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Silver (metal dust and soluble compounds, as Ag)																				Related Pages
Synonyms & Trade Names
			Silver metal, Silver nitrate
CAS No.
			7440-22-4 (metal)
	RTECS No.
			VW3500000 (metal)
	DOT ID & Guide

FormulaAg (metal)
	Conversion
	IDLH
			10 mg/m3 (as Ag)See: 7440224

Exposure Limits
			NIOSH RELTWA 0.01 mg/m3OSHA PEL TWA 0.01 mg/m3
	Measurement Methods
			**NIOSH** 7300 , 7301 , 9102;**OSHA** ID121
					
					See: NMAM or OSHA Methods
										
Physical Description
			Metal: White, lustrous solid.													
										
Molecular Weight107.9	
	Boiling Point3632°F
	Melting Point1761°F
	SolubilityInsoluble
	Vapor Pressure0 mmHg (approx)
	Ionization PotentialNA											
Specific Gravity10.49 (metal)	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
Metal: Noncombustible Solid, but flammable in form of dust or powder.
Incompatibilities & Reactivities
			Acetylene, ammonia, hydrogen peroxide, bromoazide, chlorine trifluoride, ethyleneimine, oxalic acid, tartaric acid
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			Blue-gray eyes, nasal septum, throat, skin; irritation, ulceration skin; gastrointestinal disturbance
Target Organs
			Nasal septum, skin, eyes
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**Remove:**When wet or contaminated (AgNO3)
							**Change:**Daily
							**Provide:**Eyewash
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water flush
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH/OSHA****Up to 0.25 mg/m3**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£(APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.£**Up to 0.5 mg/m3**:(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.(APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece**Up to 10 mg/m3**: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode**Emergency or planned entry into unknown concentrations or IDLH conditions:** (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus**Escape:**(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.Any appropriate escape-type, self-contained breathing apparatus
					Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0810
					  MEDICAL TESTS: 0208

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
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