Niobium pentachloride
Agent Name
Niobium pentachloride
CAS Number
10026-12-7
Formula
Cl5-Nb
Major Category
Metals
Synonyms
Columbium pentachloride; Niobium chloride; [ChemIDplus] Niobium(V) chloride; [Merck Index] UN3260
Category
Metals, Inorganic Compounds
Description
Yellow highly deliquescent solid; [Merck Index] Yellow lumps with an acidic odor; [Alfa Aesar MSDS]
Sources/Uses
Used as a Lewis acid catalyst in organic synthesis; [Merck Index]
Comments
Causes diffuse hepatitis, fatty liver degeneration, and renal tubular changes in oral lethal-dose studies of rats and mice; Causes abnormal liver function tests and other GI changes in 17-week intermittent oral studies of rabbits; [RTECS] Decomposed by moisture forming hydrogen chloride; [Merck Index] Reacts with water producing hydrochloric acid; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion; [Alfa Aesar MSDS] See "Niobium."
Biomedical References
Exposure Assessment
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, inorganic, n.o.s."
Adverse Effects
Toxic Pneumonitis
Yes
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.