Registration Dossier

Identification

Chemical structure
Display Name:
Tetrahydromethylphthalic anhydride
EC Number:
234-290-7
EC Name:
Tetrahydromethylphthalic anhydride
CAS Number:
11070-44-3
Molecular formula:
C9H10O3
IUPAC Name:
(3aS,4R,7aR)-4-methyl-1,3,3a,4,7,7a-hexahydro-2-benzofuran-1,3-dione; (3aS,4S,7aR)-4-methyl-1,3,3a,4,7,7a-hexahydro-2-benzofuran-1,3-dione; 5-methyl-1,3,3a,4,7,7a-hexahydro-2-benzofuran-1,3-dione; 6-methyl-1,3,3a,4,5,7a-hexahydro-2-benzofuran-1,3-dione; 7-methyl-1,3,3a,4,5,7a-hexahydro-2-benzofuran-1,3-dione

Type of Substance

Composition:
multi-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 1,3-Isobenzofuranedion, tetrahydromethyl
  • HN-2000
  • HN-2200
  • MTHPA
  • Methyltetrahydrophthalic anhydride
  • Tetrahydromethylphthalic anhydride
  • tetrahydromethylphthalic anhydride
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    EC Number:
    222-323-8
    EC Name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    CAS Number:
    3425-89-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Tetrahydro-4-methylphthalic anhydride
    EC Number:
    251-823-9
    EC Name:
    Tetrahydro-4-methylphthalic anhydride
    CAS Number:
    34090-76-1
    Molecular formula:
    C9H10O3
    IUPAC Name:
    6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    EC Number:
    226-247-6
    EC Name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    CAS Number:
    5333-84-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrahydro-4-methylphthalic anhydride
    EC Number:
    251-823-9
    EC Name:
    Tetrahydro-4-methylphthalic anhydride
    CAS Number:
    34090-76-1
    Molecular formula:
    C9H10O3
    IUPAC Name:
    6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    EC Number:
    226-247-6
    EC Name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    CAS Number:
    5333-84-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    EC Number:
    222-323-8
    EC Name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    CAS Number:
    3425-89-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    EC Number:
    222-323-8
    EC Name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    CAS Number:
    3425-89-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    4-methyl-7,7a-dihydroisobenzofuran-1,3(3aH,6H)-dione
    CAS Number:
    68426-09-5
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-7,7a-dihydroisobenzofuran-1,3(3aH,6H)-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    EC Number:
    226-247-6
    EC Name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    CAS Number:
    5333-84-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    EC Number:
    222-323-8
    EC Name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    CAS Number:
    3425-89-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Tetrahydro-4-methylphthalic anhydride
    EC Number:
    251-823-9
    EC Name:
    Tetrahydro-4-methylphthalic anhydride
    CAS Number:
    34090-76-1
    Molecular formula:
    C9H10O3
    IUPAC Name:
    6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    EC Number:
    226-247-6
    EC Name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    CAS Number:
    5333-84-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 4
    Chemical structure
    Reference substance name:
    (3aS,4R,7aR)-4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Molecular formula:
    C9H10O3
    IUPAC Name:
    (3aS,4R,7aR)-4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    EC Number:
    222-323-8
    EC Name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    CAS Number:
    3425-89-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Tetrahydro-4-methylphthalic anhydride
    EC Number:
    251-823-9
    EC Name:
    Tetrahydro-4-methylphthalic anhydride
    CAS Number:
    34090-76-1
    Molecular formula:
    C9H10O3
    IUPAC Name:
    6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    EC Number:
    226-247-6
    EC Name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    CAS Number:
    5333-84-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    EC Number:
    226-247-6
    EC Name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    CAS Number:
    5333-84-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Tetrahydro-4-methylphthalic anhydride
    EC Number:
    251-823-9
    EC Name:
    Tetrahydro-4-methylphthalic anhydride
    CAS Number:
    34090-76-1
    Molecular formula:
    C9H10O3
    IUPAC Name:
    6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    EC Number:
    222-323-8
    EC Name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    CAS Number:
    3425-89-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    EC Number:
    226-247-6
    EC Name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    CAS Number:
    5333-84-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    EC Number:
    222-323-8
    EC Name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    CAS Number:
    3425-89-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrahydro-4-methylphthalic anhydride
    EC Number:
    251-823-9
    EC Name:
    Tetrahydro-4-methylphthalic anhydride
    CAS Number:
    34090-76-1
    Molecular formula:
    C9H10O3
    IUPAC Name:
    6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    EC Number:
    222-323-8
    EC Name:
    1,2,3,6-tetrahydro-4-methylphthalic anhydride
    CAS Number:
    3425-89-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    EC Number:
    226-247-6
    EC Name:
    1,2,3,6-tetrahydro-3-methylphthalic anhydride
    CAS Number:
    5333-84-6
    Molecular formula:
    C9H10O3
    IUPAC Name:
    4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

    Composition(s) generated upon use

    Other types of composition(s)