Details: You are bidding on 500 grams (pic is of 500 gram bottle) of Ultra Pure Sodium Iodide (NaI) . I do not have the original C of A but I took the material from a sealed drum and had it tested. It met ACS specs and is 99.7% pure. The material is a course, granular crystal. YOUR SAMPLE will come from a small drum like the one shown, and will be placed in a new plastic BOTTLE for first class shipping. Current catalog price is over $200!!!. . Good luck!! Buyer must be 21 years of age. Buyer assumes all liability for the use of this item. Buyer agrees to not hold the seller or Amazon liable for the use of this item. Buyer agrees to use this item in accordance with all local, state, and federal laws. This is for laboratory and scientific use only! NOT for food or drug use. May be harmful if swallowed. By purchasing this item the buyer agrees that they understand the uses and potential hazards with this material. Shipping will comply with all USPS regulations. Not regulated by the DOT. Picture may not reflect new GHS labeling.