6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione

Basic Information

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CAS Number

34090-76-1

Molecular Formula

C9H10O3

Molecular Weight

168.19 g/mol

EINECS

251-823-9

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

-29 °C

Boiling Point

120 °C (0.7501 mmHg)

Density

1.162 g/mL at 25 °C

Water Solubility

9.5g/L at 20℃

Flash Point

>230 °F

Refractive Index

n20/D 1.477(lit.)

Vapor Pressure

0.373Pa at 25℃

SMILES

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CC1CCC2C(C1)C(=O)OC2=O

InChI

InChI=1S/C9H10O3/c1-5-2-3-6-7(4-5)9(11)12-8(6)10/h4,6-7H,2-3H2,1H3

InChIKey

MWSKJDNQKGCKPA-UHFFFAOYSA-N

LogP

1.1221999999999999

pKa

4.2[at 20 ℃]

Topological Polar Surface Area

43.370000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

288

Synonyms & References

English

HEXAHYDRO-3-METHYLPHTHALIC ANHYDRIDE
4-Methylhexahydrophthalic anhydride
3-METHYL-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE
4-METHYLCYCLOHEXANE-1,2-DICARBOXYLIC ANHYDRIDE
tetrahydro-5-methyl-3-isobenzofurandione
tetrahydro-4-methylphthalic anhydride
Methyltetrahydrophthalic Anhydride (MTHPA)
1,3-Isobenzofurandione, tetrahydro-5-methyl-
cis-4-Methyl-1,2,3,6-tetrahydrophthalic anhydride
4-Methyl Tetrahydrophthalic Anhydride
4-Methylcyclohexane-1,2-dicarboxylic anhydride
1,2,3,6-Tetrahydro-4-methylphthalic anhydride
HEXAHYDRO-4-METHYLPHTHALIC ANHYDRIDE
5-methyl-4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
MeH-HPA

EC Number

251-823-9

Customs Code

2917209090

FAQ

What is 6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione (CAS: 34090-76-1)?

6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione is a chemical compound with the CAS number 34090-76-1. It is a dione derived from benzofuran and contains a methyl group at position 6. The compound has a molecular formula of C11H10O3 and is used in various applications.

What are the main uses of 6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione (CAS: 34090-76-1)?

6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione is primarily used in the pharmaceutical industry as an intermediate for the synthesis of drugs. It also finds applications in research and development as a building block for organic synthesis and as a chemical reagent.

Is 6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione (CAS: 34090-76-1) safe?

6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione is generally considered safe when handled with appropriate precautions. However, it is important to follow safety guidelines, including the use of personal protective equipment (PPE) such as gloves and goggles, and to store it away from heat sources and direct sunlight. Compliance with local regulations and safety standards is essential.

How should 6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione (CAS: 34090-76-1) be stored?

6-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione should be stored in a cool, dry place away from direct sunlight and heat sources. It is recommended to keep the compound in a tightly sealed container to prevent moisture and light exposure. Storage at temperatures below 25°C is advised to maintain its stability and purity.