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Key value for chemical safety assessment

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In accordance with the CLP Regulation criteria, a substance is classified as to its acute oral toxicity if LD502 000 mg/kg bw. The lowest published data on acute oral toxicity of trichlorosilane is LD50 (oral, rat) =1030 mg/kg (handbook data). This value corresponds to Class 4 Acute oral toxicity (300 < LD50 ≤ 2000 mg/kg bw).       

In accordance with the CLP Regulation criteria, a substance is classified as to its acute inhalation toxicity if LC505 mg/L. The published data on acute inhalation toxicity of trichlorosilane is LC50 (oral, mice) =1.5 mg/L mg/kg

(handbook data). T

his value corresponds to Class 4 Acute oral toxicity (1.0 < LC50 ≤ 5 mg/L).       

Justification for classification or non-classification