# NIOSH Pocket Guide to Chemical Hazards
Propoxur | CAS 114-26-1
CH3NHCOOC6H4OCH(CH3)2 | RTECS FC3150000
Synonyms & Trade Names Aprocarb®, o-Isopropoxyphenyl-N-methylcarbamate, N-Methyl-2-isopropoxyphenyl-carbamate | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 0.5 mg/m3
OSHA PEL†: none
IDLH N.D. | Conversion
Physical Description White to tan, crystalline powder with a faint, characteristic odor. [insecticide]
MW: 209.3 | BP: Decomposes | MLT: 187-197°F | Sol: 0.2%
VP: 0.000007 mmHg | IP: ? |  | Sp.Gr: ?
Fl.P: >300°F | UEL: ? | LEL: ? |
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Incompatibilities & Reactivities Strong oxidizers, alkalis [Note: Emits highly toxic methyl isocyanate fumes when heated to decomposition.]
Measurement Methods NIOSH 5601; OSHA PV2007
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily 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 Miosis, blurred vision; sweating, salivation; abdominal cramps, nausea, diarrhea, vomiting; headache, lassitude (weakness, exhaustion), muscle twitching
Target Organs central nervous system, liver, kidneys, gastrointestinal tract, blood cholinesterase
See also: INTRODUCTION