35438-57-4

• 常用中文名：1,5-二氧杂环庚烷-2-酮
• 常用英文名：1,5-dioxepan-2-one
• CAS号：35438-57-4
• 分子式：C₅H₈O₃
• 分子量：116.11500
• 发布时间：2018-02-24 08:00:00
• 更新时间：2024-01-02 22:08:30

名称

• 中文名: 1,5-二氧杂环庚烷-2-酮
• 英文名: 1,4-dioxepan-5-one
• 英文别名: 1,5-Dxo; 1,5-Dioxepan-2-one

物化性质

• 密度: 1.129g/cm3
• 沸点: 266.8ºC at 760mmHg
• 熔点: 36ºC
• 分子式: C₅H₈O₃
• 分子量: 116.11500
• 闪点: 106.2ºC
• 精确质量: 116.04700
• PSA: 35.53000
• 外观性状: 固体;White to Almost white powder to crystal
• 折射率: 1.427
• 储存条件: <0°C;存放于惰性气体之中;避免空气,加热
• 水溶解性: 可溶于：丙酮

MSDS

1,5-Dioxepan-2-one Revision number: 5 SAFETY DATA SHEET Section1. IDENTIFICATION Product name:1,5-Dioxepan-2-one Revision number:5 Section2. HAZARDS IDENTIFICATION GHS classification PHYSICAL HAZARDSNot classified Not classified HEALTH HAZARDS ENVIRONMENTAL HAZARDSNot classified GHS label elements, including precautionary statements Pictograms or hazard symbolsNone No signal word Signal word Hazard statementsNone None Precautionary statements: Section3. COMPOSITION/INFORMATION ON INGREDIENTS Substance/mixture:Substance Components:1,5-Dioxepan-2-one Percent:>98.0%(GC) CAS Number:35438-57-4 Chemical Formula:C5H8O3 Section4. FIRST AID MEASURES Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing. Get medical advice/attention if you feel unwell. Skin contact:Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If skin irritation or rash occurs: Get medical advice/attention. Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth. A rescuer should wear personal protective equipment, such as rubber gloves and air- Protection of first-aiders: tight goggles. Section5. FIRE-FIGHTING MEASURES Suitable extinguishingDry chemical, foam, water spray, carbon dioxide. media: Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place. In case of fire in the surroundings: Remove movable containers if safe to do so. 1,5-Dioxepan-2-one Section5. FIRE-FIGHTING MEASURES Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment. equipment for firefighters: Section6. ACCIDENTAL RELEASE MEASURES Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak. protective equipment and Entry to non-involved personnel should be controlled around the leakage area by emergency procedures: roping off, etc. Environmental precautions: Prevent product from entering drains. Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it. containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with up: appropriate laws and regulations. Section7. HANDLING AND STORAGE Precautions for safe handling Handling is performed in a well ventilated place. Wear suitable protective equipment. Technical measures: Prevent dispersion of dust. Wash hands and face thoroughly after handling. Use a local exhaust if dust or aerosol will be generated. Advice on safe handling: Avoid contact with skin, eyes and clothing. Conditions for safe storage, including any incompatibilities Keep container tightly closed. Store in a freezer. Storage conditions: Store under inert gas. Store away from incompatible materials such as oxidizing agents. Heat-sensitive, Air-sensitive Packaging material:Comply with laws. Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION Install a closed system or local exhaust as possible so that workers should not be Engineering controls: exposed directly. Also install safety shower and eye bath. Personal protective equipment Respiratory protection: Dust respirator. Follow local and national regulations. Hand protection:Protective gloves. Eye protection:Safety glasses. A face-shield, if the situation requires. Skin and body protection: Protective clothing. Protective boots, if the situation requires. Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Solid Form:Crystal- Powder Colour:White - Very pale yellow Odour:No data available pH: No data available Melting point/freezing point:36°C No data available Boiling point/range: Flash point:No data available Flammability or explosive limits: No data available Lower: Upper:No data available No data available Relative density: Solubility(ies): [Water]No data available [Other solvents] Acetone Soluble: Section10. STABILITY AND REACTIVITY Chemical stability:Stable under proper conditions. 1,5-Dioxepan-2-one Section10. STABILITY AND REACTIVITY Possibility of hazardous No special reactivity has been reported. reactions: Incompatible materials: Oxidizing agents Hazardous decomposition Carbon monoxide, Carbon dioxide products: Section11. TOXICOLOGICAL INFORMATION Acute Toxicity:No data available Skin corrosion/irritation: No data available Serious eyeNo data available damage/irritation: Germ cell mutagenicity: No data available Carcinogenicity: IARC =No data available NTP =No data available Reproductive toxicity:No data available Section12. ECOLOGICAL INFORMATION Ecotoxicity: Fish:No data available No data available Crustacea: Algae:No data available Persistence / degradability: No data available BioaccumulativeNo data available potential(BCF): Mobility in soil No data available Log Pow: Soil adsorption (Koc):No data available No data available Henry's Law constant(PaM3/mol): Section13. DISPOSAL CONSIDERATIONS Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance. Section14. TRANSPORT INFORMATION Does not correspond to the classification standard of the United Nations Hazards Class: UN-No:Not listed Section15. REGULATORY INFORMATION Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002 and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were prescribed. 1,5-Dioxepan-2-one SECTION 16 - ADDITIONAL INFORMATION N/A