Tetramethyl succinonitrile |
Synonyms & Trade Names Tetramethyl succinodinitrile, TMSN |
CAS No. 3333-52-6 |
RTECS No. WN4025000 |
DOT ID & Guide |
Formula(CH3)2C(CN)C(CN)(CH3)2 |
Conversion 1 ppm = 5.57 mg/m3 |
IDLH 5 ppm
See: 3333526 |
Exposure Limits NIOSH REL: TWA 3 mg/m3 (0.5 ppm) [skin]
OSHA PEL: TWA 3 mg/m3 (0.5 ppm) [skin] |
Measurement Methods
NIOSH S155 (II-3);
OSHA 7
See: NMAM or OSHA Methods |
Physical Description Colorless, odorless solid. [Note: Forms cyanide in the body.] |
MW: 136.2 |
BP: Sublimes |
MLT: 338°F (Sublimes) |
Sol: Insoluble |
VP: ? |
IP: ? |
Sp.Gr: 1.07 |
Fl.P: ? |
UEL: ? |
LEL: ? |
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| Combustible Solid |
Incompatibilities & Reactivities Strong oxidizers |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms headache, nausea; convulsions, coma; liver, kidney, gastrointestinal effects |
Target Organs central nervous system, liver, kidneys, gastrointestinal tract |
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Personal Protection/Sanitation (See protection codes)
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 |
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 |
| See also: INTRODUCTION See ICSC CARD: 1121
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