ChemicalBook >> CAS DataBase List >>2-Chlorobenzenesulfonyl chloride
2-Chlorobenzenesulfonyl chloride
- CAS No.
- 2905-23-9
- Chemical Name:
- 2-Chlorobenzenesulfonyl chloride
- Synonyms
- 2-CHLOROBENZENES;BUTTPARK 37\11-76;o-chlorobenzenesulfochloride;o-chloro-benzenesulfonylchlorid;2-chloro-benzenesulfonylchlorid;2-Chlorophenylsulfonyl Chloride;o-chlorobenzenesulfonyl chloride;2-Chlorobenxenesulfonyl Chloride;2-CHLOROBENZENESULFONYL CHLORIDE;2-CHLOROBENZENESULPHONYL CHLORIDE
- CBNumber:
- CB9672350
- Molecular Formula:
- C6H4Cl2O2S
- Molecular Weight:
- 211.07
- MDL Number:
- MFCD00051520
- MOL File:
- 2905-23-9.mol
- MSDS File:
- SDS
Last updated:2026-06-04 16:00:12
| Product description | Number | Pack Size | Price |
| 2-Chlorobenzenesulfonyl chloride 97% | 546925 | 5g | $50.5 |
| 2-Chlorobenzenesulfonyl chloride 97% | 546925 | 25g | $213 |
| 2-Chlorobenzenesulfonyl Chloride >98.0%(GC)(T) | C2630 | 5g | $62 |
| 2-Chlorobenzenesulfonyl Chloride >98.0%(GC)(T) | C2630 | 25g | $204 |
| 2-Chlorobenzenesulphonyl chloride 96% | OR5374 | 25g | $36 |
| More product size | |||
| Melting point | 26-28℃ |
|---|---|
| Boiling point | 150-152 °C/12 mmHg (lit.) |
| Density | 1.548 g/mL at 25 °C (lit.) |
| refractive index |
n |
| Flash point | 140 °F |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | Liquid or Low Melting Solid |
| color | Clear yellow to orange-red |
| Water Solubility | It reacts with water. |
| Sensitive | Moisture Sensitive |
| BRN | 974321 |
| InChI | 1S/C6H4Cl2O2S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H |
| InChIKey | KMVZDSQHLDGKGV-UHFFFAOYSA-N |
| SMILES | Clc1ccccc1S(Cl)(=O)=O |
| CAS DataBase Reference | 2905-23-9(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | 4ACM79Y5D8 |
| NIST Chemistry Reference | 2-Chlorobenzenesulfonyl chloride(2905-23-9) |
| EPA Substance Registry System | Benzenesulfonyl chloride, 2-chloro- (2905-23-9) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H226-H314 | |||||||||
| Precautionary statements | P210-P233-P240-P280-P303+P361+P353-P305+P351+P338 | |||||||||
| PPE | Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | C | |||||||||
| Risk Statements | 34 | |||||||||
| Safety Statements | 26-36/37/39-45 | |||||||||
| RIDADR | UN 2920 8/PG 2 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | DB8925500 | |||||||||
| Hazard Note | Corrosive | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29049090 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Flam. Liq. 3 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 |
|
2-Chlorobenzenesulfonyl chloride price More Price(61)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 546925 | 2-Chlorobenzenesulfonyl chloride 97% | 2905-23-9 | 5g | $50.5 | 2026-04-30 | Buy |
| Sigma-Aldrich | 546925 | 2-Chlorobenzenesulfonyl chloride 97% | 2905-23-9 | 25g | $213 | 2026-04-30 | Buy |
| TCI Chemical | C2630 | 2-Chlorobenzenesulfonyl Chloride >98.0%(GC)(T) | 2905-23-9 | 5g | $62 | 2026-04-30 | Buy |
| TCI Chemical | C2630 | 2-Chlorobenzenesulfonyl Chloride >98.0%(GC)(T) | 2905-23-9 | 25g | $204 | 2026-04-30 | Buy |
| Apolloscientific | OR5374 | 2-Chlorobenzenesulphonyl chloride 96% | 2905-23-9 | 25g | $36 | 2026-06-04 | Buy |
2-Chlorobenzenesulfonyl chloride Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 216)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29812 | 58 |
| Nanjing Dolon Biotechnology Co.,Ltd. | 18905173768 | 52513593@qq.com | CHINA | 2972 | 58 |
| Xiamen AmoyChem Co., Ltd | +86-86-5926051114 | sales@amoychem.com | China | 6366 | 58 |
| Changzhou Ditong Chemical Co.,Ltd | +86-0519-88298848 | info@edengenechem.com | China | 2165 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
| CONIER CHEM AND PHARMA LIMITED | sales@conier.com | China | 49979 | 58 | |
| Antai Fine Chemical Technology Co.,Limited | 18503026267 | info@antaichem.com | CHINA | 9636 | 58 |
| SIMAGCHEM CORP | +86-5922680277 +86-13806087780 | sale@simagchem.com | China | 17346 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +86-189 4982 3763 | sales@tnjchem.com | China | 34563 | 58 |
| Win-Win chemical CO., Limited | +86-0086-577-64498589 +86-15355981851 | sales@win-winchemical.com | China | 14303 | 58 |
View Lastest Price from 2-Chlorobenzenesulfonyl chloride manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2019-08-06 | 2-Chlorobenzenesulfonyl chloride
2905-23-9
|
$1.00 | 1KG | 95-99% | 100kg/week | Career Henan Chemical Co | |
|
|
2019-08-06 | 2-Chlorobenzenesulfonyl chloride
2905-23-9
|
$1.00 | 1KG | 95-99% | 100kg/week | Career Henan Chemical Co |
-
- 2-Chlorobenzenesulfonyl chloride
2905-23-9
- $1.00
- 95-99%
- Career Henan Chemical Co
-
- 2-Chlorobenzenesulfonyl chloride
2905-23-9
- $1.00
- 95-99%
- Career Henan Chemical Co
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Building Blocks
Organic Building Blocks
Sulfonyl Halides
Sulfur Compounds
Benzenesulfonyl chloride
API intermediates
Organic Building Blocks
Sulfonyl Halides
Sulfur Compounds
