ALK Laboratories

ALK Laboratories is a specialist in allergy diagnostics and immunotherapy supplies, and the products in this collection reflect the exacting standards that allergists, compounding pharmacies, and immunotherapy clinics depend on. When you're preparing allergen extract dilutions or storing prescription mixes, the vial you use matters as much as what goes inside it — sterility, glass composition, and a reliable seal all protect the integrity of what you dispense.

A core item here is the ALK Laboratories Sterile Empty Vial (SEV1020S), a 10 mL clear borosilicate glass vial (20 x 22 mm) supplied sterile with a stopper and metallic flip cap. Borosilicate is the standard choice for allergen and pharmaceutical work because it resists chemical reaction and thermal stress, so it won't leach into or degrade sensitive extracts. The flat-bottom design sits stable during filling, and the plain, unlabeled surface leaves room for your own dispensing labels and dilution color coding.

Clinicians preparing serial dilutions typically ask two things: is the vial genuinely sterile out of the package, and will the closure hold under repeated needle punctures? These sterile empty vials answer both — they arrive ready to fill without additional autoclaving, and the stoppered cap is intended to maintain a secure seal through the multi-dose access common in maintenance immunotherapy vial sets.

ALK's broader focus on ENT and allergy care also extends to patient-facing products; if you're stocking for an otolaryngology practice, see the related ALK Laboratories Otiptrio line. For comparable lab and diagnostic supplies from other manufacturers, browse Acon Laboratories and Bio-Rad Laboratories.