Chemical identity

Phthalic Anhydride

CAS 85-44-9 · C8H4O3

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-32354
PubChem CID6811
NamePhthalic Anhydride
CAS RN85-44-9
Molecular formulaC8H4O3
Molecular weight148.12 g/mol
IUPAC name2-benzofuran-1,3-dione
InChIKeyLGRFSURHDFAFJT-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 6811
Two-dimensional chemical structure of Phthalic Anhydride, CAS 85-44-9
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count2
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESO=C1OC(C2=CC=CC=C21)=O
InChINot listed
Formula from structureC8H4O3
Molecular weight from structure148.12 g/mol

03India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNO EXACT MATCH FOUNDCAS 85-44-9 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 85-44-9 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

04Names and relationships

Associated parent compound

Chemical

View associated product family

Other names

No synonyms are listed.

05Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

06Sources