Silver (metal dust and soluble compounds, as Ag)

Synonyms & Trade Names
Silver metal, Silver nitrate
CAS No.
7440-22-4 (metal)
RTECS No.
DOT ID & Guide
Formula
Ag (metal)
Conversion
IDLH
10 mg/m3 (as Ag)
See: 7440224
Exposure Limits
NIOSH REL
TWA 0.01 mg/m3
OSHA 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 Weight
107.9
Boiling Point
3632°F
Melting Point
1761°F
Solubility
Insoluble
Vapor Pressure
0 mmHg (approx)
Ionization Potential
NA
Specific Gravity
10.49 (metal)
Flash Point
NA
Upper Exposive Limit
NA
Lower Explosive Limit
NA
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: November 29, 2018