Agent Name

Tantalum pentafluoride

CAS Number

7783-71-3

Formula

F5-Ta

Major Category

Metals

Synonyms

Tantalum fluoride; [ChemIDplus] Tantalum(V) fluoride; [Sigma-Aldrich MSDS] UN3260

Category

Metals, Inorganic Compounds

Description

Deliquescent refractive solid; [Merck Index] Off-white powder; [Sigma-Aldrich MSDS]

Sources/Uses

Used as a Friedel-Crafts catalyst; [Merck Index]

Comments

Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS] See "Tantalum, metal and tantalum oxide, dust." See "Tantalum pentachloride."

Exposure Assessment
BEI

Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)

TLV (ACGIH)

2.5 mg/m3

PEL (OSHA)

2.5 mg/m3

MAK

1 mg/m3

IDLH (NIOSH)

250 mg/m3

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, inorganic, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.