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Sigma-Aldrich

1-Cyclopentene-1,2-dicarboxylic anhydride

96%

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About This Item

Empirical Formula (Hill Notation):
C7H6O3
CAS Number:
Molecular Weight:
138.12
Beilstein/REAXYS Number:
123650
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

assay

96%

form

solid

refractive index

n20/D 1.4978 (lit.)

bp

133-135 °C/10 mmHg (lit.)

mp

42-45 °C (lit.)

SMILES string

O=C1OC(=O)C2=C1CCC2

InChI

1S/C7H6O3/c8-6-4-2-1-3-5(4)7(9)10-6/h1-3H2

InChI key

GBBPFLCLIBNHQO-UHFFFAOYSA-N

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Application

Valuable Diels-Alder dienophile, for example, in approach to the bicycloundecane system in taxanes.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

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Journal of the Chemical Society. Perkin Transactions 1, 2281-2281 (1993)
Journal of the Chemical Society. Perkin Transactions 1, 1587-1587 (1992)

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