Substance Identity
CAS Number 71342-90-0
Chemical Name 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonic acid and resorcinol
Type of substance UVCB-organic
SMILES O=S(C2=CC(N)=C1C(O)=CC(S(=O)(O)=O)=CC1=C2)(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
Bioaccumulative (B)? No
Inherently Toxic to Aquatic Organisms (iT)? No
DSL Quantity range (tonnes/year) 0 to 1T

Ecological data supporting decisions

Underlying data regarding persistence

Underlying data regarding Bioaccumulation

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 218.74114
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 218,000
Toxicity to fish (LC50 in mg/l) as predicted by PNN 218.74114
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 2,530,000
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.78E+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