Pentanoic anhydride

Basic Information

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CAS Number

2082-59-9

Molecular Formula

C10H18O3

Molecular Weight

186.25 g/mol

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 Physical Properties

Melting Point

−56 °C

Boiling Point

227°C

Refractive Index

n20/D 1.421(lit.)

SMILES

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CCCCC(=O)OC(=O)CCCC

InChI

InChI=1S/C10H18O3/c1-3-5-7-9(11)13-10(12)8-6-4-2/h3-8H2,1-2H3

InChIKey

DUCKXCGALKOSJF-UHFFFAOYSA-N

LogP

2.4366000000000003

Topological Polar Surface Area

43.370000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

146

Safety Information

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Hazard Statement

H290 May be corrosive to metals
Corrosive to Metals

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Synonyms & References

English

Pentanoic anhydride
Valeric anhydride, purum, >=98.0% (NT)
E70315
EINECS 218-212-9
2082-59-9
F0001-0745
MFCD00009477
HY-W099747
N9B5ZQ67R5
LS-13876
SCHEMBL242588
pentanoyl pentanoate
FT-0634021
UNII-N9B5ZQ67R5
DTXSID70870934
DUCKXCGALKOSJF-UHFFFAOYSA-
AKOS015918324
V0006
pentanoic acid anhydride
n-pentanoic anhydride
J-013658
Valeric anhydride, 97%
InChI=1/C10H18O3/c1-3-5-7-9(11)13-10(12)8-6-4-2/h3-8H2,1-2H3
CS-0152389
NS00046020
VALERICANHYDRIDE
EN300-7400928
n-Valeric anhydride
Pentanoic acid, anhydride
valeric acid anhydride
Pentanoic acid, 1,1'-anhydride

MDL Number

MFCD00009477

Customs Code

2915900090

FAQ

What are the physical and chemical properties of Pentanoic anhydride (CAS: 2082-59-9)?

Pentanoic anhydride (CAS: 2082-59-9) is a crystalline solid with a molecular weight of approximately 112.13 g/mol. It is poorly soluble in water but soluble in organic solvents. Chemically, it is highly reactive and can undergo condensation reactions easily.

How is pentanoic anhydride (CAS: 2082-59-9) typically synthesized?

Pentanoic anhydride can be synthesized by heating pentanoic acid in the presence of a dehydrating agent like phosphorus oxychloride or phosphorus pentoxide. The reaction is exothermic and results in the formation of the anhydride with high yield.

What industries use pentanoic anhydride (CAS: 2082-59-9)?

Pentanoic anhydride is used in the pharmaceutical industry for the synthesis of certain drugs, in the polymer industry as a monomer, and in the chemical sensors industry as a reagent. It is also utilized in the semiconductor industry for specific processing steps.

What precautions should be taken when handling pentanoic anhydride (CAS: 2082-59-9)?

When handling pentanoic anhydride (CAS: 2082-59-9), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. The substance should be handled in a well-ventilated area or a fume hood. Spills should be cleaned up immediately, and proper safety data sheets (SDS) should be consulted for detailed information on emergency procedures.