Reaction mass of 3-phenyl-6-[(3-phenyl-3,4-dihydro-2H-1,3-benzoxazin-8-yl)methyl]-3,4-dihydro-2H-1,3-benzoxazine and 6,6'-methanediylbis(3-phenyl-3,4-dihydro-2H-1,3-benzoxazine)

Particle size distribution (Granulometry)

Link to relevant study record(s)

Reference

Endpoint:

particle size distribution (granulometry)

Type of information:

read-across from supporting substance (structural analogue or surrogate)

Adequacy of study:

key study

Study period:

This study was conducted between 20 September 2016 and 20 January 2017

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

test procedure in accordance with national standard methods

Justification for type of information:

Please refer to the Read-across justification document enclosed in chapter 13 for more details.

Reason / purpose for cross-reference:

read-across source

Qualifier:

according to guideline

Guideline:

other: Conducted using a procedure designed to be compatible with that given in European Commission Guidance Document EUR 20268 ‘Determination of Particle Size Distribution, Fibre Length and Diameter Distribution of Chemical Substances’ (2002).

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

sieving

Type of distribution:

mass based distribution

Key result

Percentile:

other: 6.76 %

Mean:

< 100 µm

Remarks on result:

other: The percentage of test item having an inhalable particle size of less than 100 μm was determined to be 6.76%. The test item has been considered to be essentially non-inhalable.

Remarks on result:

not measured/tested

Conclusions:

The percentage of test item having an inhalable particle size of less than 100 μm was determined to be 6.76%. The test item has been considered to be essentially non-inhalable.

Executive summary:

The general physico-chemical properties of Formaldehyde, reaction products with aniline, 4,4'-methylenebis[phenol] have been determined.

Particle Size Distribution. The proportion of test item having an inhalable particle size of less than 100 μm was determined by a sieve method to be 6.76%, particle size data was acquired, using a procedure designed to be compatible with the European Commission Technical Guidance Document EUR 20268 Determination of Particle Size Distribution, Fibre Length and Diameter Distribution of Chemical Substances (2002)

Description of key information

The proportion of test item having an inhalable particle size of less than 100 μm was determined by a sieve method to be 6.76%, particle size data was acquired, using a procedure designed to be compatible with the European Commission Technical Guidance Document EUR 20268 Determination of Particle Size Distribution, Fibre Length and Diameter Distribution of Chemical Substances (2002)

This endpoint is coming from a read-across:

ARALDITE MT 35600/35610 is used as source to read across this endpoint in ARALDITE MT 35700 dossier (TARGET).