CAS RN: 121-75-5

Odor Threshold

1.00 ppm (detection in water, purity not stated)
The odor threshold of malathion is very close (13.5 mg/cu m) to the OSHA PEL (15 mg/cu m) and may not provide adequate warning of hazardous concentrations.
Odor thresholds: 13.5 mg/cu m (low); 13.5 mg/cu m (high)
Find more information on this substance at: PubChem, PubMed