4,4',4''-triaminotrityl alcohol

Endpoint summary

Description of key information

Bioaccumulation: aquatic/sediment

BCFBAF model (v3.01) of Estimation Programs Interface (EPI Suite, 2017) was used to predict the bioconcentration factor (BCF) of test chemical 4,4',4''-Triaminotrityl alcohol (CAS No. 467 -62 -9).The bioconcentration factor (BCF) of 4,4',4''-Triaminotrityl alcohol was estimated to be 5.518 L/kg whole body w.w (at 25 deg C) which does not exceed the bio concentration threshold of 2000, indicating that the chemical 4,4',4''-Triaminotrityl alcohol is not expected to bioaccumulate in the food chain.

Additional information

Bioaccumulation: aquatic/sediment

Various predicted data for the target compound 4,4',4''-Triaminotrityl alcohol (CAS No. 467-62-9) and supporting weight of evidence study for its read across substance were reviewed for the bioaccumulation end point which are summarized as below:

 

In aprediction done using theBCFBAF Program(v3.01) of Estimation Programs Interface (EPI Suite, 2017) was used to predict the bioconcentration factor (BCF) of test chemical 4,4',4''-Triaminotrityl alcohol (CAS No. 467 -62 -9).The bioconcentration factor (BCF) of 4,4',4''-Triaminotrityl alcohol was estimated to be 5.518 L/kg whole body w.w (at 25 deg C).

 

In an another prediction done by using Bio-concentration Factor (v12.1.0.50374) moduleACD (Advanced Chemistry Development)/I-Lab predictive module, 2017), theBCF over the pH scale of the test substance 4,4',4''-Triaminotrityl alcohol was estimated to be 1, 1.66, 2.09, 2.15, 2.12 and 1.85, 1 at pH range 1-5, 6, 7, 8-11, 12, 13 and 14, respectively.

 

Bioconcentration Factor (BCF) of test chemical 4,4',4''-Triaminotrityl alcohol was estimated using Chemspider database(ChemSpider, 2017). The bioconcentration factor of test substance 4,4',4''-Triaminotrityl alcohol was estimated to be 2.45 at pH 5.5 and 4.85 at pH 7.4, respectively.

 

Another predicted data was estimated usingSciFinder database (American Chemical Society (ACS), 2017) was used for predicting the bioconcentration factor (BCF) of test chemical 4,4',4''-Triaminotrityl alcohol (CAS No. 467 -62 -9). The bioconcentration factor (BCF) of 4,4',4''-Triaminotrityl alcohol was estimated to be 1 (at 25 deg C).

 

From CompTox Chemistry Dashboard using OPERA (OPEn (quantitative) structure-activity Relationship Application) V1.02 model in which calculation based on PaDEL descriptors (calculate molecular descriptors and fingerprints of chemical), the bioaccumulation i.e BCF for test substance 4,4',4''-Triaminotrityl alcohol was estimated to be 38.5 dimensionless . The predicted BCF result based on the 5 OECD principles.

 

In a supporting weight of evidence study from authoritative database (J-CHECK, HSDB, 2017 and EnviChem, 2014) for the read across chemical 4, 4’- diaminodiphenylmethane (CAS no.101-77-9), bioaccumulation experiment was conducted on test organism Cyprinus carpio for 6 weeks for evaluating the bioconcentration factor (BCF value) of 4, 4’- diaminodiphenylmethane (CAS no. 101-77-9).The study was performed according to other guideline "Bioaccumulation test of a chemical substance in fish or shellfish" provided in "the Notice on the Test Method Concerning New Chemical Substances", respectively. Cyprinus carpio was used as a test organism for the study. Test chemical nominal conc. used for the study were 0.2mg/land 0.02 mg/l, respectively. Test chemical solution was prepared in HCO-50.Analytical method involve the recovery ratio: Test water : 1st concentration area : 97.3 %, 2nd concentration area : 94.5 %, Fish : 76.1 %, - Limit of detection : Test water: 1st concentration area : 7.2 ppb, 2nd concentration area : 0.74 ppb, Fish : 0.06 ppm.Range finding study involve the TLm (48 hr) 32 mg/l (w/v) on Rice fish (Oryzias latipes). Lipid content of the test organism Cyprinus carpio was determined to be 4.5%. The bioconcentration factor (BCF value) of substance 4, 4’- diaminodiphenylmethane on Cyprinus carpio was determined to be in the range of 3-14 L/Kg at a conc. of 0.2 mg/l and 3.1-15 L/Kg at a conc. of 0.02 mg/l, respectively, which does not exceed the bioconcentration threshold of 2000, indicating that the chemical 4, 4’- diaminodiphenylmethane is not expected to bioaccumulate in the food chain.

 

For the read across chemical 4,4'-Diaminodiphenyl Ether (CAS no. 101-80-4), bioaccumulation study in fish was conducted for estimating the BCF (bioaccumulation factor) value of read across chemical 4,4'-Diaminodiphenyl Ether (HSDB, 2017). The bioaccumulation factor (BCF) value was calculated using a log Kow of 1.36 and a regression-derived equation. The estimated BCF (bioaccumulation factor) value of 4,4'-Diaminodiphenyl Ether was determined to be 4 dimensionless, which does not exceed the bioconcentration threshold of 2000, indicating that the chemical 4,4'-Diaminodiphenyl Ether is considered to be non-accumulative in aquatic organisms.

 

On the basis of above results for target chemical 4,4',4''-Triaminotrityl alcohol (from EPI suite, ACD labs,ChemSpider, SciFinder database and CompTox Chemistry Dashboard,  2017) and for its read across substance (from authoritative database J-CHECK and HSDB, 2017), it can be concluded that the BCF value of test substance4,4',4''-Triaminotrityl alcoholranges from 1.0 – 38.5 which does not exceed the bioconcentration threshold of 2000, indicating that the chemical 4,4',4''-Triaminotrityl alcohol is not expected to bioaccumulate in the food chain.