Ethylene thiourea |
Synonyms & Trade Names 1,3-Ethylene-2-thiourea; N,N-Ethylenethiourea; ETU; 2-Imidazolidine-2-thione |
CAS No. 96-45-7 |
RTECS No. NI9625000 |
DOT ID & Guide |
FormulaC3H6N2S |
Conversion |
IDLH Ca [N.D.]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca Use encapsulated form. See Appendix A
OSHA PEL: none |
Measurement Methods
NIOSH 5011;
OSHA 95
See: NMAM or OSHA Methods |
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.] |
MW: 102.2 |
BP: 446-595°F |
MLT: 392°F |
Sol(86°F): 2% |
VP: 16 mmHg |
IP: 8.15 eV |
Sp.Gr: ? |
Fl.P: 486°F |
UEL: ? |
LEL: ? |
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| Combustible Solid |
Incompatibilities & Reactivities Acrolein |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes; in animals: thickening of the skin; goiter; teratogenic effects; [potential occupational carcinogen] |
Target Organs Eyes, skin, thyroid, reproductive system |
Cancer Site[in animals: liver, thyroid & lymphatic sys tumors] |
Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
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 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: 1148
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