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2,4-D |
CAS 94-75-7 | ||
Cl2C6H3OCH2COOH |
RTECS AG6825000 | ||
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Synonyms & Trade Names Dichlorophenoxyacetic acid; 2,4-Dichlorophenoxyacetic acid |
DOT ID & Guide 2765 152 |
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Exposure
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NIOSH REL: TWA 10 mg/m3 | ||
| OSHA PEL: TWA 10 mg/m3 | |||
| IDLH 100 mg/m3 See: 94757 | Conversion | ||
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Physical Description White to yellow, crystalline, odorless powder. [herbicide] |
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MW: 221.0 |
BP: Decomposes |
MLT: 280°F |
Sol: 0.05% |
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VP(320°F): 0.4 mmHg |
IP: ? |
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Sp.Gr: 1.57 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid, but may be dissolved in flammable liquids. | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 5001 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) 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 promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 100 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 = 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. (APF = 25) Any powered air-purifying respirator with an organic vapor cartridge in combination with a high-efficiency particulate filter. (APF = 10) Any supplied-air respirator (APF = 50) Any self-contained breathing apparatus with a full facepiece 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 |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Lassitude (weakness, exhaustion), stupor, hyporeflexia, muscle twitching; convulsions; dermatitis; in animals: liver, kidney injury | |
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Target Organs
Skin, central nervous system, liver, kidneys |
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| See also: INTRODUCTION See ICSC CARD: 0033 See MEDICAL TESTS: 0248 |