NIOSH Pocket Guide to Chemical Hazards


CAS 75-12-7


RTECS LQ0525000
Synonyms & Trade Names
Carbamaldehyde, Methanamide
DOT ID & Guide


NIOSH REL: TWA 10 ppm (15 mg/m3) [skin]
OSHA PEL†: none
IDLH N.D. See: IDLH INDEX Conversion 1 ppm = 1.85 mg/m3
Physical Description
Colorless, oily liquid. [Note: A solid below 37°F.]
MW: 45.1
BP: 411°F (Decomposes)
FRZ: 37°F
Sol: Miscible
VP(86°F): 0.1 mmHg
IP: 10.20 eV

Sp.Gr: 1.13
Fl.P(oc): 310°F
UEL: ?
LEL: ?

Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Incompatibilities & Reactivities
Oxidizers, iodine, pyridine, sulfur trioxide, copper, brass, lead [Note: Hygroscopic (i.e., absorbs moisture from the air).]
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
Skin: No recommendation
Eyes: Prevent eye contact
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water wash
Breathing: Respiratory support
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations Not available.
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, mucous membrane; drowsiness, lassitude (weakness, exhaustion); nausea; acidosis; skin eruptions; in animals: reproductive effects
Target Organs Eyes, skin, respiratory system, central nervous system, reproductive system
See also: INTRODUCTION   See ICSC CARD: 0891