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| Malonaldehyde | CAS 542-78-9 | ||
| CHOCH2CHO | RTECS TX6475000 | ||
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Synonyms & Trade Names Malonic aldehyde; Malonodialdehyde; Propanedial; 1,3-Propanedial [Note: Pure Malonaldehyde is unstable and may be used as its sodium salt.] |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: Ca See Appendix A See Appendix C (Aldehydes) | ||
| OSHA PEL: none | |||
| IDLH Ca [N.D.] | Conversion | ||
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Physical Description Solid (needles). |
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MW: 72.1 |
BP: ? |
MLT: 161°F |
Sol: ? |
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VP: ? |
IP: ? |
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Sp.Gr: ? |
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Fl.P: ? |
UEL: ? |
LEL: ? |
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Incompatibilities & Reactivities Proteins [Note: Pure compound is stable under neutral conditions, but not under acidic conditions.] |
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Measurement Methods None available |
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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 Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush 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/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, respiratory system; central nervous system depression; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, respiratory system, central nervous system Cancer Site [in animals: thyroid gland tumors] |
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| See also: INTRODUCTION |