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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C7-17-branched alkylphenyl)azo] derivs.
EC Number:
307-585-4
EC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C7-17-branched alkylphenyl)azo] derivs.
CAS Number:
97660-72-5
Molecular formula:
variable
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C7-17-branched alkylphenyl)azo] derivs.

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers

Compositions

Boundary Composition(s) open all close all

State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C10-branched alkylphenyl)azo] derivs.
Molecular formula:
C26H34N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C10-branched alkylphenyl)azo] derivs.
Constituent 2
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C11-branched alkylphenyl)azo] derivs.
Molecular formula:
C27H36N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C11-branched alkylphenyl)azo] derivs.
Constituent 3
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C12-branched alkylphenyl)azo] derivs.
Molecular formula:
C28H38N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C12-branched alkylphenyl)azo] derivs.
Constituent 4
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C13-branched alkylphenyl)azo] derivs.
Molecular formula:
C29H40N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C13-branched alkylphenyl)azo] derivs.
Constituent 5
Reference substance name:
Unknown constituents/impurities
IUPAC Name:
Unknown constituents/impurities

Legal Entity Composition(s) open all close all

State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C10-branched alkylphenyl)azo] derivs.
Molecular formula:
C26H34N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C10-branched alkylphenyl)azo] derivs.
Constituent 2
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C11-branched alkylphenyl)azo] derivs.
Molecular formula:
C27H36N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C11-branched alkylphenyl)azo] derivs.
Constituent 3
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C12-branched alkylphenyl)azo] derivs.
Molecular formula:
C28H38N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C12-branched alkylphenyl)azo] derivs.
Constituent 4
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C13-branched alkylphenyl)azo] derivs.
Molecular formula:
C29H40N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C13-branched alkylphenyl)azo] derivs.
Constituent 5
Reference substance name:
Unknown constituents/impurities
IUPAC Name:
Unknown constituents/impurities
State Form:
liquid


Constituent 1
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C13-branched alkylphenyl)azo] derivs.
Molecular formula:
C29H40N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C13-branched alkylphenyl)azo] derivs.
Constituent 2
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C12-branched alkylphenyl)azo] derivs.
Molecular formula:
C28H38N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C12-branched alkylphenyl)azo] derivs.
Constituent 3
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C11-branched alkylphenyl)azo] derivs.
Molecular formula:
C27H36N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C11-branched alkylphenyl)azo] derivs.
Constituent 4
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C10-branched alkylphenyl)azo] derivs.
Molecular formula:
C26H34N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C10-branched alkylphenyl)azo] derivs.
State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C11-branched alkylphenyl)azo] derivs.
Molecular formula:
C27H36N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C11-branched alkylphenyl)azo] derivs.
Constituent 2
Chemical structure
Reference substance name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C12-branched alkylphenyl)azo] derivs.
Molecular formula:
C28H38N4O
IUPAC Name:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-[(4-C12-branched alkylphenyl)azo] derivs.
Constituent 3