MRQ30 Clear CD Vial™, Blue cap, Pre-slit TEF/Silicone septa volume 1.2 mL, clear glass vial, thread for 9 mm, O.D. × H × I.D. 12 mm × 32 mm × 6 mm, dead volume <2 mL, pkg of 100 ea; Synonym: Certified CD™ Vial (Center Draining) Kit, 9 mm thread with cap/septa, unassembled; find Supelco-23187-U MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma