# NIOSH Pocket Guide to Chemical Hazards
Iodoform | CAS 75-47-8
CHI3 | RTECS PB7000000
Synonyms & Trade Names Triiodomethane | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 0.6 ppm (10 mg/m3)
OSHA PEL†: none
IDLH N.D. | Conversion 1 ppm = 16.10 mg/m3
Physical Description Yellow to greenish-yellow powder or crystalline solid with a pungent, disagreeable odor. [antiseptic for external use]
MW: 393.7 | BP: 410°F (Decomposes) | MLT: 246°F | Sol: 0.01%
VP: ? | IP: ? |  | Sp.Gr: 4.01
Fl.P: NA | UEL: NA | LEL: NA |
Noncombustible Solid
Incompatibilities & Reactivities Strong oxidizers, lithium, metallic salts (e.g., mercuric oxide, silver nitrate), strong bases, calomel, tannin
Measurement Methods None available
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin; lassitude (weakness, exhaustion), dizziness, nausea, incoordination, central nervous system depression; dyspnea (breathing difficulty); liver, kidney, heart damage; visual disturbance
Target Organs Eyes, skin, respiratory system, liver, kidneys, heart
See also: INTRODUCTION