EU chemicals toxicity grouping software tool available

Credit: chemicalwatch.com

An open-source QSAR application that can help companies group chemicals based on their predicted toxicity is now available from the European Chemicals Bureau. The ‘Toxtree’ software, developed under contract by Bulgarian consultancy Ideaconsult, applies recognised principles such as the Cramer toxicological threshold concept.

http://ecb.jrc.ec.europa.eu/qsar/qsar-tools/index.php?c=TOXTREE

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An open-source QSAR application that can help companies group chemicals based on their predicted toxicity is now available from the European Chemicals Bureau. The ‘Toxtree’ software, developed under contract by Bulgarian consultancy Ideaconsult, applies recognised principles such as the Cramer toxicological threshold concept.

New EU PBT assessment summaries available

Credit www.chemicalwatch.com

The European Chemicals Bureau has published summary reports on assessments of 19 chemicals for their persistence, bioaccumulation and toxic (PBT) potential. They are:

1. 1,2,3-trichlorobenzene; 
2. 1,2,4-trichlorobenzene; 
3. 2,4-dinitrotoluene; 
4. 4,6-di-tert-butyl-m-cresol; 
5. 4,4′-methylenedicyclohexyl diisocyanate; 
6. Diethyldimethylplumbane; Dioxobis(stearato)trilead; 
7. Ethanol, 2,2′-iminobis-, N-C12-18-alkyl derivs; N,N-dicyclohexylbenzothiazole-2-sulphenamide; 
8. 4-(2,4-dichlorophenoxy)aniline; 
9. N-tert-butylbenzothiazole-2-sulphenamide; 
10. Octabenzone; 
11. Perylene-3,4:9,10-tetracarboxylic dianhydride; 
12. Sulfonic acids, 
13. C10-21-alkane, 
14. Ph esters; 
15. Tetrachlorophthalic anhydride; 
16. Triphenylphosphine; 
17. Methylnaphthalene; 
18. β,1,1,2,3,3-hexamethylindan-5-ethanol; and 
19. 2,6-di-tert-butyl-p-cresol (BHT).

http://ecb.jrc.it/esis/index.php?PGM=pbt

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