Substance Identity
CAS Number 1070-00-4
Chemical Name Aluminum, trioctyl-
Type of substance Organometallic
Moiety of concern Al
Categorization Results

Meets Government of Canada Categorization Criteria? Yes
Meets Human Health Categorization Criteria? No
Meets Environmental Criteria for Categorization? Yes
Persistent (P)? Yes
Bioaccumulative (B)? Not Determined
Inherently Toxic to Aquatic Organisms (iT)? Yes
DSL Quantity range (tonnes/year) >1T to 1000T
Basis for Environment Categorization (PiT, BiT, PBiT) if categorized? PiT

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Not Applicable
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 8.67
MITI probability of biodegradation 0.7347
EPI Predicted Ozone reaction half-life (days) 999,999
EPI Predicted Atmospheric Oxidation half-life (days) 0.1794
Other relevant references for persistency 1. USEPA. Categorization of Aluminum Alkyls; 2: Anonymous. Triethylaluminum. Dangerous Properties of Industrial Materials Report (1988), 8(1), 88-90.

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 12.28
Log BAF T2MTL predicted by Gobas 2.76695445424292
Log BCF 5% T2LTL predicted by Gobas 0.351891866979293
Log BCF Max predicted by OASIS 1.14655024051051
Log BCF predicted by BCFWIN 0.5

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.089
Experimental result iT (mg/l) 0.089
Test species iT (Latin) Hyallela azteca
Final EndPoint iT LC50
Exposure duration iT (hours) 168
Comment iT tested in 10% Lake Ontario water based on measured concentrations of dissolved metal originating from AA standards and complex metal anions.
Reference iT Unpublished report. NWRI Laboratory. Dr Uwe Borgmann

Human Health data supporting decisions
Underlying data regarding potential for exposure

LPE/IPE/GPE Lowest Potential for Exposure (HC Simple Exposure Tool)

Underlying data regarding Previous Assessments

Underlying data regarding Simple Hazard Assessment

Underlying data regarding Complex Hazard Assessment