165956

Methylbenzolsulfonat

98%

• Synonym(e): Benzenesulfonic acid methyl ester, Benzenesulfonic acid, methyl ester, Methyl benzenesulphonate, Methyl besylate, methyl ester of benzenesulphonic acid
• Empirische Formel (Hill-System): C₇H₈O₃S
• CAS-Nummer: 80-18-2
• Molekulargewicht: 172.20
• EG-Nummer: 201-256-8
• MDL-Nummer: MFCD00014737
• UNSPSC-Code: 12352200
• PubChem Substanz-ID: 329751277
• NACRES: NA.22

Eigenschaften

• Assay: 98%
• Form: liquid
• Lagertemp.: 2-8°C
• SMILES String: COS(=O)(=O)c1ccccc1
• InChI: 1S/C7H8O3S/c1-10-11(8,9)7-5-3-2-4-6-7/h2-6H,1H3
• InChIKey: CZXGXYBOQYQXQD-UHFFFAOYSA-N

Beschreibung

Anwendung

Methyl benzenesulfonate can be used asa methylation agent:

• For the C-methylation of perbromothiophene tosynthesize tribromo-methyl thiophene in the presence of butyllithium.
• In the nickel-catalyzedmethylation of unactivated alkyl halides and acid chlorides to prepare methylatedalkanes and ketones.

It can alsobe used as a reactant in the etherification of sophoridinol derivatives tosynthesize N-substituted sophoridinic methyl ether derivatives.

Sicherheitshinweise

• Piktogramme: GHS05,GHS07
• Signalwort: Danger
• H-Sätze: H302,H314,H317
• P-Sätze: P261 - P272 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 4 Oral - Skin Corr. 1B - Skin Sens. 1
• Lagerklassenschlüssel: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter