ChemicalBook >> CAS DataBase List >>alpha-Toluenesulfonyl chloride
alpha-Toluenesulfonyl chloride
- CAS No.
- 1939-99-7
- Chemical Name:
- alpha-Toluenesulfonyl chloride
- Synonyms
- PHENYLMETHANESULFONYL CHLORIDE;BENZYLSULFONYL CHLORIDE;PMS-CL;NSC 41894;Benzylsulfochloride;OTAVA-BB BB7020430779;BENZYLSULPHONYL CHLORIDE;BENZYL SULFONIC CHLORIDE;à-benzylsulfonyl chloride;BenzylsulfonylChloride>
- CBNumber:
- CB5356892
- Molecular Formula:
- C7H7ClO2S
- Molecular Weight:
- 190.65
- MDL Number:
- MFCD00007455
- MOL File:
- 1939-99-7.mol
- MSDS File:
- SDS
Last updated:2026-01-13 11:23:32
| Product description | Number | Pack Size | Price |
| Phenylmethanesulfonyl chloride 98% | 159719 | 5g | $39 |
| Phenylmethanesulfonyl chloride 98% | 159719 | 25g | $90 |
| Benzylsulfonyl Chloride >97.0%(T) | B0441 | 25g | $77 |
| Benzylsulfonyl Chloride >97.0%(T) | B0441 | 100g | $230 |
| α-ToluenesulfonylChloride | T631615 | 25g | $130 |
| More product size | |||
| Melting point | 92-94 °C(lit.) |
|---|---|
| Boiling point | 120 °C / 10mmHg |
| Density | 1.3264 (estimate) |
| refractive index | 1.624-1.626 |
| storage temp. | Inert atmosphere,2-8°C |
| solubility | soluble in Toluene |
| form | Crystalline Powder |
| color | Almost white |
| Water Solubility | decomposes |
| Sensitive | Moisture Sensitive |
| BRN | 972806 |
| InChI | 1S/C7H7ClO2S/c8-11(9,10)6-7-4-2-1-3-5-7/h1-5H,6H2 |
| InChIKey | OAHKWDDSKCRNFE-UHFFFAOYSA-N |
| SMILES | ClS(=O)(=O)Cc1ccccc1 |
| CAS DataBase Reference | 1939-99-7(CAS DataBase Reference) |
| FDA UNII | 5G7C8MSX2P |
| NIST Chemistry Reference | Benzenemethanesulfonyl chloride(1939-99-7) |
| EPA Substance Registry System | Benzenemethanesulfonyl chloride (1939-99-7) |
| UNSPSC Code | 12352100 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H314 | |||||||||
| Precautionary statements | P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges | |||||||||
| Hazard Codes | C | |||||||||
| Risk Statements | 34 | |||||||||
| Safety Statements | 26-36/37/39-45 | |||||||||
| RIDADR | UN 3261 8/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| F | 10-21 | |||||||||
| Hazard Note | Corrosive | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29049020 | |||||||||
| Storage Class | 8A - Combustible corrosive hazardous materials | |||||||||
| Hazard Classifications | Skin Corr. 1B | |||||||||
| Limited Quantities | 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | |||||||||
| NFPA 704 |
|
alpha-Toluenesulfonyl chloride price More Price(25)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 159719 | Phenylmethanesulfonyl chloride 98% | 1939-99-7 | 5g | $39 | 2023-06-20 | Buy |
| Sigma-Aldrich | 159719 | Phenylmethanesulfonyl chloride 98% | 1939-99-7 | 25g | $90 | 2023-06-20 | Buy |
| TCI Chemical | B0441 | Benzylsulfonyl Chloride >97.0%(T) | 1939-99-7 | 25g | $77 | 2025-07-31 | Buy |
| TCI Chemical | B0441 | Benzylsulfonyl Chloride >97.0%(T) | 1939-99-7 | 100g | $230 | 2025-07-31 | Buy |
| TRC | T631615 | α-ToluenesulfonylChloride | 1939-99-7 | 25g | $130 | 2021-12-16 | Buy |
alpha-Toluenesulfonyl chloride Chemical Properties,Uses,Production
Chemical Properties
almost white crystalline powder
Uses
a-Toluenesulfonyl Chloride inhibits intracellular protein breakdown in the L1210 ascites leukemia in mouse. It also functions as a reagent for the protection of amino groups as benzylsulfonamides which can be cleaved off through reduction.
Synthesis Reference(s)
The Journal of Organic Chemistry, 16, p. 621, 1951 DOI: 10.1021/jo01144a013
Synthesis, p. 1203, 1992 DOI: 10.1055/s-1992-26333
General Description
Phenylmethanesulfonyl chloride is an aliphatic sulfonyl chloride. It reacts with triethylamine in methylene chloride or ether to yield trans-stilbene and cis diphenylethylene sulfone. Its reaction with 1,1-bis(diethylamino)ethane has been studied. Addition of phenylmethanesulfonyl chloride to 1,3-diphenyl-2-pyrrolidinopropene in the presence of water was studied.
alpha-Toluenesulfonyl chloride Preparation Products And Raw materials
Global( 275)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Bao Enluo International TradeCo.，LTD | +86-17331933971 | deasea125996@gmail.com | China | 2472 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20128 | 58 |
| HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD | +86-15350851019; +8615350851019 | admin@86-ss.com | China | 999 | 58 |
| Capot Chemical Co.,Ltd. | +86-（0）57185586718; +8613336195806 | sales@capot.com | China | 29735 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 13636 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21599 | 55 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 33024 | 60 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +8618949832763 | info@tnjchem.com | China | 2988 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29833 | 58 |
| Yunbio Tech Co.,Ltd. | +86-010-60605551 +86-18046518538 | yunbiochem@126.com | China | 321 | 58 |
View Lastest Price from alpha-Toluenesulfonyl chloride manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-01-29 | alpha-Toluenesulfonyl chloride
1939-99-7
|
US $99.00-66.00 / kg | 0.0010000000474974513kg | 99% | 5000 | HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD | |
 |
2025-09-26 | alpha-Toluenesulfonyl chloride
1939-99-7
|
US $105.00-95.00 / Kilograms | 1Kilograms | 99% | 100tons | Hebei Dangtong Import and export Co LTD | |
 |
2025-09-25 | alpha-Toluenesulfonyl chloride
1939-99-7
|
US $100.00-1.00 / KG | 1KG | 99% | g-kg-tons, free sample is available | Henan Fengda Chemical Co., Ltd |
-
- alpha-Toluenesulfonyl chloride
1939-99-7
- US $99.00-66.00 / kg
- 99%
- HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
-
- alpha-Toluenesulfonyl chloride
1939-99-7
- US $105.00-95.00 / Kilograms
- 99%
- Hebei Dangtong Import and export Co LTD
-
- alpha-Toluenesulfonyl chloride
1939-99-7
- US $100.00-1.00 / KG
- 99%
- Henan Fengda Chemical Co., Ltd
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alpha-Toluenesulfonyl chloride ISO 9001：2015 REACH
α-Toluenesulfonyl Chloride
Benzenemethanesulfonyl chloride (9CI, ACI)
a-ToIuenesuIfonyI Chloride
1939-99-7
C6H5CH2SO2Cl
Sulfur Compounds
Sulfonyl Halides
Organic Building Blocks
Building Blocks
Building Blocks
Chemical Synthesis
Organic Building Blocks
Sulfonyl Halides
Sulfur Compounds
Pharmaceutical Intermediates
Benzene derivatives
Benzenesulfonyl chloride
