O,O-Diethylthiophosphate, potassium salt Back Catalog number: 10405.4-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 30043 EPA Method 531.1 - Performance Check Solution Price on request 50772 pH 6.86 Standard @ 25°C Price on request 97344 2,4-Dimethylaniline Price on request