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| Crag® herbicide | CAS 136-78-7 | ||
| C6H3Cl2OCH2CH2OSO3Na | RTECS KK4900000 | ||
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Synonyms & Trade Names Crag® herbicide No. 1; 2-(2,4-Dichlorophenoxy)ethyl sodium sulfate; Sesone |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp) | ||
| OSHA PEL†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) | |||
| IDLH 500 mg/m3 See: 136787 | Conversion | ||
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Physical Description Colorless to white crystalline, odorless solid. [herbicide] |
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MW: 309.1 |
BP: Decomposes |
MLT: 473°F (Decomposes) |
Sol(77°F): 26% |
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VP: 0.1 mmHg |
IP: ? |
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Sp.Gr: 1.70 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Strong oxidizers, acids |
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Measurement Methods NIOSH S356 (II-5) 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: Water wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH Up to 50 mg/m3: (APF = 5) Any dust and mist respirator Up to 100 mg/m3: (APF = 10) Any dust and mist respirator except single-use and quarter-mask respirators/(APF = 10) Any supplied-air respirator Up to 250 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode/(APF = 25) Any powered, air-purifying respirator with a dust and mist filter Up to 500 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter*/(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator 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 with 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 Irritation eyes, skin; liver, kidney damage; in animals: central nervous system effects, convulsions | |
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Target Organs
Eyes, skin, central nervous system, liver, kidneys |
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| See also: INTRODUCTION See ICSC CARD: 1142 |