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245933

Sigma-Aldrich

Valeric anhydride

97%

Synonym(s):

Pentanoic anhydride

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About This Item

Linear Formula:
[CH3(CH2)3CO]2O
CAS Number:
Molecular Weight:
186.25
Beilstein:
1770130
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

form

liquid

refractive index

n20/D 1.421 (lit.)

bp

228-230 °C (lit.)

mp

−56 °C (lit.)

density

0.944 g/mL at 20 °C (lit.)

SMILES string

CCCCC(=O)OC(=O)CCCC

InChI

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

InChI key

DUCKXCGALKOSJF-UHFFFAOYSA-N

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Application

Valeric anhydride can be used as a reactant to synthesize:
  • Alkyl 9-nitrocamptothecin esters by the esterification reaction.
  • Modified bismuth metal-organic frameworks (Bi-MOFs).
  • O-acylated chitosan nanofibers (CSNFs) for potential usage in biomaterials and food packaging.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

210.2 °F - closed cup

Flash Point(C)

99 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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O-acylation of chitosan nanofibers by short-chain and long-chain fatty acids
Zhang Z, et al.
Carbohydrate Polymers, 177, 203-209 (2017)
Zhi-Song Cao et al.
Acta pharmacologica Sinica, 24(2), 109-119 (2003-01-28)
To study the structure-activity relationship of alkyl 9-nitrocamptothecin esters. Two alkyl 9-nitrocamptothecin (9NC) esters 5g and 5h were prepared by esterification reactions of 9NC with valeric anhydride and heptanoic anhydride, respectively. Eight 9NC esters 5a-5h were tested for cytotoxicity against
Synthesis, functionalisation and post-synthetic modification of bismuth metal-organic frameworks
Koppen M, et al.
Dalton Transactions, 46(26), 8658-8663 (2017)
Karolina Skołucka-Szary et al.
Materials science & engineering. C, Materials for biological applications, 55, 50-60 (2015-06-29)
In this article, the synthesis of novel biopolymer, chitin dipentanoate (Di-O-Valeryl Chitin, DVCH) has been described. DVCH is a chitin derivative esterified with two valeryl groups at positions 3 and 6 of the N-acetylglucosamine units and it is soluble in

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