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| o-Chlorobenzylidene malononitrile | CAS 2698-41-1 | ||
| ClC6H4CH=C(CN)2 | RTECS OO3675000 | ||
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Synonyms & Trade Names 2-Chlorobenzalmalonitrile, CS, OCBM |
DOT ID & Guide 2810 153 |
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Exposure Limits |
NIOSH REL: C 0.05 ppm (0.4 mg/m3) [skin] | ||
| OSHA PEL†: TWA 0.05 ppm (0.4 mg/m3) | |||
| IDLH 2 mg/m3 See: 2698411 | Conversion 1 ppm = 7.71 mg/m3 | ||
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Physical Description White crystalline solid with a pepper-like odor. |
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MW: 188.6 |
BP: 590-599°F |
MLT: 203-205°F |
Sol: Insoluble |
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VP: 0.00003 mmHg |
IP: ? |
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Sp.Gr: ? |
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Fl.P: ? |
UEL: ? |
LEL: ? |
MEC: 25 g/m3 |
| Combustible Solid | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH P&CAM304; (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/Daily 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 2 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£/(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern and having 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 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 canister providing protection against the compound of concern and having a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Pain, burn eyes, lacrimation (discharge of tears), conjunctivitis; erythema (skin redness) eyelids, blepharospasm; irritation throat, cough, chest tightness; headache; erythema (skin redness), skin vesiculation | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION |