Over the years, many of our valued customers have requested purchasing our aqueous Glutaraldehyde in serum vials. This packaging allows the user to puncture the special non-reactive seal with a hypodermic syringe and draw out the exact quantity of aqueous Glutaraldehyde needed without opening the container. This packaging assures freshness and purity of the aqueous Glutaraldehyde at all times. MSDS_16214 MSDS_16314 * All other concentrations are available in serum vials upon request. For any special concentration, or packaging requirements other than those already listed, please call us today. We will manufacture in accordance to your specifications.