1877-75-4

• 常用中文名：对甲氧基苯氧乙酸
• 常用英文名：(4-Methoxyphenoxy)acetic acid
• CAS号：1877-75-4
• 分子式：C₉H₁₀O₄
• 分子量：182.173
• 相关类别： 化学试剂 有机试剂 芳香酸
• 发布时间：2018-03-27 08:00:00
• 更新时间：2024-01-03 18:25:44

名称

• 中文名: 对甲氧基苯氧乙酸
• 英文名: 2-(4-methoxyphenoxy)acetic acid
• 中文别名: 4-甲氧基苯氧基乙酸; 4-甲氧基苯氧乙酸
• 英文别名: EINECS 217-513-2; MFCD00014360; 4-Methoxyphenoxyacetic acid; 2-(4-Methoxyphenoxy)acetic acid; (4-Methoxyphenoxy)acetic acid; Acetic acid,(p-methoxyphenoxy); Acetic acid,(4-methoxyphenoxy); Acetic acid, 2-(4-methoxyphenoxy)-; acetic acid, (4-methoxyphenoxy)-; P-methoxyphenoxyacetic acid; 2-(p-methoxyphenoxy)acetic acid

物化性质

• 密度: 1.2±0.1 g/cm3
• 沸点: 328.0±17.0 °C at 760 mmHg
• 熔点: 112-114 °C
• 分子式: C₉H₁₀O₄
• 分子量: 182.173
• 闪点: 132.9±14.4 °C
• 精确质量: 182.057907
• PSA: 55.76000
• LogP: 1.31
• 外观性状: 白色晶体
• 蒸汽压: 0.0±0.7 mmHg at 25°C
• 折射率: 1.529
• 储存条件:

  保持贮藏器密封、储存在阴凉、干燥的地方，确保工作间有良好的通风或排气装置

• 稳定性:

  如果遵照规格使用和储存则不会分解，未有已知危险反应，避免氧化物

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:1

  3.氢键受体数量:4

  4.可旋转化学键数量:4

  5.互变异构体数量:无

  6.拓扑分子极性表面积55.8

  7.重原子数量:13

  8.表面电荷:0

  9.复杂度:161

  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：晶体状粉末

  2. 密度（g/mL,20ºC）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：110-112

  5. 沸点（ºC）：未确定

  6. 沸点（ºC，0.5mmHg）：未确定

  7. 折射率：未确定

  8. 闪点（°F）：未确定

  9. 比旋光度（ºC）：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

MSDS

Name: 4-Methoxyphenoxyacetic Acid Material Safety Data Sheet Synonym: None known. CAS: 1877-75-4 Section 1 - Chemical Product MSDS Name: 4-Methoxyphenoxyacetic Acid Material Safety Data Sheet Synonym: None known. SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 1877-75-4 4-Methoxyphenoxyacetic Acid ca 100 217-513-2 Hazard Symbols: XI Risk Phrases: 36/37/38 SECTION 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Irritating to eyes, respiratory system and skin.The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: Causes eye irritation. May cause chemical conjunctivitis. Skin: Causes skin irritation. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. Inhalation: Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Can produce delayed pulmonary edema. Chronic: Effects may be delayed. SECTION 4 - FIRST AID MEASURES Eyes: Immediately 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. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing Media: Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate 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. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. SECTION 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. 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# 1877-75-4: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use. SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Needles Color: almost colorless Odor: acetic odor pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 152 deg C Autoignition Temperature: Not applicable. Flash Point: Not applicable. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Slightly soluble. Specific Gravity/Density: Molecular Formula: C9H10O4 Molecular Weight: 182.0676 SECTION 10 - STABILITY AND REACTIVITY Chemical Stability: Stable at room temperature in closed containers under normal storage and handling conditions. Conditions to Avoid: Incompatible materials, dust generation, excess heat. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Has not been reported SECTION 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 1877-75-4 unlisted. LD50/LC50: Not available. Carcinogenicity: 4-Methoxyphenoxyacetic Acid - 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 Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. 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 24/25 Avoid contact with skin and eyes. S 28A After contact with skin, wash immediately with plenty of water. S 37 Wear suitable gloves. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 1877-75-4: No information available. Canada CAS# 1877-75-4 is listed on Canada's NDSL List. CAS# 1877-75-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 1877-75-4 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION MSDS Creation Date: 4/05/1997 Revision #5 Date: 3/18/2003 The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no way shall the company be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if the company has been advised of the possibility of such damages. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 对水是稍微有危害的不要让未稀释或大量的产品接触地下水、水道或者污水系统，若无政府许可，勿将材料排入周围环境。

安全

• 危害码 (欧洲): Xi:Irritant;
• 风险声明 (欧洲): R36/37/38;R44
• 安全声明 (欧洲): S37/39-S26
• 海关编码: 2918990090

合成路线

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海关

海关编码	2918990090
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%