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| Tetramethyl succinonitrile | CAS 3333-52-6 | ||
| (CH3)2C(CN)C(CN)(CH3)2 | RTECS WN4025000 | ||
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Synonyms & Trade Names Tetramethyl succinodinitrile, TMSN |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 3 mg/m3 (0.5 ppm) [skin] | ||
| OSHA PEL: TWA 3 mg/m3 (0.5 ppm) [skin] | |||
| IDLH 5 ppm | Conversion 1 ppm = 5.57 mg/m3 | ||
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Physical Description Colorless, odorless solid. [Note: Forms cyanide in the body.] |
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MW: 136.2 |
BP: Sublimes |
MLT: 338°F (Sublimes) |
Sol: Insoluble |
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VP: ? |
IP: ? |
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Sp.Gr: 1.07 |
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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 S155 (II-3); OSHA 7 |
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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 promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 28 mg/m3: (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 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 Headache, nausea; convulsions, coma; liver, kidney, gastrointestinal effects | |
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Target Organs
central nervous system, liver, kidneys, gastrointestinal tract |
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| See also: INTRODUCTION |