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Antimony																				Related Pages
Synonyms & Trade Names
			Antimony metal, Antimony powder, Stibium
CAS No.
			7440-36-0
	RTECS No.
			CC4025000
	DOT ID & Guide
			1549 157(inorganic compounds, n.o.s.)2871 170(powder)3141 157(inorganic liquid compounds, n.o.s.)

FormulaSb
	Conversion
	IDLH
			50 mg/m3 (as Sb)See: 7440360

Exposure Limits
			NIOSH RELTWA 0.5 mg/m3 [*Note: The REL also applies to other antimony compounds (as Sb).]
					OSHA PEL TWA 0.5 mg/m3 [*Note: The PEL also applies to other antimony compounds (as Sb).]
	Measurement Methods
			**NIOSH** P&CAM261 (II-4) , 7301 , 7303;**OSHA** ID121 , ID125G , ID206
					
					See: NMAM or OSHA Methods
										
Physical Description
			Silver-white, lustrous, hard, brittle solid; scale-like crystals; or a dark-gray, lustrous powder.													
										
Molecular Weight121.8	
	Boiling Point2975°F
	Melting Point1166°F
	SolubilityInsoluble
	Vapor Pressure0 mmHg (approx)
	Ionization PotentialNA											
Specific Gravity6.69	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
Noncombustible Solid in bulk form, but a moderate explosion hazard in the form of dust when exposed to flame.
Incompatibilities & Reactivities
			Strong oxidizers, acids, halogenated acids
					[Note: Stibine is formed when antimony is exposed to nascent (freshly formed) hydrogen.]
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, nose, throat, mouth; cough; dizziness; headache; nausea, vomiting, diarrhea; stomach cramps; insomnia; anorexia; unable to smell properly
Target Organs
			Eyes, skin, respiratory system, cardiovascular system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**Remove:**When wet or contaminated
							**Change:**Daily
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Soap wash immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH/OSHA****Up to 5 mg/m3**: (APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters.(APF = 10) Any supplied-air respirator**Up to 12.5 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 25 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 supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter(APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece**Up to 50 mg/m3**: (APF = 1000) Any supplied-air respirator 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: 0775

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
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A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
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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
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