EDTA, 0.05M (0.1N), available in 500mL (No. 154174-1), 1L (No. 154174-2) and 4L (No. 154174-3) poly bottles, and 10L (No. 154174-4) and 20L (No. 154174-5) Cubitainers.Traceable to NIST.Shipping: No restrictions apply.