FENTANYL AND FENTANYL CITRATE, AS FENTANYL

CAS Number: 437-38-7 (fentanyl); 990-73-8 (fentanyl citrate)

Synonyms: Actiq; Duragesic; Fentanil; Fentanest; Fentora; Instanyl; Phentanyl; Sublimaze

Molecular Formula: C₂₂H₂₈N₂O (fentanyl); C₂₂H₂₈N₂O•C₆H₈O₇ (fentanyl citrate)

Chemical Structure¹:   

TLV^®-TWA, 0.0001 mg/m³ (0.1 µg/m³), Inhalable Particulate Matter, as fentanyl

TLV-STEL, 0.0002 mg/m³ (0.2 µg/m³), Inhalable Particulate Matter, as fentanyl

TLV-SL, 0.001 mg/100 cm² (1 µg/100 cm²), as fentanyl

Skin

A4-Not Classifiable as a Human Carcinogen

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