025
Singapore	Tetrahydrothiophene Cyclic Sulfide	5000 KG	Oct 10, 2025
India	TetraHydroThiophene	20 MT	Sep 17, 2025

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