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| Ethylene thiourea | CAS 96-45-7 | ||
| C3H6N2S | RTECS NI9625000 | ||
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Synonyms & Trade Names 1,3-Ethylene-2-thiourea; N,N-Ethylenethiourea; ETU; 2-Imidazolidine-2-thione |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: Ca Use encapsulated form. See Appendix A | ||
| OSHA PEL: none | |||
| IDLH Ca [N.D.] | Conversion | ||
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Physical Description White to pale-green, crystalline solid with a faint, amine odor. [Note: Used as an accelerator in the curing of polychloroprene & other elastomers.] |
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MW: 102.2 |
BP: 446-595°F |
MLT: 392°F |
Sol(86°F): 2% |
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VP: 16 mmHg |
IP: 8.15 eV |
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Sp.Gr: ? |
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Fl.P: 486°F |
UEL: ? |
LEL: ? |
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| Combustible Solid | |||
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Incompatibilities & Reactivities Acrolein |
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Measurement Methods NIOSH 5011; OSHA 95 |
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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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Respirator Recommendations
NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (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, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes; in animals: thickening of the skin; goiter; teratogenic effects; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, thyroid, reproductive system Cancer Site [in animals: liver, thyroid & lymphatic system tumors] |
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| See also: INTRODUCTION |