beta-Propiolactone |
Synonyms & Trade Names BPL; Hydroacrylic acid, ?-lactone; 3-Hydroxy-?-lactone; 3-Hydroxy-propionic acid; ?-Lactone; 2-Oxetanone; 3-Propiolactone |
CAS No. 57-57-8 |
RTECS No. RQ7350000 |
DOT ID & Guide |
FormulaC3H4O2 |
Conversion |
IDLH Ca [N.D]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca See Appendix A
OSHA PEL: [1910.1013] See Appendix B |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a slightly sweet odor. |
MW: 72.1 |
BP: 323°F (Decomposes) |
FRZ: -28°F |
Sol: 37% |
VP(77°F): 3 mmHg |
IP: ? |
Sp.Gr: 1.15 |
Fl.P: 165°F |
UEL: ? |
LEL: 2.9% |
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| Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F. |
Incompatibilities & Reactivities Acetates, halogens, thiocyanates, thiosulfates [Note: May polymerize upon storage.] |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms Skin irritation, blistering, burns; corneal opacity; frequent urination; dysuria; hematuria (blood in the urine); [potential occupational carcinogen] |
Target Organs Kidneys, skin, lungs, eyes |
Cancer Site[in animals: tumors of the liver, skin & stomach] |
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
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations (See Appendix E)
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
Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0555 See MEDICAL TESTS: 0197 |
