Agent Name
Silver protein
Synonyms
Mild silver protein; Argentoproteinum; Argentum vitellinum; Argisal; Argyn; Argyrol; Cargentos; Lunargen; Mild Protargin; Mucleinate mild; Protargin mild; Protargol; Silver nucleinate; Silver protein complexes; Silver protein, mild; Silver proteinate; Silvol; Solargentum; [ChemIDplus] Protargin; Silver nucleate; [Merck Index] Silver protein for histology, strong; [Alfa Aesar MSDS]
Category
Organic Compounds, Metal Salts
Description
Mild form: Brown, dark brown, or almost black solid; Strong form: Pale yellowish-orange to brownish-black solid; Both forms are odorless, somewhat hygroscopic, and soluble in water; [Merck Index] Pale yellow or brown odorless powder; [Alfa Aesar MSDS]
Sources/Uses
A mixture of colloidal silver and proteins used to stain neurons; it is also used as a contrast medium for electron microscopy and an antiseptic; [Merck Index] "Used in ophthalmic solution and tissue stains." [ChemIDplus]
Comments
Mild form contains approximately 20% silver; Strong form contains approximately 8% silver; [Merck Index] May cause irritation; [Alfa Aesar MSDS] See "Silver."
TLV (ACGIH)
0.01 mg/m3, as Ag (compounds)
PEL (OSHA)
0.01 mg/m3, as Ag
MAK
0.01 mg/m3, inhalable fraction (salts), as Ag
IDLH (NIOSH)
10 mg/m3, as Ag
Processes
Industrial Processes with risk of exposure: