26791-93-5

• 常用中文名：4,5-二甲氧基-2-硝基苯甲酸甲酯
• 常用英文名：Methyl 4,5-dimethoxy-2-nitrobenzoate
• CAS号：26791-93-5
• 分子式：C₁₀H₁₁NO₆
• 分子量：241.197
• 发布时间：2018-07-26 20:51:34
• 更新时间：2024-01-09 19:29:50

• 用作医药中间体

名称

• 中文名: 6-硝基藜芦酸甲酯
• 英文名: Methyl 4,5-dimethoxy-2-nitrobenzoate
• 中文别名: 4,5-二甲氧基-2-硝基苯甲酸甲酯
• 英文别名: EINECS 248-008-5; Benzoic acid,4,5-dimethoxy-2-nitro-,methyl ester; methyl 2-nitro-3,4-dimethoxybenzoate; methyl 3,4-dimethoxy-6-nitro-benzoate; Benzoic acid, 4,5-dimethoxy-2-nitro-, methyl ester; methyl 2-nitroveratrate; MFCD00007239; 6-nitroveratric acid methyl ester; Methyl 4,5-dimethoxy-2-nitrobenzoate; Methyl 6-nitroveratrate; 3,4-dimethoxy-6-nitrobenzoic acid,methyl ester; Methyl-4,5-dimethoxy-2-nitrobenzolcarboxylat; 4,5-Dimethoxy-2-nitrobenzoic acid,methyl ester; 4,5-Dimethoxy-2-nitrobenzoic acid, methyl ester

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 381.4±37.0 °C at 760 mmHg
• 熔点: 141-144 °C(lit.)
• 分子式: C₁₀H₁₁NO₆
• 分子量: 241.197
• 闪点: 176.0±28.5 °C
• 精确质量: 241.058640
• PSA: 90.58000
• LogP: 1.99
• 蒸汽压: 0.0±0.9 mmHg at 25°C
• 折射率: 1.531
• 储存条件:

  保持贮藏器密封

  放入紧密的贮藏器内，储存在阴凉，干燥的地方

• 稳定性:

  如果遵照规格使用和储存则不会分解

  避免接触氧化物
• 分子结构:

  1、 摩尔折射率：57.92

  2、 摩尔体积（m³/mol）：187.1

  3、 等张比容（90.2K）：480.9

  4、 表面张力（dyne/cm）：43.5

  5、 极化率（10 ^-24cm ³）：22.96

• 计算化学:

  1.疏水参数计算参考值（XlogP）:1.5

  2.氢键供体数量:0

  3.氢键受体数量:6

  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90.6

  7.重原子数量:17

  8.表面电荷:0

  9.复杂度:289

  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：未确定

  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）：142-144

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,5.2kPa）：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（kpa,20ºC）：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: Methyl 4,5-dimethoxy-2-nitrobenzoate, 97% Material Safety Data Sheet Synonym: CAS: 26791-93-5 Section 1 - Chemical Product MSDS Name: Methyl 4,5-dimethoxy-2-nitrobenzoate, 97% Material Safety Data Sheet Synonym: SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 26791-93-5 Methyl 4,5-dimethoxy-2-nitrobenzoate 97% 248-008-5 Hazard Symbols: None Listed. 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. 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: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 26791-93-5: 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: 141 - 144 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: C10H11NO6 Molecular Weight: 241 SECTION 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Oxidizing agents, reducing agents, strong acids. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide, acrid smoke and fumes. Hazardous Polymerization: Has not been reported SECTION 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 26791-93-5 unlisted. LD50/LC50: Not available. Carcinogenicity: Methyl 4,5-dimethoxy-2-nitrobenzoate - 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# 26791-93-5: No information available. Canada CAS# 26791-93-5 is listed on Canada's NDSL List. CAS# 26791-93-5 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 26791-93-5 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION MSDS Creation Date: 6/10/2003 Revision #0 Date: Original. 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: 通常来说对水是不危害的，若无政府许可，勿将材料排入周围环境

安全

• 危害码 (欧洲): Xi: Irritant;
• 安全声明 (欧洲): S22-S24/25
• WGK德国: 3

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