Malonaldehyde |
Synonyms & Trade Names Malonic aldehyde; Malonodialdehyde; Propanedial; 1,3-Propanedial [Note: Pure Malonaldehyde is unstable and may be used as its sodium salt.] |
CAS No. 542-78-9 |
RTECS No. TX6475000 |
DOT ID & Guide |
FormulaCHOCH2CHO |
Conversion |
IDLH Ca [N.D.]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca See Appendix A See Appendix C (Aldehydes)
OSHA PEL: none |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Solid (needles). |
MW: 72.1 |
BP: ? |
MLT: 161°F |
Sol: ? |
VP: ? |
IP: ? |
Sp.Gr: ? |
Fl.P: ? |
UEL: ? |
LEL: ? |
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Incompatibilities & Reactivities Proteins [Note: Pure compound is stable under neutral conditions, but not under acidic conditions.] |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, respiratory system; central nervous system depression; [potential occupational carcinogen] |
Target Organs Eyes, skin, respiratory system, central nervous system |
Cancer Site[in animals: thyroid gland 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
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush 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
Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 1632
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