Agent Name

Silver fluoride

CAS Number

7775-41-9; 11113-87-4

Formula

Ag-F

Major Category

Metals

Synonyms

Silver(I) fluoride; [Aldrich MSDS] UN3260

Category

Metals, Inorganic Compounds

Description

Highly hygroscopic solid; Darkened by light; [Merck Index] Yellow to gray odorless solid; [CAMEO] Deep brown hygroscopic powder; [Aldrich MSDS] Soluble in water when freshly prepared; Gradually becomes insoluble in moist air; [Merck Index]

Sources/Uses

Used to convert organic bromine and chlorine compounds to their fluoro analogs and as a therapeutic antiseptic and anti-infective; [Merck Index] Silacide was registered in the US as a pesticide until 1989. [NPIRS]

Comments

Water solubility when fresh = 182 g/100 mL at 15.5 deg C; Gradually becomes insoluble in moist air due to formation of basic fluoride; Prolonged exposure may cause mottling of teeth and skeletal changes; [Merck Index] An eye, nose, and throat irritant; [CAMEO] Light sensitive; Causes burns; Inhalation can cause corrosive effects on the upper respiratory tract and lungs; Toxic by ingestion, inhalation, and skin absorption; May cause argyria; [Aldrich MSDS] See "FLUORIDES." See "Silver."

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(0.01 mg/m3, as Ag) , as F

MAK

1 mg/m3(0.01 mg/m3, as Ag) , inhalable fraction, as F (0.01 mg/m3 inhalable fraction, as Ag [salts])

Explanatory Notes

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

Adverse Effects
Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: