Assertion: pyridine | /r/HasProperty | alkyl derivs
Facets:
Source sentences:
text: Pyridine, alkyl derivs.
text: Pyridine, alkyl derivs. was identified as a high priority as it was considered to pose the greatest potential for exposure of individuals in Canada and is classified by other agencies on the basis of carcinogenicity.
text: Based on the information available, it is concluded that pyridine, alkyl derivs. does not meet the criteria in paragraph 64(c) of CEPA 1999, as it is not entering the environment in a quantity or concentration or under conditions that constitute or may constitute a danger in Canada to human life or health.
text: Based on the information available, it is concluded that pyridine, alkyl derivs. does not meet the criteria in paragraphs 64(a) and (b) as it is not entering the environment in a quantity or concentration or under conditions that have or may have an immediate or long-term harmful effect on the environment or its biological diversity or that constitute or may constitute a danger to the environment on which life depends.
text: It is, therefore, concluded that pyridine, alkyl derivs. does not meet any of the criteria set out in section 64 of CEPA 1999.
text: Pyridine, alkyl derivs. is a UVCB (Unknown or Variable Composition, Complex Reaction Products or Biological Materials) substance that, according to the DSL definition of a UVCB, cannot be represented by a single structural diagram and a single chemical formula.
text: The Chemical Abstracts Service defines pyridine, alkyl derivs.
text: Few empirical data are available for pyridine, alkyl derivs.
text: 168612-09-7 Pyridine, alkyl derivs., acetates n/a Persistence, aquatic toxicity 168612-10-0 Acetic acid mercapto-, compds with alkylpyridines n/a Persistence, aquatic toxicity
text: Pyridine, alkyl derivs.
text: Pyridine, alkyl derivs. is a UVCB mixture of polyalkylated pyridines that, as defined by the Chemical Abstracts Service, may either be derived naturally through coal tar distillation or synthetically as the high-boiling distillates approximately above 150°C from the reaction of ammonia with acetaldehyde, formaldehyde or paraformaldehyde (NCI 2010).
text: Pyridine, alkyl derivs. was not notified as an ingredient in cosmetic products in Canada (CNS 2010) and does not appear on the Cosmetic Ingredient Hotlist,
text: Pyridine, alkyl derivs. is not listed as an approved food additive under Division 16 of the Food and Drug Regulations (Canada ).
text: Pyridine, alkyl derivs. was not identified in food packaging applications but was identified to be present and/or used in formulations of incidental additives that are used in two cleaning products for food contact surfaces and equipment and three de-scaling products, not for contact with foods, for use in boilers, condensers, chillers, evaporators and heat exchangers in food plants (July-August 2010 emails from Food Directorate, Health Canada, to Risk Management Bureau, Health Canada; unreferenced).
text: Pyridine, alkyl derivs. is not listed in the Drug Product Database (DPD), the Therapeutic Products Directorate's internal Non-Medicinal Ingredient Database, the Natural Health Products Ingredients Database (NHPID) or the Licensed Natural Health Products Database (LNHPD) as a medicinal or a non-medicinal ingredient present in final pharmaceutical products, natural health products or veterinary drugs (DPD 2010; NHPID 2010; LNHPD 2010; May-June 2010 emails from Therapeutic Products Directorate, Health Canada to Risk Management Bureau, Health Canada; unreferenced).
text: Pyridine, alkyl derivs. is a yellow to dark brown liquid with a density comparable to that of water (950 – 1160 kg/m3)
text: Henry’s Law constant (4.1 x 10-6 Pa·m3/mol) values reported for both pyridine, alkyl derivs. and its analogues (see Table 2), indicate that pyridine, alkyl derivs.
text: The lower experimental volatility of pyridine, alkyl derivs.
text: If released to soil, the high water solubilities and relatively low log K ow s of pyridine, alkyl derivs. and its various alkylated pyridine components suggest that pyridine, alkyl derivs. has low adsorptivity to soil.
text: This indicates that pyridine, alkyl derivs. is expected to be persistent in soil and sediment.
text: The available evidence indicates that pyridine, alkyl derivs. is expected to have a low potential for bioaccumulation and for biomagnification due to its physical and chemical properties (low log K ow , high water solubility, tendency to ionize), low modelled BAF and BCFs and its metabolism potential (see Table 5).
text: Although all predictions using models have some degree of error, both the metabolism-corrected and non-metabolism corrected mass balance model outputs confirmed that pyridine, alkyl derivs.
text: To estimate environmental exposure to the general population, an alternative approach of modelling estimated environmental concentrations by means of estimated physicochemical properties of a representative structure, 2-ethyl-4-methylpyridine, from EPI Suite™ and annual release estimates of pyridine, alkyl derivs.
text: As empirical monitoring data could not be identified for pyridine, alkyl derivs.
text: The European Commission has classified pyridine, alkyl derivs.
text: Pyridine, alkyl derivs. mainly contains mono-, di- or tri- methyl pyridines, methyl-ethyl- pyridines, ethyl- pyridines and propyl- pyridine.
text: It is recognized that pyridine, alkyl derivs.
text: Some pyridine, alkyl derivs.
text: Based on the information presented in this final screening assessment, it is concluded that pyridine, alkyl derivs. does not meet the criteria in paragraphs 64(a) and (b) of CEPA 1999, as it is not entering the environment in a quantity or concentration or under conditions that have or may have an immediate or long-term harmful effect on the environment or its biological diversity or that constitute or may constitute a danger to the environment on which life depends.
text: Based upon consideration of the available data, it is concluded that pyridine, alkyl derivs. does not meet the criteria in paragraph 64(c) of CEPA 1999, as it is not a substance entering the environment in a quantity or concentration or under conditions that constitute or may constitute a danger in Canada to human life or health.
text: It is therefore concluded that pyridine, alkyl derivs. does not meet the criteria as set out in section 64 of CEPA 1999.
text: Pyridine, alkyl derivs. is an organic UVCB substance (subtype 2), yellow to dark brown, organic liquid.
text: Pyridine, alkyl derivs. has a density of >= 0.90 to <= 1.10 g/mL.
text: Its physical chemical properties indicate that Pyridine, alkyl derivs. would be expected to be found in water.
text: Pyridine, alkyl derivs. is considered highly soluble.
text: Pyridine, alkyl derivs. was shown to be inherently biodegradable.
text: Pyridine, alkyl derivs. showed limited biodegradation, most likely due to cytotoxicity effects.
text: Pyridine, alkyl derivs. is not likely to bioaccumulate.
text: Based on experimental results obtained using the representative constituent MEP and based on model calculations, Pyridine, alkyl derivs. is considered to have a logPow < 3.
text: If released to the aquatic environment, Pyridine, alkyl derivs. is expected to reside in the aquatic and to some extent partition into sediment.