23761-23-1

• 常用中文名：3-氧代环丁烷羧酸
• 常用英文名：3-Oxocyclobutanecarboxylic acid
• CAS号：23761-23-1
• 分子式：C₅H₆O₃
• 分子量：114.099
• 发布时间：2018-08-19 00:11:15
• 更新时间：2024-01-01 23:42:55

名称

• 中文名: 3-氧代环丁烷基羧酸
• 英文名: 3-oxocyclobutane-1-carboxylic acid
• 中文别名: 3-氧代环丁烷羧酸; 3-氧代环丁羧酸; 3-氧代环丁烷甲酸; 3-氧代环丁烷甲酸; 三氧代环丁烷基羧酸
• 英文别名: Cyclobutanecarboxylic acid, 3-oxo-; 3-oxo-cyclobutanecarboxylic acid; 3-Oxo-Cyclobutanecarboxylicacid; Cyclobutanecarboxylic acid,3-oxo; 3-Oxocyclobutanecarboxylic acid; MFCD00100900; 1-Carboxy-3-oxocyclobutane; cyclobutanone-3-carboxylic acid; 3-oxocyclobutane-1,1-dicarboxylic acid; 3-Oxycyclobutanecarboxylic acid

物化性质

• 密度: 1.4±0.1 g/cm3
• 沸点: 296.5±33.0 °C at 760 mmHg
• 熔点: 147ºC
• 分子式: C₅H₆O₃
• 分子量: 114.099
• 闪点: 147.3±21.9 °C
• 精确质量: 114.031693
• PSA: 54.37000
• LogP: -1.03
• 外观性状: 固体;White to Almost white powder to crystal
• 蒸汽压: 0.0±1.3 mmHg at 25°C
• 折射率: 1.531
• 储存条件: Room temperature.

MSDS

3-Oxocyclobutanecarboxylic Acid Revision number: 6 SAFETY DATA SHEET Section1. IDENTIFICATION Product name:3-Oxocyclobutanecarboxylic Acid Revision number:6 Section2. HAZARDS IDENTIFICATION GHS classification PHYSICAL HAZARDSNot classified HEALTH HAZARDS Skin corrosion/irritationCategory 2 Category 2A Serious eye damage/eye irritation ENVIRONMENTAL HAZARDSNot classified GHS label elements, including precautionary statements Pictograms or hazard symbols Signal wordWarning Hazard statementsCauses skin irritation Causes serious eye irritation Precautionary statements: Wash hands thoroughly after handling. [Prevention] Wear protective gloves/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, [Response] if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. IF ON SKIN: Gently wash with plenty of soap and water. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Section3. COMPOSITION/INFORMATION ON INGREDIENTS Substance/mixture:Substance Components:3-Oxocyclobutanecarboxylic Acid Percent:>97.0%(GC)(T) CAS Number:23761-23-1 Chemical Formula:C5H6O3 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. 3-Oxocyclobutanecarboxylic Acid Section4. FIRST AID MEASURES Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of soap and water. 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. 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 Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment. 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 Storage conditions:Keep container tightly closed. Store in a cool and dark place. Store away from incompatible materials such as oxidizing agents. Packaging material:Comply with laws. Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION Engineering controls:Install a closed system or local exhaust as possible so that workers should not be 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. Safety glasses. A face-shield, if the situation requires. Eye protection: Skin and body protection: Protective clothing. Protective boots, if the situation requires. Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Solid Crystal- Powder Form: Colour:White - Very pale yellow No data available Odour: pH: No data available Melting point/freezing point:70°C 3-Oxocyclobutanecarboxylic Acid Section9. PHYSICAL AND CHEMICAL PROPERTIES Boiling point/range:No data available Flash point:No data available Flammability or explosive limits: Lower:No data available Upper:No data available Relative density:No data available Solubility(ies): [Water]No data available No data available [Other solvents] Section10. STABILITY AND REACTIVITY Chemical stability:Stable under proper conditions. Possibility of hazardous No special reactivity has been reported. reactions: Incompatible materials: Oxidizing agents, Bases Hazardous decomposition Carbon monoxide, Carbon dioxide products: Section11. TOXICOLOGICAL INFORMATION No data available Acute Toxicity: Skin corrosion/irritation: No data available Serious eyeNo data available damage/irritation: Germ cell mutagenicity: No data available Carcinogenicity: No data available IARC = NTP =No data available No data available Reproductive toxicity: Section12. ECOLOGICAL INFORMATION Ecotoxicity: Fish:No data available Crustacea:No data available Algae:No data available Persistence / degradability: No data available BioaccumulativeNo data available potential(BCF): Mobility in soil Log Pow:No data available Soil adsorption (Koc):No data available Henry's LawNo data available 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 Hazards Class:Does not correspond to the classification standard of the United Nations UN-No:Not listed 3-Oxocyclobutanecarboxylic Acid 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. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xn
• 风险声明 (欧洲): 22
• 海关编码: 2918300090

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海关

海关编码	2918300090
中文概述	2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%