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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

IUPAC name:
3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),5,7,9,11-pentaene-2,4-dione

Inventory

EC number:
201-380-2
EC name:
Naphthalene-1,8-dicarboxylic anhydride
CAS number:
81-84-5
CAS number:
81-84-5
Synonyms
Names:
1H,3H-Naphtho 1,8-cd pyran-1,3-dione
1H,3H-Naphtho[1,8-cd]pyran-1,3-dione
1H,3H-benzo[de]isochromene-1,3-dione

Molecular and structural information

Molecular formula:
C12H6O3
Molecular weight:
198.174
SMILES notation:
O=C1OC(=O)c2cccc3cccc1c23
InChl:
InChI=1/C12H6O3/c13-11-8-5-1-3-7-4-2-6-9(10(7)8)12(14)15-11/h1-6H
Structural formula:
Chemical structure

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