69169-71-7

• 常用中文名：8-甲氧基-4-甲基苯并[g]香豆素
• 常用英文名：8-methoxy-4-methyl-2H-benzo(g)chromen-2-one
• CAS号：69169-71-7
• 分子式：C₁₅H₁₂O₃
• 分子量：240.254
• 发布时间：2018-12-05 02:23:37
• 更新时间：2024-01-30 17:18:03

名称

• 中文名: 8-甲氧基-4-甲基苯并〔G〕香豆素
• 英文名: 8-methoxy-4-methylbenzo[g]chromen-2-one
• 中文别名: 8-甲氧基-4-甲基苯并[g]香豆素; 8-甲氧基-4-甲基苯并香豆素
• 英文别名: m1862; 8-methoxy-4-methyl-2H-benzo(g)chromen-2-one; 8-Methoxy-4-methyl-2H-benzo[g]chromen-2-one; 2H-Naphtho[2,3-b]pyran-2-one, 8-methoxy-4-methyl-

物化性质

• 密度: 1.2±0.1 g/cm3
• 沸点: 438.1±30.0 °C at 760 mmHg
• 熔点: 221ºC
• 分子式: C₁₅H₁₂O₃
• 分子量: 240.254
• 闪点: 187.1±19.2 °C
• 精确质量: 240.078644
• PSA: 39.44000
• LogP: 3.57
• 外观性状: 固体;Light orange to Yellow to Green powder to crystal
• 蒸汽压: 0.0±1.1 mmHg at 25°C
• 折射率: 1.633
• 储存条件:

  存放在密封容器内，并放在阴凉，干燥处。储存的地方必须远离氧化剂，远离热源，避光保存。

• 稳定性:

  常温常压下稳定，远离氧化剂。

• 分子结构:

  1、 摩尔折射率：68.99

  2、 摩尔体积（m³/mol）：193.1

  3、 等张比容（90.2K）：505.4

  4、 表面张力（dyne/cm）：46.8

  5、 极化率（10 ^-24cm ³）：27.35

• 计算化学:

  1.疏水参数计算参考值（XlogP）:3

  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:1

  5.互变异构体数量:无

  6.拓扑分子极性表面积35.5

  7.重原子数量:18

  8.表面电荷:0

  9.复杂度:374

  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：浅黄色至黄色结晶。

  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）：221

  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,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

8-Methoxy-4-methylbenzo[g]coumarin Revision number: 5 SAFETY DATA SHEET Section1. IDENTIFICATION Product name:8-Methoxy-4-methylbenzo[g]coumarin Revision number:5 Section2. HAZARDS IDENTIFICATION GHS classification PHYSICAL HAZARDSNot classified Not classified HEALTH HAZARDS ENVIRONMENTAL HAZARDSNot classified GHS label elements, including precautionary statements Pictograms or hazard symbolsNone No signal word Signal word Hazard statementsNone None Precautionary statements: Section3. COMPOSITION/INFORMATION ON INGREDIENTS Substance/mixture:Substance Components:8-Methoxy-4-methylbenzo[g]coumarin Percent:>98.0%(LC) CAS Number:69169-71-7 Synonyms:8-Methoxy-4-methyl-2H-naphtho[2,3-b]pyran-2-one Chemical Formula:C15H12O3 Section4. FIRST AID MEASURES Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing. Get medical advice/attention if you feel unwell. Skin contact:Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If skin irritation or rash occurs: Get medical advice/attention. Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth. Protection of first-aiders:A rescuer should wear personal protective equipment, such as rubber gloves and air- tight goggles. Section5. FIRE-FIGHTING MEASURES Suitable extinguishingDry chemical, foam, water spray, carbon dioxide. media: Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place. In case of fire in the surroundings: Remove movable containers if safe to do so. 8-Methoxy-4-methylbenzo[g]coumarin Section5. FIRE-FIGHTING MEASURES Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment. equipment for firefighters: Section6. ACCIDENTAL RELEASE MEASURES Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak. protective equipment and Entry to non-involved personnel should be controlled around the leakage area by emergency procedures: roping off, etc. Environmental precautions: Prevent product from entering drains. Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it. containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with up: appropriate laws and regulations. Section7. HANDLING AND STORAGE Precautions for safe handling Handling is performed in a well ventilated place. Wear suitable protective equipment. Technical measures: Prevent dispersion of dust. Wash hands and face thoroughly after handling. Use a local exhaust if dust or aerosol will be generated. Advice on safe handling: Avoid contact with skin, eyes and clothing. Conditions for safe storage, including any incompatibilities Keep container tightly closed. Store in a cool and dark place. Storage conditions: Store away from incompatible materials such as oxidizing agents. Packaging material:Comply with laws. Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION Engineering controls:Install a closed system or local exhaust as possible so that workers should not be exposed directly. Also install safety shower and eye bath. Personal protective equipment Respiratory protection: Dust respirator. Follow local and national regulations. Hand protection:Protective gloves. Eye protection:Safety glasses. A face-shield, if the situation requires. Skin and body protection: Protective clothing. Protective boots, if the situation requires. Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Solid Form:Crystal- Powder Colour:Slightly pale yellow - Yellow Odour:No data available pH: No data available Melting point/freezing point:221°C Boiling point/range:No data available Flash point:No data available Flammability or explosive limits: No data available Lower: Upper:No data available No data available Relative density: Solubility(ies): [Water]No data available [Other solvents]No data available Section10. STABILITY AND REACTIVITY Stable under proper conditions. Chemical stability: Possibility of hazardous No special reactivity has been reported. reactions: Incompatible materials: Oxidizing agents 8-Methoxy-4-methylbenzo[g]coumarin Section10. STABILITY AND REACTIVITY Hazardous decomposition Carbon monoxide, Carbon dioxide products: Section11. TOXICOLOGICAL INFORMATION Acute Toxicity:No data available Skin corrosion/irritation: No data available Serious eyeNo data available damage/irritation: Germ cell mutagenicity: No data available Carcinogenicity: IARC =No data available NTP =No data available Reproductive toxicity:No data available Section12. ECOLOGICAL INFORMATION Ecotoxicity: No data available Fish: Crustacea:No data available No data available Algae: Persistence / degradability: No data available No data available Bioaccumulative potential(BCF): Mobility in soil Log Pow:No data available No data available Soil adsorption (Koc): Henry's LawNo data available constant(PaM3/mol): Section13. DISPOSAL CONSIDERATIONS Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance. Section14. TRANSPORT INFORMATION Hazards Class:Does not correspond to the classification standard of the United Nations Not listed UN-No: Section15. REGULATORY INFORMATION Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002 and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were prescribed. 8-Methoxy-4-methylbenzo[g]coumarin SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 海关编码: 2932209090

合成路线

69169-70-6 74-88-4 ~76% 69169-71-7

文献：Fernandes, Maria J.G.; Goncalves, M. Sameiro T.; Costa, Susana P.G. Tetrahedron, 2008 , vol. 64, # 13 p. 3032 - 3038

5060-82-2 141-97-9 ~29% 69169-71-7

文献：Uchiyama, Seiichi; Takehira, Kazuyuki; Yoshihara, Toshitada; Tobita, Seiji; Ohwada, Tomohiko Organic Letters, 2006 , vol. 8, # 25 p. 5869 - 5872

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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
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%