28236-62-6

• 常用中文名：2,4-二氯苯氧乙酸
• 常用英文名：2,4-Dichlorophenoxyacetic acid hydrazide
• CAS号：28236-62-6
• 分子式：C₈H₈Cl₂N₂O₂
• 分子量：235.06700
• 相关类别： 化学农药原药 植物生长调节剂
• 发布时间：2018-07-20 11:28:56
• 更新时间：2024-01-03 07:45:41

名称

• 中文名: 2,4-二氯苯氧乙酸
• 英文名: 2-(2,4-dichlorophenoxy)acetohydrazide
• 中文别名: 2,4-二氯苯氧基乙酰肼; 2,4-二氯苯氧乙酰肼
• 英文别名: 2,4,6-PIPERIDINETRIONE SODIUM SALT; 2,4-DICHLOROPHENOXYACETIC ACID HYDRAZIDE; 2,4diClPhOAcN2; MFCD00051972; 2,4-dichlorophenoxyacetyl-hydrazine; o,p-dichloro phenoxyacetic acid hydrazide

物化性质

• 密度: 1.438g/cm3
• 沸点: 448.8ºC at 760mmHg
• 熔点: 153-157 °C
• 分子式: C₈H₈Cl₂N₂O₂
• 分子量: 235.06700
• 闪点: 225.2ºC
• 精确质量: 233.99600
• PSA: 64.35000
• LogP: 2.45330
• 外观性状: 淡米色结晶粉末
• 蒸汽压: 3E-08mmHg at 25°C
• 折射率: 1.581
• 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

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:2

  3.氢键受体数量:3

  4.可旋转化学键数量:3

  5.互变异构体数量:2

  6.拓扑分子极性表面积64.4

  7.重原子数量:14

  8.表面电荷:0

  9.复杂度:204

  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：粉末

  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）：150-152

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,KPa）：未确定

  7. 折射率：未确定

  8. 闪点（ºC）：未确定

  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（Pa,25ºC）：未确定

  12. 饱和蒸气压（KPa,20ºC）：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: 2 4-Dichlorophenoxyacetic acid hydrazide 98% Material Safety Data Sheet Synonym: CAS: 28236-62-6 Section 1 - Chemical Product MSDS Name:2 4-Dichlorophenoxyacetic acid hydrazide 98% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 28236-62-6 2,4-Dichlorophenoxyacetic acid hydrazi 98% unlisted Hazard Symbols: XI 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: 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: 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# 28236-62-6: 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: Crystalline powder Color: light beige Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 153 - 157 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: Insoluble. Specific Gravity/Density: Molecular Formula: C8H8Cl2N2O2 Molecular Weight: 235.07 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 28236-62-6 unlisted. LD50/LC50: Not available. Carcinogenicity: 2,4-Dichlorophenoxyacetic acid hydrazide - 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 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# 28236-62-6: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 28236-62-6 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 28236-62-6 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 通常对水是稍微有危害的，若无政府许可，勿将材料排入周围环境。

安全

• 危害码 (欧洲): Xn;Xi
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S37/39-S26
• 海关编码: 2928000090

合成路线

533-23-3 ~96% 28236-62-6

文献：Maingot, Lucie; Elbakali, Jamal; Dumont, Julie; Bosc, Damien; Cousaert, Nicolas; Urban, Agathe; Deglane, Gaelle; Villoutreix, Bruno; Nagase, Hideaki; Sperandio, Olivier; Leroux, Florence; Deprez, Benoit; Deprez-Poulain, Rebecca European Journal of Medicinal Chemistry, 2013 , vol. 69, p. 244 - 261

120-83-2 ~% 28236-62-6

文献：Holla, B. Shivarama; Kalluraya, Balakrishna; Nath, S. C. Journal fuer Praktische Chemie (Leipzig), 1988 , vol. 330, # 4 p. 549 - 557

1928-38-7 ~% 28236-62-6

文献：Wei, Tai-Bao; Liu, Hong; Li, Man-Lin; Zhang, You-Ming Journal of Chemical Research, 2005 , # 7 p. 432 - 433

94-75-7 ~% 28236-62-6

文献：Karthikeyan, Mari Sithambaram; Holla, Bantwal Shivarama; Kumari, Nalilu Suchetha European Journal of Medicinal Chemistry, 2007 , vol. 42, # 1 p. 30 - 36

774-74-3 ~% 28236-62-6

文献：Bade, Steffen; Roeckendorf, Niels; Franek, Milan; Gorris, Hans H.; Lindner, Buko; Olivier, Verena; Schaper, Klaus-Juergen; Frey, Andreas Analytical Chemistry, 2009 , vol. 81, # 23 p. 9695 - 9702

108-95-2 ~% 28236-62-6

文献：Lokanath; Sridhar; Shashidhara Prasad; Nagaraja; Mohan Rao Acta Crystallographica Section C: Crystal Structure Communications, 1998 , vol. 54, # 5 p. 669 - 670

海关

海关编码	2928000090
中文概述	2928000090 其他肼（联氨）及胲（羟胺）的有机衍生物。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:20.0%
申报要素	品名, 成分含量, 用途
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%