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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Description of key information

Oral (Rat, GLP): LD50 > 2000 mg/kg
[Bayer Schering Pharma AG, Report No. A49531, 2010-06-14]
Dermal (Rat, GLP): LD50 > 2000 mg/kg
[Bayer Schering Pharma AG, Report No. A49585, 2010-06-17]

Key value for chemical safety assessment

Additional information

The single oral administration of the boldenone (ZK 5320) to male and female rats at a dose of 2000 mg/kg resulted in increased salivation, decreased motility, digging, cleaning movements and piloerection in 2 out of 3 female animals. One rat was sacrificed in moribund status provoked by incidental misapplication. The acute oral toxicity of boldenome in rats is above 2000 mg/kg body weight. (Bayer Schering Pharma AG, Report No. A49531, 2010-06-14 )

The single dermal administration of boldenone to male and female rats in the doses of 2000 mg/kg was tolerated without any compound-related clinical or macroscopic pathological signs. LD50 > 2000 mg/kg (Bayer Schering Pharma AG, Report No. A49585, 2010-06-17)

 

Justification for classification or non-classification

Due to the results (LD50 > 2000 mg/kg) in the dermal and oral acute toxicity tests classification according to Directive 67/548/EEC and Regulation 1272/2008/EC is not required.