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| 中文名 | 3,4-二氟苯乙炔 |
|---|---|
| 英文名 | 3,4-Difluorophenylacetylene |
| 中文别名 |
4-乙炔-1,2-二氟苯
4-乙炔基-1,2-二氟苯 |
| 英文别名 |
3,4-Difluorophenylacetylene
1-Ethynyl-3,4-fluorobenzene 4-Ethynyl-1,2-difluorobenzene Benzene, 4-ethynyl-1,2-difluoro- |
| 密度 | 1.2±0.1 g/cm3 |
|---|---|
| 沸点 | 145.9±30.0 °C at 760 mmHg |
| 分子式 | C8H4F2 |
| 分子量 | 138.114 |
| 闪点 | 31.4±12.4 °C |
| 精确质量 | 138.028107 |
| LogP | 2.41 |
| 外观性状 | 液体;Colorless to Light yellow clear liquid |
| 蒸汽压 | 6.0±0.3 mmHg at 25°C |
| 折射率 | 1.492 |
| 储存条件 | 存放于惰性气体之中;避免空气 |
|
Material Safety Data Sheet
Section1. Identification of the substance Product Name: 3,4-Difluorophenylacetylene Synonyms: Section2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. H225:Highly flammable liquid and vapour
P210:Keep away from heat/sparks/open flames/hot surfaces. No smoking Section3. Composition/information on ingredients. Ingredient name:3,4-Difluorophenylacetylene CAS number:143874-13-9 Section4. First aid measures Immediately wash skin with copious amounts of water for at least 15 minutes while removing Skin contact: 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. Section5. 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. Section6. 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. Section7. 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. Storage:Store in closed vessels, refrigerated. Section8. 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. Section9. Physical and chemical properties Not specified Appearance: Boiling point:No data Melting point:No data Flash point:No data Density:No data Molecular formula:C8H4F2 Molecular weight:138.1 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, hydrogen fluoride. Section11. Toxicological information No data. Section12. Ecological information No data. Section13. 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. Section14. Transportation information UN Number:UN1993Class: 3Packing group: II Proper shipping name: FLAMMABLE LIQUIDS, N.O.S. (3,4-Difluorophenylacetylene) Section15. 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. SECTION 16 - ADDITIONAL INFORMATION N/A |
| 符号 |
GHS02 |
|---|---|
| 信号词 | Danger |
| 危害声明 | H225 |
| 警示性声明 | P210 |
| 个人防护装备 | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| 危害码 (欧洲) | F: Flammable; |
| 风险声明 (欧洲) | R11 |
| 危险品运输编码 | UN 1993 3/PG 2 |
| 海关编码 | 2903999090 |
|
~76%
143874-13-9 |
| 文献：ELI LILLY AND COMPANY Patent: WO2005/94822 A1, 2005 ; Location in patent: Page/Page column 31-32 ; WO 2005/094822 A1 |
|
~%
143874-13-9 |
| 文献：WO2013/90210 A1, ; |
| 海关编码 | 2903999090 |
|---|---|
| 中文概述 | 2903999090 其他芳烃卤化衍生物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
