Potassium Iodide - Iodine Reagent (Certified) CAS Number 7732-18-5 7681-11-0 7553-56-2 Chemical Container Material Amber Glass Chemical Container Type Bottle Chemical Grade ACS Chemical Container Size 1L Chemical Family Type Standards and Solutions Calibration Certificate NIST SRM 136 Shelf Life 12 mo. Standards TAPPI T419 om-91