5-Methyl-2-benzofuran-1,3-dione

Modify Date: 2024-01-02 08:59:58

5-Methyl-2-benzofuran-1,3-dione Structure
5-Methyl-2-benzofuran-1,3-dione structure
Common Name 5-Methyl-2-benzofuran-1,3-dione
CAS Number 19438-61-0 Molecular Weight 162.142
Density 1.4±0.1 g/cm3 Boiling Point 295.0±0.0 °C at 760 mmHg
Molecular Formula C9H6O3 Melting Point 90-92 °C(lit.)
MSDS USA Flash Point 156.3±19.2 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 4-Methylphthalic anhydride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 295.0±0.0 °C at 760 mmHg
Melting Point 90-92 °C(lit.)
Molecular Formula C9H6O3
Molecular Weight 162.142
Flash Point 156.3±19.2 °C
Exact Mass 162.031693
PSA 43.37000
LogP 2.06
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.597
Water Solubility insoluble

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2932999099

 Synthetic Route

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5-Methyl-2-benzofuran-1,3-dione Structure

5-Methyl-2-benz...

CAS#:19438-61-0

Literature: Journal of the American Chemical Society, , vol. 78, p. 6137

~96%

5-Methyl-2-benzofuran-1,3-dione Structure

5-Methyl-2-benz...

CAS#:19438-61-0

Literature: Nandhikonda, Premchendar; Heagy, Michael D. Organic Letters, 2010 , vol. 12, # 21 p. 4796 - 4799

~10%

5-Methyl-2-benzofuran-1,3-dione Structure

5-Methyl-2-benz...

CAS#:19438-61-0

Detail
Literature: Journal of applied chemistry of the USSR, , vol. 60, # 1 pt 2 p. 136 - 138

~5%

5-Methyl-2-benzofuran-1,3-dione Structure

5-Methyl-2-benz...

CAS#:19438-61-0

Detail
Literature: J. Appl. Chem. USSR (Engl. Transl.), , vol. 61, # 9 p. 2060 - 2063,1863 - 1866

~%

5-Methyl-2-benzofuran-1,3-dione Structure

5-Methyl-2-benz...

CAS#:19438-61-0

Literature: Journal of the American Chemical Society, , vol. 78, p. 6137

~%

5-Methyl-2-benzofuran-1,3-dione Structure

5-Methyl-2-benz...

CAS#:19438-61-0

Literature: Journal of the American Chemical Society, , vol. 72, p. 3732

~%

5-Methyl-2-benzofuran-1,3-dione Structure

5-Methyl-2-benz...

CAS#:19438-61-0

Detail
Literature: Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 31, # 4 p. 817 - 820 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 4 p. 925 - 928

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4-methylphthalic acid anhydride
4-Methylphthalic anh
5-methyl-3-isobenzofurandione
5-methylphthalic acid anhydride
Resorcinol dibenzoate
1,3-Isobenzofurandione, 5-methyl-
4-Methylphalic Anhydride
4-methyl-phthalic anhydride
4-Methylphthalic Anhydride
5-Methyl-1,3-isobenzofurandione
Ethyl-2-benzofuran
MFCD00041856
5-Methyl-2-benzofuran-1,3-dione
5-Methylisobenzofuran-1,3-dione
EINECS 243-073-6
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