50764-59-5

• 常用中文名：内消旋-1,2-双(对甲苯基)乙二胺
• 常用英文名：MESO-1,2-BIS(P-TOLYL)ETHYLENEDIAMINE
• CAS号：50764-59-5
• 分子式：C₁₆H₂₂N₂
• 分子量：242.35900
• 发布时间：2018-12-16 08:06:00
• 更新时间：2024-01-02 11:48:19

名称

• 中文名: 内消旋-1,2-双(对甲苯基)乙二胺
• 英文名: [(1R,2S)-2-azaniumyl-1,2-bis(4-methylphenyl)ethyl]azanium
• 英文别名: meso-1,2-Bis-(4-methylphenyl)-aethylendiamin; meso-1,2-Bis(p-tolyl)ethylenediamine; meso-1,2-bis(4-methylphenyl)-1,2-ethanediamine; [(1S,2R)-2-azaniumyl-1,2-bis(4-methylphenyl)ethyl]azanium; d,l-1,2-Bis-(4-methylphenyl)-aethylendiamin

物化性质

• 沸点: 388.6ºC at 760 mmHg
• 分子式: C₁₆H₂₂N₂
• 分子量: 242.35900
• 闪点: 225.6ºC
• 精确质量: 242.17800
• PSA: 55.28000
• LogP: 1.56960
• 储存条件:

  密闭于阴凉干燥环境中

• 稳定性:

  遵照规定使用和储存则不会分解。

• 分子结构:

  1、 摩尔折射率：77.01

  2、 摩尔体积（m³/mol）：224.3

  3、 等张比容（90.2K）：586.6

  4、 表面张力（dyne/cm）：46.7

  5、 极化率（10 ^-24cm ³）：30.53

• 计算化学:

  1.疏水参数计算参考值（XlogP）:2.1

  2.氢键供体数量:2

  3.氢键受体数量:0

  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55.3

  7.重原子数量:18

  8.表面电荷:2

  9.复杂度:212

  10.同位素原子数量:0

  11.确定原子立构中心数量:2

  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：无可用

  2. 密度（g/mL,25/4℃）：无可用

  3. 相对蒸汽密度（g/mL,空气=1）：无可用

  4. 熔点（ºC）：113-117

  5. 沸点（ºC,常压）：无可用

  6. 沸点（ºC,5.2kPa）：无可用

  7. 折射率：无可用

  8. 闪点（ºC）：无可用

  9. 比旋光度（º）：无可用

  10. 自燃点或引燃温度（ºC）：无可用

  11. 蒸气压（kPa,25ºC）：无可用

  12. 饱和蒸气压（kPa,60ºC）：无可用

  13. 燃烧热（KJ/mol）：无可用

  14. 临界温度（ºC）：无可用

  15. 临界压力（KPa）：无可用

  16. 油水（辛醇/水）分配系数的对数值：无可用

  17. 爆炸上限（%,V/V）：无可用

  18. 爆炸下限（%,V/V）：无可用

  19. 溶解性：无可用

MSDS

Name: Meso-1 2-bis(p-tolyl)ethylenediamine 98% Material Safety Data Sheet Synonym: CAS: 50764-59-5 Section 1 - Chemical Product MSDS Name:Meso-1 2-bis(p-tolyl)ethylenediamine 98% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 50764-59-5 meso-1,2-Bis(p-tolyl)ethylenediamine 98% unlisted Hazard Symbols: C Risk Phrases: 34 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Causes burns. Potential Health Effects Eye: Causes eye burns. Skin: Causes skin burns. Ingestion: Causes gastrointestinal tract burns. Inhalation: Causes chemical burns to the respiratory tract. Chronic: Not available. 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 immediately. Skin: Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: Do not induce vomiting. Get medical aid immediately. Inhalation: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 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 foam, dry chemical, or carbon dioxide. 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: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood. Storage: Store in a cool, dry place. Store in a tightly closed container. Corrosives area. Store under nitrogen. 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# 50764-59-5: 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: Not available. Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 115 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: C16H20N2 Molecular Weight: 240.35 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Light sensitive. Conditions to Avoid: Incompatible materials, light. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide. Hazardous Polymerization: Will not occur. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 50764-59-5 unlisted. LD50/LC50: Not available. Carcinogenicity: meso-1,2-Bis(p-tolyl)ethylenediamine - 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 Shipping Name: CORROSIVE SOLID, BASIC, ORGANIC, N.O.S.* Hazard Class: 8 UN Number: 3263 Packing Group: III IMO Shipping Name: CORROSIVE SOLID, BASIC, ORGANIC, N.O.S. Hazard Class: 8 UN Number: 3263 Packing Group: III RID/ADR Shipping Name: CORROSIVE SOLID, BASIC, ORGANIC, N.O.S. Hazard Class: 8 UN Number: 3263 Packing group: III Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: C Risk Phrases: R 34 Causes burns. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. 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# 50764-59-5: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 50764-59-5 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 50764-59-5 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: 该物质对环境可能有危害，对水体应给予特别注意。

安全

• 危害码 (欧洲): C
• 风险声明 (欧洲): R34
• 安全声明 (欧洲): S26;S45;S36/S37/S39
• 海关编码: 2921590090

合成路线

104-87-0 ~72% 50764-59-5

文献：Mendez-Sanchez, Daniel; Rios-Lombardia, Nicolas; Garcia-Granda, Santiago; Montejo-Bernardo, Jose; Fernandez-Gonzalez, Alfonso; Gotor, Vicente; Gotor-Fernandez, Vicente Tetrahedron Asymmetry, 2014 , vol. 25, # 4 p. 381 - 386

58520-37-9 ~% 50764-59-5

文献：Voegtle,F.; Goldschmitt,E. Chemische Berichte, 1976 , vol. 109, p. 1 - 40

上下游产品

上游产品  2
104-87-0 58520-37-9
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海关

海关编码	2921590090
中文概述	2921590090. 其他芳香多胺及衍生物及它们的盐. 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	2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%