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PBT assessment

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PBT assessment: overall result

Reference
Name:
2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
Type of composition:
boundary composition of the substance
State / form:
solid: nanoform
Reference substance:
2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
Type of information reported:
single nanoform
Name of nanoform:
C.I. Pigment Yellow 3-joint submission
Shape category:
spheroidal
Shape:
spherical
Pure shape:
no
Range:
>= 0 - <= 100 %
Shape category:
spheroidal
Shape:
cubic
Pure shape:
no
Range:
>= 0 - <= 100 %
Shape category:
spheroidal
Percentile:
D10
Range:
ca. 0.01 - ca. 0.095 μm
Percentile:
D50
Range:
ca. 0.05 - ca. 0.1 μm
Percentile:
D90
Range:
ca. 0.09 - ca. 0.22 μm
Additional information:
ASSEMBLY STRUCTURE: homogeneous and solid spheroidal particles.

RIGIDITY: not required/appropriate.
Fraction of constituent particles in the size range 1-100 nm:
>= 50 - ca. 100 %
Structure:
crystalline
Name:
C.I. Pigment Yellow 3
Pure structure:
yes
Range of specific surface area:
>= 5 - <= 125 m²/g
Surface treatment applied:
no
PBT status:
the substance is not PBT / vPvB
Justification:

Based on evaluation of the data described in the end point study record in IUCLID section 2.3 it is concluded here that the submission substance


·   is not readily and not inherently biodegradable and is considered to fulfil the P criterion


·   is not fulfilling the B (or vB) criterion


·   and is not fulfilling the T criterion


and therefore is evaluated to be neither a PBT nor a vPvB substance.


 


Overall conclusion:


Based on the assessment described in the subsections below the submission substance is not considered to be PBT /vPvB.

Likely routes of exposure:

The submission substance is not PBT or vPvB. Therefore no emission characterisation is required.

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