Registration Dossier

Administrative data

Description of key information

A single dose of the test item was administered orally or dermally to Wistar rats at concentrations of 2000 mg/kg bw. No mortality occurred. Clinical examiniation and gross necropsy did not reveal any findings. The LD50 after oral and dermal administration is therefore considered to be > 2000 mg/kg bw.

Key value for chemical safety assessment

Acute toxicity: via oral route

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed
Dose descriptor:
LD50
2 000 mg/kg bw

Acute toxicity: via inhalation route

Endpoint conclusion
Endpoint conclusion:
no study available

Acute toxicity: via dermal route

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed
Dose descriptor:
LD50
2 000 mg/kg bw

Additional information

In an acute dermal toxicity study, young adult Wistar rats were dermally exposed to a single dose of 2000 mg/kg bw to the clipped skin and covered by semi-occlusive dressing for 24 hours. The animals were observed for 14 days. No mortality occurred. No signs of systemic toxicity were observed. No macroscopic pathologic abnormalities were noted in the animals examined at the end of the study. Accordingly, the acute dermal median lethal dose (LD50) was determined to be LD50, dermal, rat > 2000 mg/kg bw.

In an acute oral toxicity study performed according to the Acute Toxic Class method, 2000 mg/kg bw of the undiluted test item were administered by gavage to two test groups of three fasted Wistar rats each (2000 mg/kg bw in 6 females). No mortality occurred. No mortality occurred. There were no macroscopic pathological findings in all animals at the end of the observation period. The acute oral LD50was calculated to be > 2000 mg/kg bw.

Justification for classification or non-classification

Dangerous Substance Directive (67/548/EEC)

The available studies are considered reliable and suitable for classification purposes under 67/548/EEC. As a result the substance is not considered to be classified for acute toxicity under Directive 67/548/EEC.

                               

Classification, Labelling, and Packaging Regulation (EC) No. 1272/2008

The available experimental test data are reliable and suitable for classification purposes under Regulation 1272/2008. As a result the substance is not considered to be classified for acute toxicity under Regulation (EC) No. 1272/2008.