Substance Identity
CAS Number 1071-83-6
Chemical Name Glycine, N-(phosphonomethyl)-
Type of substance Organic
SMILES OC(=O)CNCP(O)(O)=O
Moiety of concern organic
Categorization Results

Meets Government of Canada Categorization Criteria? No
Meets Human Health Categorization Criteria? No
Meets Environmental Criteria for Categorization? No
Persistent (P)? No
Rational for P QSAR
Bioaccumulative (B)? No
Rational for B Experiment
Inherently Toxic to Aquatic Organisms (iT)? No
Rational for iT Experiment
DSL Quantity range (tonnes/year) >1T to 1000T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Water
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.3438
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.1354

Underlying data regarding Bioaccumulation

Empirical Log Kow -4
Reference (Log Kow) EPISUITE KOWWIN v1.67
Log Kow predicted by KowWin -4.47
Log BAF T2MTL predicted by Gobas 0.0000540371955876
Log BCF 5% T2LTL predicted by Gobas 0.0005144646215092
Log BCF Max predicted by OASIS 0.931185867727044
Log BCF predicted by BCFWIN 0.5
Experimental BCF (log) 1.32405722135539
Reason for pivotal value Average Vertebrate BCF (Radiolabel used; conservative estimate)
Test species BCF/BAF (Latin) Tilapia mossambica
Test species BCF/BAF (Common) Mozambique tilapia
Mean water concentration (ug/l) 531
Mean water concentration (comment) Below water solubility by a factor of 5
Water concentration: Measured/Nominal/Uncertain Measured
RadioLabel Yes, total
Exposure duration (days) 0.5
Exposure duration (comment) Sufficient exposure duration for 80% steady state
Exposure type Not Available
Mean temperature (deg. Celcius) 22
Exposure route Water
Exposure media Fresh Water
Tissue analysed Whole body
Calculation method Cb/Cw
Reference (BAF/BCF) Wang, Y.S., C.G. Jaw, and Y.L. Chen. 1994. Accumulation of 2,4-D and Glyphosate in Fish and Water Hyacinth. Water Air Soil Pollut. 74(3/4):397-403

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 10
Experimental result iT (mg/l) 10
Test species iT (Latin) Oncorhynchus mykiss
Test species iT (Common) Rainbow trout
Final EndPoint iT LC50
Reference iT Bull.Environ.Contam.Toxicol. 43(3):378-385, 1989
Robust Study Summary iT
1071836-AT-EC50-O-Myrspi-3.doc
1071836-AT-LC50-dappul.rtf
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 6,440,000
Toxicity to fish (LC50 in mg/l) as predicted by PNN 154.56462
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 41,692.578
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 1.51E+006

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