中文名 | 3-乙氧基-2-丁炔羧酸乙酯 |
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英文名 | ethyl 3-ethoxybut-2-enoate |
中文别名 | 3-乙氧基-2-丁烯酸乙酯 |
英文别名 |
Crotonic acid,3-ethoxy-,ethyl ester
Ethyl 3-ethoxycrotonate ETHYL 3-ETHOXY-2-BUTENOATE 3-Ethoxycrotonic acid ethyl ester EINECS 213-652-8 3-Ethoxy-2-butenoic acid ethyl ester ethyl3-ethoxybut-2-enoate 3-ethoxy-but-2-enoic acid ethyl ester MFCD00026932 |
沸点 | 86-88ºC (14 torr) |
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熔点 | 30ºC |
分子式 | C8H14O3 |
分子量 | 158.19500 |
闪点 | 58.3ºC |
精确质量 | 158.09400 |
PSA | 35.53000 |
LogP | 1.48980 |
折射率 | 1.4535 |
储存条件 | 保持容器密封,储存在阴凉,干燥的地方 |
稳定性 | 常温常压下稳定,避免强氧化剂 酸接触 |
分子结构 | 1、 摩尔折射率:42.53 2、 摩尔体积(m3/mol):163.8 3、 等张比容(90.2K):378.2 4、 表面张力(dyne/cm):28.3 5、 极化率(10 -24cm 3):16.86 |
计算化学 | 1、 疏水参数计算参考值(XlogP):1.4 2、 氢键供体数量:0 3、 氢键受体数量:3 4、 可旋转化学键数量:5 5、 拓扑分子极性表面积(TPSA):35.5 6、 重原子数量:11 7、 表面电荷:0 8、 复杂度:149 9、 同位素原子数量:0 10、 确定原子立构中心数量:0 11、 不确定原子立构中心数量:0 12、 确定化学键立构中心数量:1 13、 不确定化学键立构中心数量:0 14、 共价键单元数量:1 |
更多 | 1. 性状:未确定。 2. 密度(g/mL,25℃):未确定 3. 相对蒸汽密度(g/mL,空气=1):未确定 4. 熔点(ºC):30-32 5. 沸点(ºC,常压):195-200 6. 沸点(ºC,755mmHg):未确定 7. 折射率:1.4535 8. 闪点(ºF):137 9. 比旋光度(º):未确定 10. 自燃点或引燃温度(ºC):未确定 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: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Not available. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: May cause 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. 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: Vacuum or sweep up material and place into a suitable disposal 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: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 998-91-4: 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: Solid Color: colorless - white Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: 86 - 88 deg C @14mmHg Freezing/Melting Point: 30 deg C 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: C8H14O3 Molecular Weight: 158 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 998-91-4 unlisted. LD50/LC50: Not available. Carcinogenicity: Ethyl 3-ethoxybut-2-enoate - 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: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 998-91-4: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 998-91-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 998-91-4 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
生态学数据: 通常对水是不危害的,若无政府许可,勿将材料排入周围环境。
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危害码 (欧洲) | Xi: Irritant; |
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风险声明 (欧洲) | R36/37/38 |
安全声明 (欧洲) | S24/25 |
危险品运输编码 | UN 1325 4.1/PG 2 |
海关编码 | 2918990090 |
上游产品 10 | |
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下游产品 8 | |
海关编码 | 2918990090 |
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中文概述 | 2918990090. 其他含其他附加含氧基羧酸(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:13.0%. 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 | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |