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benzophenone-3,3',4,4'-tetracarboxylic dianhydride; 4,4'-carbonyldi(phthalic anhydride)

CAS 2421-28-5 · C17H6O7

Hazard class

Warning — Irritant / harmful

Pictograms

Irritant / harmful

H-statements

H335 May cause respiratory irritation
H319 Causes serious eye irritation

Common uses (US EPA CDR)

Intermediate

Synonyms

Benzophenonetetracarboxylic dianhydride · 1,3-Isobenzofurandione, 5,5'-carbonylbis- · 4,4'-Carbonyldiphthalic anhydride · Benzophenonetetracarboxylic acid dianhydride · 4,4'-Carbonylbis(phthalic anhydride) · 4,4'-Diphthalic anhydride ketone · Phthalic anhydride, 4,4'-carbonyldi- · 3,3',4,4'-Tetracarboxybenzophenone dianhydride

Molecular weight

322.22 g/mol

Browse similar

Irritant / harmful

Data source

Harmonised classification ECHA — EU CLP Annex VI

Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.

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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console

Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.