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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
Formula
CHOCH2CHO
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:
?
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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