Registration Dossier
Registration Dossier
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EC number: 601-732-9 | CAS number: 12069-91-9
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
Description of key information
Additional information
Granulometry (Vametco, 2011)
A representative test material of vanadium carbide nitride has a typical distribution that 99.9% of particles are in the size range of 19-50 mm.
Dustiness (Parr & Grewe, 2012)
Total Dustiness (airborne fraction after abrasion pre-test): 7.01 g
Mass median aerodynamic diameters (bi-modal distribution) of airborne fraction after abrasion pre-test: MMAD1 = 16.89 µm (19.0%) , MMAD2 = 34.92 µm (81.0%) (distribution fitted to cascade impactor data, percentile in parentheses indicates weighting factor).
Geometric standard deviation of MMAD: GSD1 = 1.10, GSD 2 = 4.39.
Fractional deposition in human respiratory tract (MPPD model, based on calculated MMAD) of material after abrasion pre-test:
Head (ET): 51.57 %
Tracheobronchial (TB): 0.41%
Pulmonary (PU): 0.57%
In sum, vanadium carbide nitride is of low dustiness and manufactured and placed on the market only in briquette form.
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