Agent Name

Hexafluorophosphoric acid

CAS Number

16940-81-1

Formula

F6-P.H

Major Category

Other Classes

Synonyms

Fluorophosphoric acid (HPF6); Hydrogen hexafluorophosphate; Hydrogen hexafluorophosphate(1-); Phosphate(1-) hexafluoro-, hydrogen; [ChemIDplus] UN1782

Category

Fluorides, Inorganic

Description

65% solution: Colorless fuming liquid; [Hawley] 60% aqueous solution: Colorless liquid; [MSDSonline]

Sources/Uses

Used in metal cleaners and in electrolytic or chemical polishing agents for formation of protective coatings for metal surfaces; Also used as a catalyst, fluorinating agent, fungicide, and to make many hexafluorophosphates; [HSDB]

Comments

A strong irritant; [Hawley] Corrosive to tissue; [CAMEO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline] See "FLUORIDES."

Exposure Assessment
TLV (ACGIH)

2.5 mg/m3, as F

PEL (OSHA)

2.5 mg/m3, as F

MAK

1 mg/m3, inhalable fraction, as F

IDLH (NIOSH)

250 mg/m3, as F

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: