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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Hexahydromethylphthalic anhydride
EC Number:
247-094-1
EC Name:
Hexahydromethylphthalic anhydride
CAS Number:
25550-51-0
Molecular formula:
C9H12O3
IUPAC Name:
methylhexahydro-2-benzofuran-1,3-dione

Type of Substance

Composition:
multi-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 1,3-Isobenzofuranedion, hexahydromethyl
  • HN-5500
  • Hexahydromethylphthalic anhydride
  • MHHPA
  • Methylhexahydrophthalic anhydride
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Hexahydro-4-methylphthalic anhydride
    EC Number:
    243-072-0
    EC Name:
    Hexahydro-4-methylphthalic anhydride
    CAS Number:
    19438-60-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    5-methylhexahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Hexahydro-3-methylphthalic anhydride
    EC Number:
    260-566-1
    EC Name:
    Hexahydro-3-methylphthalic anhydride
    CAS Number:
    57110-29-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    4-methylhexahydro-2-benzofuran-1,3-dione

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Hexahydro-4-methylphthalic anhydride
    EC Number:
    243-072-0
    EC Name:
    Hexahydro-4-methylphthalic anhydride
    CAS Number:
    19438-60-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    5-methylhexahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Hexahydro-3-methylphthalic anhydride
    EC Number:
    260-566-1
    EC Name:
    Hexahydro-3-methylphthalic anhydride
    CAS Number:
    57110-29-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    4-methylhexahydro-2-benzofuran-1,3-dione
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Hexahydro-4-methylphthalic anhydride
    EC Number:
    243-072-0
    EC Name:
    Hexahydro-4-methylphthalic anhydride
    CAS Number:
    19438-60-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    5-methylhexahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Hexahydro-3-methylphthalic anhydride
    EC Number:
    260-566-1
    EC Name:
    Hexahydro-3-methylphthalic anhydride
    CAS Number:
    57110-29-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    4-methylhexahydro-2-benzofuran-1,3-dione
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Hexahydro-4-methylphthalic anhydride
    EC Number:
    243-072-0
    EC Name:
    Hexahydro-4-methylphthalic anhydride
    CAS Number:
    19438-60-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    5-methylhexahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Hexahydro-3-methylphthalic anhydride
    EC Number:
    260-566-1
    EC Name:
    Hexahydro-3-methylphthalic anhydride
    CAS Number:
    57110-29-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    4-methylhexahydro-2-benzofuran-1,3-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    Tetrahydromethylphthalic anhydride
    EC Number:
    234-290-7
    EC Name:
    Tetrahydromethylphthalic anhydride
    CAS Number:
    11070-44-3
    Molecular formula:
    C9H10O3
    IUPAC Name:
    3a-methyl-3a,4,5,6-tetrahydro-2-benzofuran-1,3-dione
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Hexahydromethylphthalic anhydride
    EC Number:
    247-094-1
    EC Name:
    Hexahydromethylphthalic anhydride
    CAS Number:
    25550-51-0
    Molecular formula:
    C9H12O3
    IUPAC Name:
    methylhexahydro-2-benzofuran-1,3-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    Hexahydro-3-methylphthalic anhydride
    EC Number:
    260-566-1
    EC Name:
    Hexahydro-3-methylphthalic anhydride
    CAS Number:
    57110-29-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    4-methylhexahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Hexahydro-4-methylphthalic anhydride
    EC Number:
    243-072-0
    EC Name:
    Hexahydro-4-methylphthalic anhydride
    CAS Number:
    19438-60-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    5-methylhexahydro-2-benzofuran-1,3-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    Hexahydro-4-methylphthalic anhydride
    EC Number:
    243-072-0
    EC Name:
    Hexahydro-4-methylphthalic anhydride
    CAS Number:
    19438-60-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    5-methylhexahydro-2-benzofuran-1,3-dione
    Constituent 2
    Chemical structure
    Reference substance name:
    Hexahydro-3-methylphthalic anhydride
    EC Number:
    260-566-1
    EC Name:
    Hexahydro-3-methylphthalic anhydride
    CAS Number:
    57110-29-9
    Molecular formula:
    C9H12O3
    IUPAC Name:
    4-methylhexahydro-2-benzofuran-1,3-dione
    Constituent 3
    Chemical structure
    Reference substance name:
    Hexahydro-3,6-methanophthalic anhydride
    EC Number:
    227-852-8
    EC Name:
    Hexahydro-3,6-methanophthalic anhydride
    CAS Number:
    6004-79-1
    Molecular formula:
    C9-H10-O3
    IUPAC Name:
    hexahydro-4,7-methano-2-benzofuran-1,3-dione
    Constituent 4
    Chemical structure
    Reference substance name:
    Cyclohexane-1,2-dicarboxylic anhydride
    EC Number:
    201-604-9
    EC Name:
    Cyclohexane-1,2-dicarboxylic anhydride
    CAS Number:
    85-42-7
    Molecular formula:
    C8H10O3
    IUPAC Name:
    3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione

    Composition(s) generated upon use

    Other types of composition(s)