Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-)

Vapour pressure

Link to relevant study record(s)

Reference

Endpoint:

vapour pressure

Type of information:

calculation (if not (Q)SAR)

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

accepted calculation method

Justification for type of information:

data is from modelling database

Qualifier:

according to guideline

Guideline:

other: estimated data

Principles of method if other than guideline:

MPBPVP v1.43 was used to estimate the vapour pressure of the test substance Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl -3H-pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl -5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-)

GLP compliance:

not specified

Type of method:

other: estimated data

Specific details on test material used for the study:

- Name of test material: Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl -5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-)
- IUPAC name: Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl-5-oxo -1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-)
- Molecular formula: C33H24CrN9O7
- Molecular weight: 710 g/mole
- Substance type: Organic
- Physical state: Solid powder

Key result

Test no.:

#1

Temp.:

25 °C

Vapour pressure:

0 Pa

Remarks on result:

other: (1.69E-27 mm Hg)

Remarks:

estimated value

Conclusions:

The estimated vapour pressure of the test substance Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol- 3-onato(2-)][2-[(4,5-dihydro-3-methyl -5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) at 25 deg C was 2.26E-25 Pa (1.69E-27 mm Hg).

Executive summary:

Modified Grain method (Mean of Antoine and Modified Grain methods) was used to estimate the vapour pressure of the test substance Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl -5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) using MPBPVP v1.43 of EPI SUITE.

The estimated vapour pressure of the test substance Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H -pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl -5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) at 25 deg C was 2.26E-25 Pa (1.69E-27 mm Hg).

Description of key information

The estimated vapour pressure of the test substance Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol- 3-onato(2-)][2-[(4,5-dihydro-3-methyl -5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) at 25 deg C was 2.26E-25 Pa (1.69E-27 mm Hg).

Key value for chemical safety assessment

Vapour pressure:

0 Pa

at the temperature of:

25 °C

Additional information

Modified Grain method (Mean of Antoine and Modified Grain methods) was used to estimate the vapour pressure of the test substance Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl -5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) using MPBPVP v1.43 of EPI SUITE.

The estimated vapour pressure of the test substance Hydrogen [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H -pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl -5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) at 25 deg C was 2.26E-25 Pa (1.69E-27 mm Hg).