Tetrahydro-3-thiophenecarboxylic acid 1,1-dioxide

Modify Date: 2026-08-06 09:23:15

Tetrahydro-3-thiophenecarboxylic acid 1,1-dioxide Structure
Tetrahydro-3-thiophenecarboxylic acid 1,1-dioxide structure
Common Name Tetrahydro-3-thiophenecarboxylic acid 1,1-dioxide
CAS Number 4785-67-5 Molecular Weight 164.180
Density 1.5±0.1 g/cm3 Boiling Point 465.0±38.0 °C at 760 mmHg
Molecular Formula C5H8O4S Melting Point N/A
MSDS N/A Flash Point 235.0±26.8 °C

 Names

Name Tetrahydrothiophene-3-carboxylic acid 1,1-dioxide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 465.0±38.0 °C at 760 mmHg
Molecular Formula C5H8O4S
Molecular Weight 164.180
Flash Point 235.0±26.8 °C
Exact Mass 164.014328
PSA 79.82000
LogP -1.40
Vapour Pressure 0.0±2.5 mmHg at 25°C
Index of Refraction 1.537
InChIKey ASRQWTBGINUTIX-UHFFFAOYSA-N
SMILES O=C(O)C1CCS(=O)(=O)C1

 MSDS

Material Safety Data Sheet

Section1. Identification of the substance
Product Name: Tetrahydrothiophene-3-carboxylic acid 1,1-dioxide
Synonyms:

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.

Section3. Composition/information on ingredients.
Ingredient name:Tetrahydrothiophene-3-carboxylic acid 1,1-dioxide
CAS number:4785-67-5

Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Store in closed vessels.
Storage:

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Appearance:Not specified
Boiling point:No data
No data
Melting point:
Flash point:No data
Density:No data
Molecular formula:C5H8O4S
Molecular weight:164.2

Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, sulfur oxides.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

HS Code 2934999090

 Precursor & DownStream

Precursor  0

DownStream  1

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Bioassay

View more

Name: Cell survival assay for modulators of telomere damage signalling
Source: 15378
Target: N/A
External Id: TELO_02
Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: Chemical Probes of Kaposi's Sarcoma Herpes Virus Latent Infection
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: ORF 73 [Human herpesvirus 8 type M]
External Id: HMS791
Name: High-throughput screen for inhibitors of the GIV GBA-motif interaction with Galpha-i ...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS1303
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: Alphascreen assay for small molecules abrogating mHTT-CaM Interaction
Source: 24983
Target: Huntingtin
External Id: KUHTS-Muma KU-CaM-Htt INH-01
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
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 Synonyms

Tetrahydro-3-thiophenecarboxylic acid 1,1-dioxide
3-Thiophenecarboxylic acid, tetrahydro-, 1,1-dioxide
1,1-dioxothiolane-3-carboxylic acid
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