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
- TDS File:
- TDS
Last updated:2026-06-04 16:00:12
| 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 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(48)
| 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 | $62 | 2026-04-30 | Buy |
| TCI Chemical | B0441 | Benzylsulfonyl Chloride >97.0%(T) | 1939-99-7 | 100g | $184 | 2026-04-30 | Buy |
| Usbiological | 235445 | Benzenemethanesulfonyl chloride 98+% ≥98% | 1939-99-7 | 5g | $170 | 2026-06-03 | Buy |
alpha-Toluenesulfonyl chloride Chemical Properties, Uses, Production
Synthesis
Starting with benzaldehyde, a benzothiourea structure is generated through reduction, chlorination, and substitution reactions. Finally, alpha-Toluenesulfonyl chloride is obtained via sulfonyl chloride reaction.
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 Suppliers ( 283)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Huai Hua Binfengchem Co., Ltd | 0745-2866851 17711757908 | 3907837691@qq.com | China | 4755 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9409 | 55 |
| Energy Chemical | 400-0056266 18918157536; | sales8178@energy-chemical.com | China | 45000 | 61 |
| Capot Chemical Co., Ltd | +86 (0) 571 85 58 67 18 | China | 18187 | 66 | |
| shanghai science Bio-Pharmceutical.co,ltd. | 021-021-57872719 13761402923 | 245662540@qq.com | China | 299 | 60 |
| Nanjing Chemlin Chemical Co., Ltd | 025-83697070 13770331960 | info@chemlin.com.cn | China | 16307 | 64 |
View Latest Price from alpha-Toluenesulfonyl chloride manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-10-15 | alpha-Toluenesulfonyl chloride
1939-99-7
|
$66.00-99.00 | 99% | 5000 | HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD | ||
 |
2026-09-02 | alpha-Toluenesulfonyl chloride
1939-99-7
|
$1.00-100.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd | ||
 |
2026-08-21 | alpha-Toluenesulfonyl chloride
1939-99-7
|
$95.00-105.00 | 1Kilograms | 99% | 100tons | Hebei Dangtong Import and export Co LTD |
-
- alpha-Toluenesulfonyl chloride
1939-99-7
- $66.00-99.00
- 99%
- HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
-
- alpha-Toluenesulfonyl chloride
1939-99-7
- $1.00-100.00
- 99%
- Henan Fengda Chemical Co., Ltd
-
- alpha-Toluenesulfonyl chloride
1939-99-7
- $95.00-105.00
- 99%
- Hebei Dangtong Import and export Co LTD
1939-99-7 (alpha-Toluenesulfonyl chloride) Related Search:
α-Toluenesulfonyl chloride ,98%
Benzylsulfonyl chlorideDISC 06/12/2000
Phenylmethanesulphonyl chloride
alpha-Toluenesulfonyl chloride, 98% 5GR
NSC 41894
Toluen-alphaSulfonyl chloride
ALPHA TOLUENE SULHONYL CHLORIDE
Benzenemethanesulfonylchloride
Benzylsulfochloride
Methanesulfonyl chloride, phenyl-
Phenylmethane sulfo chloride
Benzenemethanesulfonic acid chloride
Phenylmethanesulfonic acid chloride
PhenylMethanesulfonyl chloride 98%
alpha-Toluenesulfonyl chloride,98%
A-TOLUENESULFONYL CHLORIDE
BENZYLSULPHONYL CHLORIDE
OTAVA-BB BB7020430779
PMS-CL
PHENYLMETHYLSULFONYLCHLORIDE
ALPHA-TOLUENESULFONYL CHLORIDE
ALPHA-TOLUENESULPHONYL CHLORIDE
ALPHA-TOLYLSULFONYL CHLORIDE
alpha-Benzylsulphonyl chloride~Phenylmethanesulphonyl chloride~Phenylmethylsulphonyl chloride
à-benzylsulfonyl chloride
à-toluenesulfonyl chloride
Toluene a-sulfonyl chloride.
BENZYL SULFONIC CHLORIDE
toluene-alpha-sulphonyl chloride
Phenylmethanesulfonylchloride4-4ethylthioanisole
ɑ-Toluenesulfonyl chloride, 99%
Phenylmethanesulfonyl chloride，alpha-Toluenesulfonyl chloride
^a-Toluenesulfonyl chloride, 99%
white crystalline powder
alpha-Toluenesulfonyl chloride
Benzylsulfonyl chloride
Benzylsulphonyl chloride 98%
ALPA TOLUENE SULFONYL CHLORIDE
BenzylsulfonylChloride>
Phenylmethanesulfonyl chloride,0.98
alpha-Toluenesulfonyl chloride ISO 9001：2015 REACH
α-Toluenesulfonyl Chloride
Benzenemethanesulfonyl chloride (9CI, ACI)
a-ToIuenesuIfonyI Chloride
BENZYLSULFONYL CHLORIDE
PHENYLMETHANESULFONYL 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
