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Identification

Chemical structure
Display Name:
Tetrahydrophthalic anhydride
EC Number:
247-570-9
EC Name:
Tetrahydrophthalic anhydride
CAS Number:
26266-63-7
Molecular formula:
C8H8O3
IUPAC Name:
3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

THPA
(acronym)

Compositions

Boundary Composition(s) open all close all

State Form:
other: solid: amorphous


Constituent 1
Chemical structure
Reference substance name:
3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
CAS Number:
4717-58-2
Molecular formula:
C8H8O3
IUPAC Name:
3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
Constituent 2
Chemical structure
Reference substance name:
1,2,3,6-tetrahydrophthalic anhydride
EC Number:
201-605-4
EC Name:
1,2,3,6-tetrahydrophthalic anhydride
CAS Number:
85-43-8
Molecular formula:
C8H8O3
IUPAC Name:
3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
Constituent 3
Chemical structure
Reference substance name:
3a,4,5,6-tetrahydro-2-benzofuran-1,3-dione
CAS Number:
4717-57-1
Molecular formula:
C8H8O3
IUPAC Name:
3a,4,5,6-tetrahydro-2-benzofuran-1,3-dione
Constituent 4
Chemical structure
Reference substance name:
3,4,5,6-tetrahydrophthalic anhydride
EC Number:
219-374-3
EC Name:
3,4,5,6-tetrahydrophthalic anhydride
CAS Number:
2426-02-0
Molecular formula:
C8H8O3
IUPAC Name:
4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
Constituent 5
Reference substance name:
undefined impurity
Molecular formula:
not applicable
IUPAC Name:
undefined impurity

Legal Entity Composition(s) open all close all

State Form:
other: solid: amorphous


Constituent 1
Chemical structure
Reference substance name:
3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
CAS Number:
4717-58-2
Molecular formula:
C8H8O3
IUPAC Name:
3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
Constituent 2
Chemical structure
Reference substance name:
1,2,3,6-tetrahydrophthalic anhydride
EC Number:
201-605-4
EC Name:
1,2,3,6-tetrahydrophthalic anhydride
CAS Number:
85-43-8
Molecular formula:
C8H8O3
IUPAC Name:
3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
Constituent 3
Chemical structure
Reference substance name:
3a,4,5,6-tetrahydro-2-benzofuran-1,3-dione
CAS Number:
4717-57-1
Molecular formula:
C8H8O3
IUPAC Name:
3a,4,5,6-tetrahydro-2-benzofuran-1,3-dione
Constituent 4
Chemical structure
Reference substance name:
3,4,5,6-tetrahydrophthalic anhydride
EC Number:
219-374-3
EC Name:
3,4,5,6-tetrahydrophthalic anhydride
CAS Number:
2426-02-0
Molecular formula:
C8H8O3
IUPAC Name:
4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
Constituent 5
Reference substance name:
undefined impurity
Molecular formula:
not applicable
IUPAC Name:
undefined impurity

Composition(s) generated upon use

Other types of composition(s)