Material Safety Data Sheet Section 1. Identification of the substance Product Name: 3-Chloro-4-(methylsulfonyl)nitrobenzene Synonyms: Section 2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. Section 3. Composition/information on ingredients. Ingredient name: 3-Chloro-4-(methylsulfonyl)nitrobenzene CAS number: 91842-77-2 Section 4. First aid measures Skin contact: Immediately wash skin with copious amounts of water for at least 15 minutes while removing contaminated clothing and shoes. If irritation persists, seek medical attention. Eye contact: Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical attention. Inhalation: Remove to fresh air. In severe cases or if symptoms persist, seek medical attention. Ingestion: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention. Section 5. Fire fighting measures In the event of a fire involving this material, alone or in combination with other materials, use dry powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus should be worn. Section 6. Accidental release measures Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national standards. Respiratory precaution: Wear approved mask/respirator Hand precaution: Wear suitable gloves/gauntlets Skin protection: Wear suitable protective clothing Eye protection: Wear suitable eye protection Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container for disposal. See section 12. Environmental precautions: Do not allow material to enter drains or water courses. Section 7. Handling and storage Handling: This product should be handled only by, or under the close supervision of, those properly qualified in the handling and use of potentially hazardous chemicals, who should take into account the fire, health and chemical hazard data given on this sheet. Store in closed vessels. Storage: Section 8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section 9. Physical and chemical properties Appearance: Not specified Boiling point: No data No data Melting point: Flash point: No data Density: No data Molecular formula: C7H6ClNO4S Molecular weight: 235.6 Section 10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, hydrogen chloride, sulfur oxides. Section 11. Toxicological information No data. Section 12. Ecological information No data. Section 13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section 14. Transportation information Non-harzardous for air and ground transportation. Section 15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313.
application, the selectivedeuterium labeling of these structures is restricted due to their electron-deficient properties. This study presents two comprehensive strategies for the deuteration of aromatic sulfones. The base-promoted deuterationuses DMSO-d6 as the deuteriumsource, resulting in a rapid H/D exchange within 2 h. Meanwhile, a silver-catalyzed protocol offers a much milder option by using economical
芳香族砜是制药和材料科学中流行的支架。然而,与它们的广泛应用相比,这些结构的选择性氘标记由于其缺电子特性而受到限制。本研究提出了两种芳香族砜氘化的综合策略。碱促进氘化使用DMSO -d 6作为氘源,导致2小时内快速H/D交换。同时,银催化方案通过使用经济的 D 2 O 来提供标记的砜,从而提供了更温和的选择。
[EN] SIX-MEMBERED ARYL OR HETEROARYL AMIDES, AND COMPOSITION AND USE THEREOF<br/>[FR] AMIDES D'ARYLE OU D'HÉTÉROARYLE À SIX CHAÎNONS, ET COMPOSITION ET UTILISATION DE CEUX-CI<br/>[ZH] 六元芳基或杂芳基酰胺类化合物及其组合物和用途