930-62-1

• 常用中文名：2,4-二甲基咪唑
• 常用英文名：2,4-Dimethylimidazole
• CAS号：930-62-1
• 分子式：C₅H₈N₂
• 分子量：96.130
• 发布时间：2018-04-02 08:00:00
• 更新时间：2024-01-02 17:10:15

名称

• 中文名: 2,4-二甲基咪唑
• 英文名: 2,4-Dimethylimidazole
• 中文别名: 2,4-二甲基-1H-咪唑
• 英文别名: 2,4-dimethyl-imidazole; EINECS 213-221-4; 2,4-dimethyl; 2,4-Dimethyl-1H-imidazole; 1H-Imidazole,2,4-dimethyl; 2,4-Dimethylimidazol; 2-methyl-4-methylimidazole; 1H-Imidazole, 2,4-dimethyl-; 2,4-dimethyl-1(3)H-imidazole; 2,4-Dimethylimidazole; MFCD00022365; 2,5-Dimethyl-1H-imidazole; 2,4-Dimethyl-1(3)H-imidazol

物化性质

• 密度: 1.0±0.1 g/cm3
• 沸点: 273.7±9.0 °C at 760 mmHg
• 熔点: 85-87 °C
• 分子式: C₅H₈N₂
• 分子量: 96.130
• 闪点: 142.3±5.1 °C
• 精确质量: 96.068748
• PSA: 28.68000
• LogP: 0.09
• 外观性状: 淡黄色透明液体
• 蒸汽压: 0.0±0.5 mmHg at 25°C
• 折射率: 1.520
• 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：28.42

  2、 摩尔体积（m³/mol）：93.5

  3、 等张比容（90.2K）：236.3

  4、 表面张力（dyne/cm）：40.7

  5、 极化率（10 ^-24cm ³）：11.26

• 计算化学:

  1.疏水参数计算参考值（XlogP）:0.9

  2.氢键供体数量:1

  3.氢键受体数量:1

  4.可旋转化学键数量:0

  5.互变异构体数量:2

  6.拓扑分子极性表面积28.7

  7.重原子数量:7

  8.表面电荷:0

  9.复杂度:63.1

  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：白色结晶

  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）：90-92℃

  5. 沸点（ºC, 1mmHg）：95-103℃

  6. 沸点（ºC, 733 mmHg）：266 °C

  7. 折射率：未确定

  8. 闪点（ºC 733 mmHg）：266 °C

  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

MSDS

Name: 2 4-Dimethylimidazole Tech. 90% Material Safety Data Sheet Synonym: None Known CAS: 930-62-1 Section 1 - Chemical Product MSDS Name:2 4-Dimethylimidazole Tech. 90% Material Safety Data Sheet Synonym:None Known Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 930-62-1 2,4-Dimethylimidazole, Tech. 90 213-221-4 Hazard Symbols: C Risk Phrases: 22 34 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful if swallowed. Causes burns. Potential Health Effects Eye: Causes eye burns. Skin: Causes skin burns. Ingestion: Harmful if swallowed. Causes gastrointestinal tract burns. Inhalation: Causes chemical burns to the respiratory tract. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid immediately. Skin: In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid immediately. Wash clothing before reuse. Ingestion: If swallowed, do NOT induce vomiting. Get medical aid immediately. If victim is fully conscious, give a cupful of water. Never give anything by mouth to an unconscious person. Inhalation: Remove from exposure and move to fresh air immediately. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask. Notes to Physician: 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 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: Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Use only in a chemical fume hood. Discard contaminated shoes. 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# 930-62-1: 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: 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: Chunks Color: yellow to orange Odor: None reported. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: 266 deg C @733 mmHg Freezing/Melting Point: 85 - 87 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: C5H8N2 Molecular Weight: 96.13 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 930-62-1: NI4839712 LD50/LC50: Not available. Carcinogenicity: 2,4-Dimethylimidazole, Tech. - Not listed by ACGIH, IARC, or NTP. Other: See actual entry in RTECS for complete information. Section 12 - ECOLOGICAL INFORMATION Ecotoxicity: Fish: Pseudomonas putida: 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 22 Harmful if swallowed. 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# 930-62-1: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 930-62-1 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 930-62-1 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

毒理学数据: 急性毒性：小鼠腹腔LD50：500mg/kg 生态学数据: 对水是稍微有害的，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): C:Corrosive;
• 风险声明 (欧洲): R22;R34
• 安全声明 (欧洲): S45-S36/37/39-S26
• 危险品运输编码: 3263
• RTECS号: NI4839712
• 包装等级: I; II; III
• 海关编码: 2933290090

合成路线

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海关

海关编码	2933290090
中文概述	2933290090. 其他结构含非稠合咪唑环的化合物. 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:20.0%
申报要素	品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%