23405-32-5

23405-32-5结构式

常用中文名：1-氧代-1,3-二氢异苯并呋喃-5-羧酸甲酯
常用英文名：5-Carbomethoxyphthalide
CAS号：23405-32-5
分子式：C₁₀H₈O₄
分子量：192.16800
发布时间：2018-06-21 11:20:24
更新时间：2024-01-11 13:25:04

中文名	5-甲酸甲酯苯酞
英文名	methyl 1-oxo-3H-2-benzofuran-5-carboxylate
英文别名	5-Carbomethoxy-phthalid 1-oxo-phthalan-5-carboxylic acid methyl ester 5-carbomethoxyphthalide 1-oxo-1,3-dihydro-isobenzofuran-5-carboxylic acid methyl ester methyl 1-oxo-1,3-dihydro-5-isobenzofurancarboxylate Methyl phthalide-5-carboxylate 1-Oxo-phthalan-5-carbonsaeure-methylester

密度	1.334g/cm3
沸点	399.1ºC at 760 mmHg
分子式	C₁₀H₈O₄
分子量	192.16800
闪点	213.9ºC
精确质量	192.04200
PSA	52.60000
LogP	1.14360
蒸汽压	1.4E-06mmHg at 25°C
折射率	1.571
储存条件	室温，干燥密封

Material Safety Data Sheet

Section1. Identiﬁcation of the substance
Product Name: Methyl phthalide-5-carboxylate
Synonyms:Methyl 1-oxo-3H-2-benzofuran-5-carboxylate

Section2. Hazards identiﬁcation
Harmful by inhalation, in contact with skin, and if swallowed.

Section3. Composition/information on ingredients.
Ingredient name:Methyl phthalide-5-carboxylate
CAS number:23405-32-5

Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
ﬂushing of the eyes by separating the eyelids with ﬁngers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

Section5. Fire ﬁghting measures
In the event of a ﬁre involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualiﬁed
in the handling and use of potentially hazardous chemicals, who should take into account the ﬁre,
health and chemical hazard data given on this sheet.
Store in closed vessels.
Storage:

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Appearance:Not speciﬁed
Boiling point:No data
No data
Melting point:
Flash point:No data
Density:No data
Molecular formula:C10H8O4
Molecular weight:192.2

Section10. Stability and reactivity
Conditions to avoid: Heat, ﬂames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.

SECTION 16 - ADDITIONAL INFORMATION
N/A

海关编码	2932999099

107-19-7

922-67-8

~82%

23405-32-5

文献：Chang, Hong-Tai; Jeganmohan, Masilamani; Cheng, Chien-Hong Chemical Communications, 2005 , # 39 p. 4955 - 4957

1679-64-7

74-95-3

~53%

23405-32-5

文献：Zhang, Yang-Hui; Shi, Bing-Feng; Yu, Jin-Quan Angewandte Chemie, International Edition, 2009 , vol. 48, # 33 p. 6097 - 6100 Angewandte Chemie, 2009 , vol. 121, # 33 p. 6213 - 6216