24526-69-0

• 常用中文名：3-氰基-4-甲基香豆素
• 常用英文名：3-cyano-4-methylcoumarin
• CAS号：24526-69-0
• 分子式：C₁₁H₇NO₂
• 分子量：185.17900
• 发布时间：2018-09-08 18:44:06
• 更新时间：2024-01-04 21:03:47

名称

• 中文名: 3-氰基-4-甲基香豆素
• 英文名: 4-methyl-2-oxochromene-3-carbonitrile
• 英文别名: MFCD00486386; 4-methylcoumarin-3-carbonitrile; 4-methyl-2-oxo-benzo[b]pyran-3-carbonitrile; 3-Cyano-4-methylcoumarin; 4-Methyl-2-oxo-2H-chromene-3-carbonitrile; 3-cyano-4-methyl-2H-chromen-2-one; Coumarine,3-cyano-4-methyl

物化性质

• 密度: 1.29g/cm3
• 沸点: 352.2ºC at 760mmHg
• 熔点: 192-195 °C (dec.)(lit.)
• 分子式: C₁₁H₇NO₂
• 分子量: 185.17900
• 闪点: 168.1ºC
• 精确质量: 185.04800
• PSA: 54.00000
• LogP: 1.97308
• 蒸汽压: 3.9E-05mmHg at 25°C
• 折射率: 1.601
• 储存条件:

  密封于阴凉干燥环境中

• 稳定性:

  常温常压下稳定

  避免氧化剂

• 分子结构:

  1、摩尔折射率：不确定

  2、 摩尔体积（cm³/mol）：不确定

  3、 等张比容（90.2K）：不确定 4、 表面张力（dyne/cm）：不确定

  5、 极化率：不确定

• 计算化学:

  1.疏水参数计算参考值（XlogP）:1.8

  2.氢键供体数量:0

  3.氢键受体数量:3

  4.可旋转化学键数量:0

  5.互变异构体数量:无

  6.拓扑分子极性表面积50.1

  7.重原子数量:14

  8.表面电荷:0

  9.复杂度:348

  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：不确定

  2. 密度（g/mL,25/4℃）：不确定

  3. 相对蒸汽密度（g/mL,空气=1）：不确定

  4. 熔点（ºC）：192-195

  5. 沸点（ºC,常压）：不确定

  6. 沸点（ºC,5.2kPa）：不确定

  7. 折射率：不确定

  8. 闪点（ºC）：不确定

  9. 比旋光度（º）：不确定

  10. 自燃点或引燃温度（ºC）：不确定

  11. 蒸气压（kPa,25ºC）：不确定

  12. 饱和蒸气压（kPa,60ºC）：不确定

  13. 燃烧热（KJ/mol）：不确定

  14. 临界温度（ºC）：不确定

  15. 临界压力（KPa）：不确定

  16. 油水（辛醇/水）分配系数的对数值：不确定

  17. 爆炸上限（%,V/V）：不确定

  18. 爆炸下限（%,V/V）：不确定

  19. 溶解性：不确定

MSDS

Name: 3-Cyano-4-methylcoumarin Material Safety Data Sheet Synonym: CAS: 24526-69-0 Section 1 - Chemical Product MSDS Name:3-Cyano-4-methylcoumarin Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 24526-69-0 3-Cyano-4-methylcoumarin unlisted Hazard Symbols: XN Risk Phrases: 20/21/22 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. Harmful if absorbed through the skin. Ingestion: Harmful if swallowed. May cause irritation of the digestive tract. Inhalation: Harmful if inhaled. Causes respiratory tract irritation. 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: 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# 24526-69-0: 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: light green Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 191 - 193 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: C11H7NO2 Molecular Weight: 185.18 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: Will not occur. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 24526-69-0 unlisted. LD50/LC50: Not available. Carcinogenicity: 3-Cyano-4-methylcoumarin - 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: TOXIC SOLID, ORGANIC, N.O.S.* Hazard Class: 6.1 UN Number: 2811 Packing Group: III IMO Shipping Name: TOXIC SOLID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2811 Packing Group: III RID/ADR Shipping Name: TOXIC SOLID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2811 Packing group: III Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XN Risk Phrases: R 20/21/22 Harmful by inhalation, in contact with skin and if swallowed. 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 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 24526-69-0: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 24526-69-0 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 24526-69-0 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): Xn: Harmful;
• 风险声明 (欧洲): 20/21/22
• 安全声明 (欧洲): S26-S36
• WGK德国: 3
• 海关编码: 2932209090

合成路线

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海关

海关编码	2932209090
中文概述	2932209090. 其他内酯. 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
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