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Warfarin |
CAS 81-81-2 | ||
C19H16O4 |
RTECS GN4550000 | ||
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Synonyms & Trade Names 3-(alpha-Acetonyl)-benzyl-4-hydroxycoumarin, 4-Hydroxy-3-(3-oxo-1-phenyl butyl)-2H-1-benzopyran-2-one, WARF |
DOT ID & Guide |
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Exposure
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NIOSH REL: TWA 0.1 mg/m3 | ||
| OSHA PEL: TWA 0.1 mg/m3 | |||
| IDLH 100 mg/m3 See: 81812 | Conversion | ||
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Physical Description Colorless, odorless, crystalline powder. [rodenticide] |
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MW: 308.3 |
BP: Decomposes |
MLT: 322°F |
Sol: 0.002% |
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VP(71°F): 0.09 mmHg |
IP: ? |
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Sp.Gr: ? |
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Fl.P: ? |
UEL: ? |
LEL: ? |
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| Combustible Solid | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 5002 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: No recommendation Wash skin: When contaminated Remove: When wet or contaminated Change: Daily |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 0.5 mg/m3: (APF = 5) Any quarter-mask respirator. Click here for information on selection of N, R, or P filters. Up to 1 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 2.5 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 5 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 100 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 |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Hematuria (blood in the urine), back pain; hematoma arms, legs; epistaxis (nosebleed), bleeding lips, mucous membrane hemorrhage; abdominal pain, vomiting, fecal blood; petechial rash; abnormal hematologic indices | |
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Target Organs
Blood, cardiovascular system |
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| See also: INTRODUCTION See ICSC CARD: 0821 See MEDICAL TESTS: 0242 |