# NIOSH Pocket Guide to Chemical Hazards
Formamide | CAS 75-12-7
HCONH2 | RTECS LQ0525000
Synonyms & Trade Names Carbamaldehyde, Methanamide | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 10 ppm (15 mg/m3) [skin]
OSHA PEL†: none
IDLH N.D. | 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
Personal Protection & Sanitation 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
Respirator Recommendations To be added later
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