Agent Name

Potassium fluoride

CAS Number

7789-23-3

Formula

K-F

Major Category

Other Classes

Synonyms

Fluorure de potassium [French]; Potassium fluoride; Potassium fluorure [French]; [ChemIDplus] UN1812

Category

Fluorides, Inorganic

Description

White deliquescent crystals; [HSDB]

Sources/Uses

Used in silver soldering fluxes, glass etching, water fluoridation, and as a preservative and insecticide; [HSDB]

Comments

Toxic by ingestion; A skin, eye, and mucous membrane irritant; Contact with molten substance can cause burns; Reacts with acids to produce toxic hydrogen fluoride gas; [CAMEO]

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, as F

PEL (OSHA)

2.5 mg/m3, as F

MAK

1 mg/m3, as F, inhalable fraction

IDLH (NIOSH)

250 mg/m3, as F

Adverse Effects
Dermatotoxin

Skin Burns

IARC Carcinogen

Not Classifiable

ACGIH Carcinogen

Not Classifiable

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: