Dibenzo[d,f][1,3,2]dioxaphosphepin, 6,6'-[[3,3',5,5'-tetrakis(1,1-dimethylethyl)[1,1'-biphenyl]-2,2'-diyl]bis(oxy)]bis-

Melting point / freezing point

Administrative data

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP guideline study (OECD, EC, EPA, FDA, etc.)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2008

Report date:

2008

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: EC Method A1

GLP compliance:

yes

Type of method:

capillary method

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

482-400-9

EC Name:

-

Cas Number:

138776-88-2

Molecular formula:

C52H56O6P2

IUPAC Name:

9-[(3,3',5,5'-tetra-tert-butyl-2'-{8,10-dioxa-9-phosphatricyclo[9.4.0.0²,⁷]pentadeca-1(11),2(7),3,5,12,14-hexaen-9-yloxy}-[1,1'-biphenyl]-2-yl)oxy]-8,10-dioxa-9-phosphatricyclo[9.4.0.0²,⁷]pentadeca-1(11),2,4,6,12,14-hexaene

Results and discussion

Melting / freezing point

Melting / freezing pt.:

200.2 °C

Any other information on results incl. tables

Test 1: 199.5 °C

Test 2: 200.5 °C

Test 3: 200.5 °C

Applicant's summary and conclusion

Executive summary:

The study was carried out on 1 sample in triplicate. Method used: A1: Capillary Method.

Instrument calibration with cafeine standard. The test substance yellowd at 171 °C. Droplets appeared at approx 184 °C, altough solid test substance was still visible. Melting point detection (mean) at 200.2 °C