3-thiophenesulfonyl chloride

Modify Date: 2026-07-01 17:43:23

3-thiophenesulfonyl chloride Structure
3-thiophenesulfonyl chloride structure
Common Name 3-thiophenesulfonyl chloride
CAS Number 51175-71-4 Molecular Weight 182.64800
Density 1.58g/cm3 Boiling Point 101-103ºC
Molecular Formula C4H3ClO2S2 Melting Point 44ºC
MSDS N/A Flash Point 114.2ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Thiophene-3-sulfonyl chloride
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.58g/cm3
Boiling Point 101-103ºC
Melting Point 44ºC
Molecular Formula C4H3ClO2S2
Molecular Weight 182.64800
Flash Point 114.2ºC
Exact Mass 181.92600
PSA 70.76000
LogP 2.75640
Index of Refraction 1.581
InChIKey YSPWSQNKRBSICH-UHFFFAOYSA-N
SMILES O=S(=O)(Cl)c1ccsc1
Storage condition Store under Nitrogen

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Name: 3-Thiophenesulfonyl chloride 95+% Material Safety Data Sheet
Synonym:
CAS: 51175-71-4
Section 1 - Chemical Product MSDS Name:3-Thiophenesulfonyl chloride 95+% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
51175-71-4 3-Thiophenesulfonyl chloride 95+% unlisted
Hazard Symbols: C
Risk Phrases: 34

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Causes burns.Moisture sensitive.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use foam, dry chemical, or carbon dioxide.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - HANDLING and STORAGE
Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Corrosives area. Store under nitrogen.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 51175-71-4: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: colorless
Odor: pungent odor
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 101 - 103 deg C
Freezing/Melting Point: 44 - 46 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C4H3ClO2S2
Molecular Weight: 183

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents, bases.
Hazardous Decomposition Products:
Hydrogen chloride, chlorine, carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 51175-71-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3-Thiophenesulfonyl chloride - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.*
Hazard Class: 8
UN Number: 3261
Packing Group: III
IMO
Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3261
Packing Group: III
RID/ADR
Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3261
Packing group: III

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 51175-71-4: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 51175-71-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 51175-71-4 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes C
Risk Phrases R34
Safety Phrases 26-36/37/39
RIDADR UN 3261
Packaging Group Ⅲ
HS Code 2934999090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~72%

3-thiophenesulfonyl chloride Structure

3-thiophenesulf...

CAS#:51175-71-4

Learn More
Literature: Texas Biotechnology Corp. Patent: US6342610 B2, 2002 ; Location in patent: Page column 58 ; US 6342610 B2

~%

3-thiophenesulfonyl chloride Structure

3-thiophenesulf...

CAS#:51175-71-4

Learn More
Literature: Debergh, J. Robb; Niljianskul, Nootaree; Buchwald, Stephen L. Journal of the American Chemical Society, 2013 , vol. 135, # 29 p. 10638 - 10641

~%

3-thiophenesulfonyl chloride Structure

3-thiophenesulf...

CAS#:51175-71-4

Learn More
Literature: Steinkopf et al. Justus Liebigs Annalen der Chemie, 1934 , vol. 512, p. 136,156

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  3

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

thiophene-3-sulfonyl chloride

 3-thiophenesulfonyl chloride | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of Thiophene-3-sulfonyl chloride?
A: CAS number of Thiophene-3-sulfonyl chloride is 51175-71-4.
Q: What is the boiling point of Thiophene-3-sulfonyl chloride?
A: Boiling point of Thiophene-3-sulfonyl chloride is 101-103ºC.
Q: What is the safety information for Thiophene-3-sulfonyl chloride?
A: Safety information for Thiophene-3-sulfonyl chloride: 26-36/37/39.
Q: What are the downstream products of Thiophene-3-sulfonyl chloride?
A: Related downstream products(CAS) of Thiophene-3-sulfonyl chloride: 111711-67-2;69824-57-3;64255-63-6.
Q: What is the molecular formula of Thiophene-3-sulfonyl chloride?
A: Molecular formula of Thiophene-3-sulfonyl chloride is C4H3ClO2S2.
Q: What is the SMILES notation of Thiophene-3-sulfonyl chloride?
A: SMILES notation of Thiophene-3-sulfonyl chloride is O=S(=O)(Cl)c1ccsc1.
Q: What English synonyms does Thiophene-3-sulfonyl chloride have?
A: English synonyms of Thiophene-3-sulfonyl chloride: thiophene-3-sulfonyl chloride.
Q: What are the storage conditions for Thiophene-3-sulfonyl chloride?
A: Storage conditions for Thiophene-3-sulfonyl chloride: Store under Nitrogen.
Q: What is the InChIKey of Thiophene-3-sulfonyl chloride?
A: InChIKey of Thiophene-3-sulfonyl chloride is YSPWSQNKRBSICH-UHFFFAOYSA-N.
Q: What are the upstream materials of Thiophene-3-sulfonyl chloride?
A: Related upstream materials(CAS) of Thiophene-3-sulfonyl chloride: 872-31-1;6165-69-1;858840-32-1.

 3-thiophenesulfonyl chloridefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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