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| 中文名 | 3,4-二氟苯甲酸乙酯 |
|---|---|
| 英文名 | Ethyl 3,4-difluorobenzoate |
| 英文别名 |
MFCD00272138
ETHYL 3,4-DIFLUOROBENZOATE Benzoic acid, 3,4-difluoro-, ethyl ester |
| 密度 | 1.2±0.1 g/cm3 |
|---|---|
| 沸点 | 223.4±25.0 °C at 760 mmHg |
| 分子式 | C9H8F2O2 |
| 分子量 | 186.155 |
| 闪点 | 86.6±18.1 °C |
| 精确质量 | 186.049240 |
| PSA | 26.30000 |
| LogP | 2.97 |
| 蒸汽压 | 0.1±0.4 mmHg at 25°C |
| 折射率 | 1.472 |
| 储存条件 | 室温，干燥 |
| 分子结构 | 1、摩尔折射率：42.64 2、摩尔体积（cm3/mol）：152.2 3、等张比容（90.2K）：366.1 4、表面张力（dyne/cm）：33.4 5、介电常数：无可用的 6、极化率（10-24cm3）：16.9 7、单一同位素质量：186.049236 Da 8、标称质量：186 Da 9、平均质量：186.1554 Da |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:无 2.氢键供体数量:0 3.氢键受体数量:4 4.可旋转化学键数量:3 5.互变异构体数量:无 6.拓扑分子极性表面积26.3 7.重原子数量:13 8.表面电荷:0 9.复杂度:185 10.同位素原子数量:0 11.确定原子立构中心数量:0 12.不确定原子立构中心数量:0 13.确定化学键立构中心数量:0 14.不确定化学键立构中心数量:0 15.共价键单元数量:1 |
| 更多 | 1. 性状： 2. 密度（g/mL,25/4℃）：未确定 3. 相对蒸汽密度（g/mL,空气=1）：未确定 4. 熔点（ºC）： 5. 沸点（ 15mm ºC）：96 6. 沸点（ºC,5.2kPa）：未确定 7. 折射率：未确定 8. 闪点：未确定 9. 比旋光度（º）：未确定 10. 自燃点或引燃温度（ºC）：不适用的 11. 蒸气压（kPa,25ºC）：未确定 12. 饱和蒸气压（kPa,60ºC）：未确定 13. 燃烧热（KJ/mol）：未确定 14. 临界温度（ºC）：未确定 15. 临界压力（KPa）：未确定 16. 油水（辛醇/水）分配系数的对数值：未确定 17. 爆炸上限（%,V/V）：未确定 18. 爆炸下限（%,V/V）：未确定 19. 溶解性：未确定 |
Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: Causes respiratory tract irritation. May be harmful if inhaled. Chronic: Not available. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: Get medical aid. Wash mouth out with water. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively. Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Section 7 - HANDLING and STORAGE Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Storage: Store in a cool, dry place. Store in a tightly closed container. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 144267-96-9: Personal Protective Equipment Eyes: Not available. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Liquid Color: colorless Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: 96 deg C @15mmHg Freezing/Melting Point: Not available. Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C9H8F2O2 Molecular Weight: 186 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, acids, bases. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, fluorine, hydrogen fluoride gas. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 144267-96-9 unlisted. LD50/LC50: Not available. Carcinogenicity: Ethyl 3,4-difluorobenzoate - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA No information available. IMO No information available. RID/ADR No information available. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 144267-96-9: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 144267-96-9 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 144267-96-9 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
| 危害码 (欧洲) | Xi:Irritant; |
|---|---|
| 风险声明 (欧洲) | R36/37/38 |
| 安全声明 (欧洲) | S26-S37/39 |
| 海关编码 | 2916399090 |
| 海关编码 | 2916399090 |
|---|---|
| 中文概述 | 2916399090 其他芳香一元羧酸. 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, 丙烯酸、丙烯酸盐或酯应报明包装 |
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
