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Nomination Summary for Tetravalent and pentavalent vanadium compounds (N20806)

Nominated Substances: Ammonium metavanadate, Sodium Metavanadate, Sodium orthovanadate, Vanadium pentoxide, Vanadyl sulfate

Nomination Date: 12/05/2007

Nominator: NIEHS/NTP; EPA

Rationale: Widespread occurrence as drinking water contaminant and use as a dietary supplement; EPA Drinking Water Contaminant Candidate List research need; pentavalent form carcinogenic via inhalation route; inadequate data to assess risk of oral exposures.

NTP Principles: not specified

Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

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CASRN: 13718-26-8

Agent Name: Sodium Metavanadate

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CASRN: 13721-39-6

Agent Name: Sodium orthovanadate

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CASRN: 1314-62-1

Agent Name: Vanadium pentoxide

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CASRN: 27774-13-6

Agent Name: Vanadyl sulfate