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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

On the basis of physical observation and using the sense of smell, N,N-diethyl-3-oxobutanamide was observed to be a pale yellow liquid.

Melting point:

Freezing point of chemical N,N-diethyl-3-oxobutyramide is determine to be -70 °C.

Boiling Point:

Boiling point of N,N-diethyl-3-oxobutyramide is 163.2ºC at 966 hpa atmospheric pressure.

Density:

Density of chemical N,N-diethyl-3-oxobutyramide is determine to be 0.951 g/cm³ at 26 deg C temperature.

Particle size distribution:

The study does not need to be conducted because the substance is marketed or used in a non solid or granular form. On the basis of physical observation and using the sense of smell, N,N-diethyl-3-oxobutanamide was observed to be a pale yellow liquid.

Vapour pressure:

Vapour pressure of N,N-diethyl-3-oxobutyramide is estimated to be 1.3865 Pa at 25 Deg C.

Partition coefficient:

Based on the available data from authoritative and modelling databases,the partition coefficient (log Pow) value of the substance N,N-Diethyl-3-oxobutyramide was estimated to be 0.41. Based on this value, chemical N,N-Diethyl-3-oxobutyramide can be considered to be hydrophilic in nature.

Water solubility:

Water solubility of N,N-diethyl-3-oxobutyramide is determine to be 10000 mg/L at 26 deg C temperature. This value suggests that N,N-diethyl-3-oxobutyramide is soluble in water.

Solubility in organic solvents / fat solubility :

Solubility of N,N-diethyl-3-oxobutyramide in ethanol is 100000 mg/L and in petroleun ether is 40000 mg/L at 26 deg C temperature. These values suggests that N,N-diethyl-3-oxobutyramide is soluble in ethanol and petroleum ether.

Surface tension:

Surface tension of chemical N,N-diethyl-3-oxobutyramide is estimated as 0.032 N/m.

Flash point:

Flash point of chemical N,N-diethyl-3-oxobutyramide is determine to be 250°F (121.11 deg C).

Auto flammability:

Chemical N,N-diethyl-3-oxobutyramide is concluded to be not auto flammable.

Flammability:

Chemical N,N-diethyl-3-oxobutyramide is determine to be flammable at 950 deg C temperature.

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.

Oxidizing properties:

End point of Redox Titration for N,N-diethyl-3-oxobutyramide is 125.1mg/100g. This value indicate that N,N-diethyl-3-oxobutyramide is oxidising.

pH:

pH value of N,N-diethyl-3-oxobutyramide is 3.75 at 10000 mg/L concentration and 25 deg C temperature. This value indicates that N,N-diethyl-3-oxobutyramide is relatively acidic in nature.

Dissociation constant:

Dissociation constant (pKa) of  N,N-diethyl-3-oxobutyramide is determine to be 0.000000528, 0.000000529 and 0.0000005287 at 26 deg C temperature.

Viscosity:

Viscosity of chemical N,N-diethyl-3-oxobutyramide is determine to be 25.8672 mPa s (dynamic) at 26 deg C temperature.

Additional information

Appearance:

On the basis of physical observation and using the sense of smell, N,N-diethyl-3-oxobutanamide was observed to be a pale yellow liquid.

From other reliable sources it is concluded that N,N-diethyl-3 -oxobutyramide is dark brown organic liguid having unpleasant odour.

Melting point:

Freezing point of chemical N,N-diethyl-3-oxobutyramide is determine to be -70 °C.

From other reliable source it is concluded that freezing point of chemical N,N-diethyl-3 -oxobutyramide is -71.4 °C which is near to key value.

Boiling Point:

Boiling point of N,N-diethyl-3-oxobutyramide is 163.2ºC at 966 hpa atmospheric pressure.

