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| Pyrethrum | CAS 8003-34-7 | ||
| C20H28O3 / C21H28O5 / C21H30O3 / C22H30O5 / C21H28O3 / C22H28O5 | RTECS UR4200000 | ||
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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.] |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 5 mg/m3 | ||
| OSHA PEL: TWA 5 mg/m3 | |||
| IDLH 5000 mg/m3 See: 8003347 | Conversion | ||
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Physical Description Brown, viscous oil or solid. [insecticide] |
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MW: 316-374 |
BP: ? |
MLT: ? |
Sol: Insoluble |
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VP: Low |
IP: ? |
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Sp.Gr: 1 (approx) |
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Fl.P: 180-190°F |
UEL: ? |
LEL: ? |
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| Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F. | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 5008; OSHA 70 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation 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 |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 50 mg/m3: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s) in combination with a dust, mist, and fume filter*/(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 organic vapor cartridge(s) in combination with a dust, mist, and fume filter* Up to 250 mg/m3: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter/(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 a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Erythema, dermatitis, papules, pruritus, rhinorrhea (discharge of thin mucus); sneezing; asthma | |
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Target Organs
respiratory system, skin, central nervous system |
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| See also: INTRODUCTION |