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Indium

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Synonyms & Trade Names
Indium metal
CAS No.
7440-74-6
RTECS No.
NL1050000
DOT ID & Guide
Formula
In
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 0.1 mg/m3 [*Note: The REL also applies to other indium compounds (as In).]
OSHA PEL
none See Appendix G
Measurement Methods
NIOSH P&CAM173 (II-5) , 7303;
OSHA ID121
See: NMAM or OSHA Methods
Physical Description
Ductile, shiny, silver-white metal that is softer than lead.
Molecular Weight
114.8
Boiling Point
3767°F
Melting Point
314°F
Solubility
Insoluble
Vapor Pressure
0 mmHg (approx)
Ionization Potential
NA
Specific Gravity
7.31
Flash Point
NA
Upper Explosive Limit
NA
Lower Explosive Limit
NA
Noncombustible Solid in bulk form, but may ignite in powdered or dust form.
Incompatibilities & Reactivities
(Dinitrogen tetraoxide + acetonitrile), mercury(II) bromide (at 662°F), sulfur (mixtures ignite when heated) [Note: oxidizes readily at higher temperatures.]
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system; possible liver, kidney, heart, blood effects; pulmonary edema
Target Organs
Eyes, skin, respiratory system, liver, kidneys, heart, blood
Personal Protection/Sanitation
(See protection codes)
Skin:No recommendation
Eyes:No recommendation
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 1293
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health