Reaction Mass of Didodecyl nonylphenyl phosphite and Dodecyl bis(4-nonylphenyl) phosphite and 4-nonylphenyl ditridecyl phosphite and Bis(4-nonylphenyl) tridecyl

Bioaccumulation: aquatic / sediment

Administrative data

Endpoint:

bioaccumulation in aquatic species: fish

Type of information:

(Q)SAR

Adequacy of study:

weight of evidence

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification

Justification for type of information:

Modelled data on bioaccumulation is being provided to support the PBT assessment.

Data source

Reference

Reference Type:

other: Modelled data

Title:

EPISUITE Results for the Components of CH 302

Author:

U.S. EPA

Bibliographic source:

U.S EPA EPISUITE Model

Report date:

2018

Materials and methods

Test guideline

Qualifier:

no guideline followed

Principles of method if other than guideline:

Modelled data using an acceptable model

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Didodecyl nonylphenyl phosphite

EC Number:

252-457-2

EC Name:

Didodecyl nonylphenyl phosphite

Cas Number:

35239-35-1

Molecular formula:

C39-H73-O3-P

IUPAC Name:

Phosphorous acid, didodecyl nonylphenyl ester

Constituent 2

Reference substance name:

Dodecyl bis(4-nonylphenyl) phosphite

EC Number:

284-117-4

EC Name:

Dodecyl bis(4-nonylphenyl) phosphite

Cas Number:

84787-76-8

Molecular formula:

C42-H71-O3-P

IUPAC Name:

Phosphorous acid, dodecyl bis(4-nonylphenyl) ester

Constituent 3

Reference substance name:

4-nonylphenyl ditridecyl phosphite

EC Number:

284-119-5

EC Name:

4-nonylphenyl ditridecyl phosphite

Cas Number:

84787-77-9

Molecular formula:

C41-H77-O3-P

IUPAC Name:

Phosphorous acid, 4-nonylphenyl ditridecyl ester

Constituent 4

Reference substance name:

Bis(4-nonylphenyl) tridecyl phosphite

EC Number:

284-120-0

EC Name:

Bis(4-nonylphenyl) tridecyl phosphite

Cas Number:

84787-78-0

Molecular formula:

C43-H73-O3-P

IUPAC Name:

Phosphorous acid, bis(4-nonylphenyl) tridecyl ester

impurity 1

Reference substance name:

Tris(nonylphenyl) phosphite

EC Number:

247-759-6

EC Name:

Tris(nonylphenyl) phosphite

Cas Number:

26523-78-4

IUPAC Name:

tris(2-nonylphenyl) phosphite

impurity 2

Reference substance name:

Didodecyl phosphonate

EC Number:

244-325-8

EC Name:

Didodecyl phosphonate

Cas Number:

21302-09-0

Molecular formula:

C24H51O3P

IUPAC Name:

Di(n-dodecyl)hydrogen phosphate

impurity 3

Reference substance name:

Phenol, 4-nonyl-, branched

EC Number:

284-325-5

EC Name:

Phenol, 4-nonyl-, branched

Cas Number:

84852-15-3

Molecular formula:

C15H24O

IUPAC Name:

4-Nonylphenol, branched

Test material form:

liquid

Specific details on test material used for the study:

Modelled data on the 4 main components of CH 302

Radiolabelling:

no

Results and discussion

Bioaccumulation factor

Temp.:

25 °C

pH:

7

Type:

BCF

Value:

0.9 L/kg

Basis:

not specified

Remarks on result:

not measured/tested

Remarks:

modelled data

Any other information on results incl. tables

The results of the EPISUITE, BCFBAF v3.01 model, for the 4 main components of CH 302 were all approximately 0.9 L/kg ww.

Applicant's summary and conclusion

Conclusions:

The results of the EPISUITE, BCFBAF v3.01 model, for the 4 main components of CH 302 were all approximately 0.9 L/kg ww. Indicating that these substances have a very low potential for bioaccumulation.

Executive summary:

The results of the EPISUITE, BCFBAF v3.01 model, for the 4 main components of CH 302 were all approximately 0.9 L/kg ww. Indicating that these substances have a very low potential for bioaccumulation.