Registration Dossier
Registration Dossier
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EC number: 232-259-2 | CAS number: 7803-49-8
Endpoint summary
Administrative data
Description of key information
Additional information
Under relevant pH conditions as typically met in most surface waters (pH 7-9), hydroxylamine is almost entirely abundant as uncharged molecule (see also Chapter 4.21). Therefore, the hazard assessment of hydroxylamine and its salts can be considered as the hazard assessment of hydroxylamine, exclusively. Toxicity of the corresponding anion of Bis(hydroxylammonium) sulphate or Hydroxylammonium, hydrochloride may be neglected since toxicity values for various relevant salts, such as NaCl or Na2SO4, have been shown to be far greater than 100 mg/l (e.g. Mount et al. 1997). BASF AG (2007)
Data are available concerning the short-term effects on fish, daphnia and algae for Bis(hydroxylammonium)sulphate. However, most of the information is not completely reliable and can only be used as indicative information. Furthermore, a highly reliable chronic test is available, examining daphnia in a semistatic system. The PNECaquatic has been derived from the latter, chonic study.
BASF AG (2007). Expert judgement. Department of product safety, 01 Aug 2007
Mount DR et al. (1997). Statistical models to predict the toxicity of major ions to ceriodaphina dubia, daphina magna and pimephals promelas. Environm Toxicol Chemistr 16: 2009-2019
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