From other reliable sources it is concluded that boiling point of N,N-diethyl-3 -oxobutyramide is 76°C at 0.13 Torr, 85 Deg C at 1.2 Torr, 68 -70 Deg C at 0.6 Torr & 123 -124 Deg C at 12 kPa & some sources concluded that chemical decomposes.

Density:

Density of chemical N,N-diethyl-3-oxobutyramide is determine to be 0.951 g/cm³ at 26 deg C temperature.

From other reliable sources it is concluded that density of chemical N,N-diethyl-3 -oxobutyramide is 0.995 g/cm3 at 20° C, 0.9905 g/cm3 at 25 Deg C, 0.994 g/cm3 at 25 Deg C & 0.995 g/cm3.

Particle size distribution:

The study does not need to be conducted because the substance is marketed or used in a non solid or granular form. On the basis of physical observation and using the sense of smell, N,N-diethyl-3-oxobutanamide was observed to be a pale yellow liquid.

Vapour pressure:

Vapour pressure of N,N-diethyl-3-oxobutyramide is estimated to be 1.3865 Pa at 25 Deg C.

Partition coefficient:

Based on the available data in a key study from authoritative and modelling databases,the partition coefficient (log Pow) value of the substance N,N-Diethyl-3-oxobutyramide was estimated to be 0.41.

In a supportingstudy frommodelling database, the partition coefficient (log Pow) value of the substance N,N-Diethyl-3-oxobutyramide was estimated to be 0.231 ± 0.296 at 25°C.

Additional studyfrommodelling databaseindicates that the octanol waterpartition coefficient (log Pow) value of the substance N,N-Diethyl-3-oxobutyramide was estimated to be 0.623 using OPERA V1.02.

Thus, based on the available information, the logPow valueof the test substance N,N-Diethyl-3-oxobutyramide ranges from 0.231 to 0.623, respectively. On the basis of this value, chemical N,N-Diethyl-3-oxobutyramide can be considered to be hydrophilic in nature.

Water solubility:

Water solubility of N,N-diethyl-3-oxobutyramide is determine to be 10000 mg/L at 26 deg C temperature. This value suggests that N,N-diethyl-3-oxobutyramide is soluble in water.

From other authoritative databases it is concluded that water solubility of chemical N,N-diethyl-3 -oxobutyramide is 31760 mg/L at 25 Deg C. This value suggests that N,N-diethyl-3 -oxobutyramide is soluble in water.

Solubility in organic solvents / fat solubility :

Solubility of N,N-diethyl-3-oxobutyramide in ethanol is 100000 mg/L and in petroleun ether is 40000 mg/L at 26 deg C temperature. These values suggests that N,N-diethyl-3-oxobutyramide is soluble in ethanol and petroleum ether.

Surface tension:

Surface tension of chemical N,N-diethyl-3-oxobutyramide is estimated as 0.032 N/m.

Flash point:

Flash point of chemical N,N-diethyl-3-oxobutyramide is determine to be 250°F (121.11 deg C).

Auto flammability:

Chemical N,N-diethyl-3-oxobutyramide is concluded to be not auto flammable.

Flammability:

Chemical N,N-diethyl-3-oxobutyramide is determine to be flammable at 950 deg C temperature.

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.

Oxidizing properties:

End point of Redox Titration for N,N-diethyl-3-oxobutyramide is 125.1mg/100g. This value indicate that N,N-diethyl-3-oxobutyramide is oxidising.

pH:

pH value of N,N-diethyl-3-oxobutyramide is 3.75 at 10000 mg/L concentration and 25 deg C temperature. This value indicates that N,N-diethyl-3-oxobutyramide is relatively acidic in nature.

Dissociation constant:

Dissociation constant (pKa) of  N,N-diethyl-3-oxobutyramide is determine to be 0.000000528, 0.000000529 and 0.0000005287 at 26 deg C temperature.

Viscosity:

Viscosity of chemical N,N-diethyl-3-oxobutyramide is determine to be 25.8672 mPa s (dynamic) at 26 deg C temperature.