Agent Name

Silver difluoride

CAS Number

7783-95-1

Formula

Ag-F2

Major Category

Metals

Synonyms

Argent fluorure [French]; Argentic fluoride; Silver (II) fluoride; Silver fluoride (AgF2); Silver(II) fluoride; [ChemIDplus] UN3084

Category

Metals, Inorganic Compounds

Description

White solid when pure; Highly hygroscopic; "Greasy black mass" when exposed to atmospheric moisture; [Merck Index] Brown crystalline solid; [Alfa Aesar MSDS]

Sources/Uses

Used in the fluorination of hydrocarbons; [Merck Index]

Comments

Reacts violently with water; A strong oxidizing agent; Highly toxic with symptoms due to fluoride; [Merck Index] Reacts violently with water; An oxidizer that may cause fire on contact with combustible materials; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion, inhalation, and skin absorption; [Alfa Aesar MSDS]

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

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

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Corrosive solid, oxidizing, 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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Other Information

No other related information on this agent was found.