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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Appearance:

Based on available data from authoritative database, the chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was observed to be white to yellow colored solid in appearance.

Melting point:

Based on available data from various authoritative database, the melting point of chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) ester was determined to be in the range of 72 degree C to 73 degree C.

Boiling point:

Based on available data various from authoritative database, the boiling point of chemical tetraethyl [1,4phenylenebis(methylene)]bis(phosphonate) was determined to be 204 degree C at 2 torr pressure.

Density:

Based on prediction done using ACD/I-Lab 2.0,the density of chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was estimated to be 1.153 ± 0.06 g/cm3.

Particle Size Distribution:

The particle size distribution of test item tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate)   was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150-75 microns.

Vapor Pressure:

MPBPVP V1.43 was used to estimate the vapor pressure of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate).The estimated vapour pressure of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) at 25 deg C was 1.52E-005 Pa.

Partition Coefficient:

KOWWIN v1.68 was used to estimate the octanol water partition coefficient of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate). The estimated octanol water partition coefficient of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was 1.12

Based on the estimated value,tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate)can be considered to be hydrophillic in nature.

Water Solubility:

WSKOW v1.42 was used to estimate the water solubility of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate).

The estimated solubility of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) in water at 25 deg C was 454.7 mg/l.This value suggests that tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) is moderately soluble in water.

Surface tension:

Based on the data from ACD labs, surface tension for test item tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was predicted to be 39.5 ± 3.0 dyne/cm.

Flash point:

From the scifinder database, the flash point of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) (4546 -04 -7) was determined to be 263.7±47.1 °C.

Autoflammability:

Tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) is not auto-flammable.

Flammability:

Tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was considered non-flammable for chemical safety assessment.

Explosiveness:

The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties.

Oxidising properties:

The study does not need to be conducted because the organic substance contains oxygen or halogen atoms which are chemically bonded only to carbon or hydrogen and hence, the classification procedure does not need to be applied

Additional information

Appearance:

Based on available data from authoritative database, the chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was observed to be white to yellow colored solid in appearance.

Other supporting study from reliable safety data sheet indicates that the chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate)was observed to be solid in appearance.

Melting point:

Based on available data from various authoritative database, the melting point of chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) ester was determined to be in the range of 72 degree C to 73 degree C.

Other supporting study from reliable safety data sheet also indicates that the melting point of chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was determined to be 73 degree C

Also further supported by the prediction done using the EPI Suite MPVPBP V1.43,to predict the melting point of chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) ester.

The melting point of chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) ester was estimated to be 75˚C,and the selected key study lies in the range as mentioned above.

Boiling point:

Based on available data various from authoritative database, the boiling point of chemical tetraethyl [1,4phenylenebis(methylene)]bis(phosphonate) was determined to be 204 degree C at 2 torr pressure.

Other supporting study from safety data sheet also indicates the boiling point of chemical tetraethyl [1,4phenylenebis(methylene)]bis(phosphonate) was determined to be 490.7 °C at 760 mmHg

Also,further supported by the prediction done using the EPI Suite MPVPBP V1.43 to predict the Boiling point of chemical tetraethyl [1,4phenylenebis(methylene)]bis(phosphonate) .

The boiling point of chemical was estimated to be 451.35˚C.

Density:

Based on prediction done using ACD/I-Lab 2.0,the density of chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was estimated to be 1.153 ± 0.06 g/cm3.

Other suppoting study from authoritative databas also indicates that the density of chemical tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was estimated to be 1.153±0.06 g/cm3  at 20 °C  and 760 torr pressure.

Particle Size Distribution:

The particle size distribution of test item tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate)   was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150-75 microns.

Vapor Pressure:

MPBPVP V1.43 was used to estimate the vapor pressure of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate).The estimated vapour pressure of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) at 25 deg C was 1.52E-005 Pa.

Partition Coefficient:

KOWWIN v1.68 was used to estimate the octanol water partition coefficient of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate). The estimated octanol water partition coefficient of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was 1.12

Based on the estimated value,tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate)can be considered to be hydrophillic in nature.

Water Solubility:

WSKOW v1.42 was used to estimate the water solubility of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate).

The estimated solubility of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) in water at 25 deg C was 454.7 mg/l.This value suggests that tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) is moderately soluble in water.

Surface tension:

Based on the data from ACD labs, surface tension for test item tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was predicted to be 39.5 ± 3.0 dyne/cm.

Flash point:

From the scifinder database, the flash point of tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) (4546 -04 -7) was determined to be 263.7±47.1 °C.

Autoflammability:

Tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) is not auto-flammable.

Flammability:

Tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus tetraethyl [1,4-phenylenebis(methylene)]bis(phosphonate) was considered non-flammable for chemical safety assessment.

Explosiveness:

The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties.

Oxidising properties:

The study does not need to be conducted because the organic substance contains oxygen or halogen atoms which are chemically bonded only to carbon or hydrogen and hence, the classification procedure does not need to be applied