Substance Identity
CAS Number 100-99-2
Chemical Name Aluminum, tris(2-methylpropyl)-
Type of substance Organometallic
SMILES CC(C[Al](CC(C)C)CC(C)C)C
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) 15
MITI probability of biodegradation 0.1097
EPI Predicted Ozone reaction half-life (days) 999,999
EPI Predicted Atmospheric Oxidation half-life (days) 0.2509
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 6.17
Log BAF T2MTL predicted by Gobas 5.89787124042203
Log BCF 5% T2LTL predicted by Gobas 4.53390961434701
Log BCF Max predicted by OASIS 4.81216830171754
Log BCF predicted by BCFWIN 4.051

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Reference iT Unpublished report.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
Toxicity to fish (LC50 in mg/l) as predicted by PNN 2.98268
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.02
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 0.008
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 6.21E-002

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