2-MESITYLENSULFONYL CHLORIDE
2-Mesitylenesulfonyl chloride
CAS: 773-64-8
Molecular Formula: C9H11ClO2S
2-MESITYLENSULFONYL CHLORIDE - Names and Identifiers
2-MESITYLENSULFONYL CHLORIDE - Physico-chemical Properties
| Molecular Formula | C9H11ClO2S |
| Molar Mass | 218.7 |
| Density | 1.4386 (rough estimate) |
| Melting Point | 55-57°C(lit.) |
| Boling Point | 150°C/20mm |
| Flash Point | >230°F |
| Water Solubility | insoluble |
| Solubility | Soluble in toluene (almost transparency). |
| Appearance | White to gray crystal |
| Color | White to gray |
| BRN | 1107601 |
| Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.5500 (estimate) |
| MDL | MFCD00007434 |
| Physical and Chemical Properties | Patchy crystals. Melting point 57. |
| Use | Coupling agents in polynucleotide synthesis |
2-MESITYLENSULFONYL CHLORIDE - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns R29 - Contact with water liberates toxic gas |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| RTECS | DB8930000 |
| FLUKA BRAND F CODES | 10-21 |
| HS Code | 29049020 |
| Hazard Note | Corrosive |
| Hazard Class | 8 |
| Packing Group | II |
2-MESITYLENSULFONYL CHLORIDE - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| uses | amino acid intramolecular esterification and cyclization reagents for other organic synthesis. reagents for intramolecular amidation and internal esterification; Reagents for protecting guanidine group; For protecting tryptophan; For coupling reagents in polynucleotide synthesis |
| production method | 30g(0.25mol) mesitylene was added dropwise to 80g(0.69mol) of chlorosulfonic acid cooled to 0 ° C. Over a period of 0.5h, and stirring was continued for a further period of h. The reaction mixture was poured into crushed ice to give 50g of 2,4, 6-trimethylbenzenesulfonyl chloride in 92% yield. |
Last Update：2024-04-09 02:00:11
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CAS: 773-64-8
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