Tetramethyl succinonitrile
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CAS
3333-52-6
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(CH3)2C(CN)C(CN)(CH3)2
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RTECS
WN4025000
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Synonyms & Trade Names
Tetramethyl succinodinitrile, TMSN
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: TWA 3 mg/m3 (0.5 ppm) [skin]
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OSHA PEL: TWA 3 mg/m3 (0.5 ppm) [skin]
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IDLH
5 ppm
See: 3333526
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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
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BP: Sublimes
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MLT: 338°F (Sublimes)
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Sol: Insoluble
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VP: ?
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IP: ?
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Sp.Gr: 1.07
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Fl.P: ?
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UEL: ?
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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
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
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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 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
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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
See ICSC CARD: 1121 |
