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Pyrethrum																				Related Pages
Synonyms & Trade Names
			Cinerin I or II, Jasmolin I or II, Pyrethrin I or II, Pyrethrum I or II
					[Note: Pyrethrum is a variable mixture of Cinerin, Jasmolin, and Pyrethrin.]
CAS No.
			8003-34-7
	RTECS No.
			UR4200000
	DOT ID & Guide

FormulaC20H28O3/​C21H28O5/​C21H30O3/​C22H30O5/​C21H28O3/​C22H28O5
	Conversion
	IDLH
			5000 mg/m3See: 8003347

Exposure Limits
			NIOSH RELTWA 5 mg/m3OSHA PEL TWA 5 mg/m3
	Measurement Methods
			**NIOSH** 5008;**OSHA** 70
					
					See: NMAM or OSHA Methods
										
Physical Description
			Brown, viscous oil or solid.
					[insecticide]													
										
Molecular Weight316-374	
	Boiling Point?
	Melting Point?
	SolubilityInsoluble
	Vapor PressureLow
	Ionization Potential?											
Specific Gravity1 (approx)	
	Flash Point180-190°F
	Upper Explosive Limit?
	Lower Explosive Limit?
Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
Incompatibilities & Reactivities
			Strong oxidizers
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			Erythema, dermatitis, papules, pruritus, rhinorrhea (discharge of thin nasal mucus); sneezing; asthma
Target Organs
			respiratory system, skin, central nervous 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 50 mg/m3**: (APF = 10) Any air-purifying half-mask respirator with organic vapor cartridge(s) in combination with an N95, R95, or P95 filter. 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 125 mg/m3**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*(APF = 25) Any powered, air-purifying respirator with an organic vapor cartridge in combination with a high-efficiency particulate filter.***Up to 250 mg/m3**: (APF = 50) Any air-purifying full-facepiece respirator equipped with organic vapor cartridge(s) in combination with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s) in combination with 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 5000 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 (gas mask) with a chin-style, front- or back-mounted organic vapor canister having 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: 1475

			
							

			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
First Aid Procedures Follow NIOSH Facebook
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