4-Ethynylphthalic Anhydride
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
73819-76-8
Chemical name
4-Ethynylphthalic Anhydride
Molecular formula
C10H4O3
Molecular weight
172.14 g/mol
Synonyms
5-ethynylisobenzofuran-1,3-dione; 5-ethynyl-1,3-dihydro-2-benzofuran-1,3-dione; 1,3-Isobenzofurandione, 5-ethynyl-; E0579
InChIKey
DXJLXGJIZZNCBO-UHFFFAOYSA-N
PubChem CID
11321228
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H315, H319
Catalog reference cue; confirm supplier documentation before use.
XLogP
1.5
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.