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Indium																				Related Pages
Synonyms & Trade Names
			Indium metal
CAS No.
			7440-74-6
	RTECS No.
			NL1050000
	DOT ID & Guide

FormulaIn
	Conversion
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 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 Weight114.8	
	Boiling Point3767°F
	Melting Point314°F
	SolubilityInsoluble
	Vapor Pressure0 mmHg (approx)
	Ionization PotentialNA											
Specific Gravity7.31	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
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 NIOSH Pocket Guide to Chemical Hazards
Introduction
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CAS Numbers
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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
First Aid Procedures Follow NIOSH Facebook
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