Phosphorous acid, mixed 2,4-bis(1-methyl-1-phenylethyl)phenyl and isodecyl and 2-(1-methyl-1-phenylethyl)phenyl and 4-(1-methyl-1-phenylethyl)phenyl and phenol triesters)

Melting point / freezing point

Administrative data

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2020

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2020

Report date:

2020

Materials and methods

Test guideline

Qualifier:

no guideline followed

Principles of method if other than guideline:

Sample was held at -78 C using acetone/dry ice (frozen carbon dioxide) bath.

GLP compliance:

no

Type of method:

method to determine freezing temperature

Remarks:

using dry ice/acetone bath

Test material

Test material information

Constituent 1

Reference substance name:

Phosphorous acid, esters diisodecyl and mixed 2,4-bis(1-methyl-1-phenylethyl)phenyl

Molecular formula:

C35H58O3P

IUPAC Name:

Phosphorous acid, esters diisodecyl and mixed 2,4-bis(1-methyl-1-phenylethyl)phenyl

Constituent 2

Reference substance name:

Phosphorous acid, esters isodecyl and bis (mixed 2,4-bis (1-methyl-1-phenylethyl)phenyl)

Molecular formula:

C40H51O3P

IUPAC Name:

Phosphorous acid, esters isodecyl and bis (mixed 2,4-bis (1-methyl-1-phenylethyl)phenyl)

Constituent 3

Reference substance name:

Triisodecyl phosphite

EC Number:

246-998-3

EC Name:

Triisodecyl phosphite

Cas Number:

25448-25-3

Molecular formula:

C30H63O3P

IUPAC Name:

Phosphorus acid, triisodecyl ester

Constituent 4

Reference substance name:

Phosphorous acid esters, -cumylphenyl -isodecyl -phenyl

Molecular formula:

C31H41O3P

IUPAC Name:

Phosphorous acid esters, -cumylphenyl -isodecyl -phenyl

Constituent 5

Reference substance name:

Phosphorous acid esters, -dicumylphenyl -phenyl

Molecular formula:

C36H35O3P

IUPAC Name:

Phosphorous acid esters, -dicumylphenyl -phenyl

Constituent 6

Reference substance name:

Phosphorous acid, esters tris (-cumylphenyl)

Molecular formula:

C45H45O3P

IUPAC Name:

Phosphorous acid, esters tris (-cumylphenyl)

Test material form:

liquid

Results and discussion

Melting / freezing point

Melting / freezing pt.:

< -78 °C

Atm. press.:

1 atm

Remarks on result:

not determinable because of methodological limitations

Remarks:

no freezing observed at -78 C for 20 minutes

Applicant's summary and conclusion

Conclusions:

Doverphos 374 remained in the lliquid state when placed in an acetone/dry ice bath at -78 degrees C for 20 minutes. It's freezing point could not be determined but is below this temperature.

Executive summary:

Doverphos 374 remained in the lliquid state when placed in an acetone/dry ice bath at -78 degrees C for 20 minutes.  It's freezing point could not be determined but is below this temperature.