Fisherbrand Pipet Basin 50 ml Polystyrene Sterile Case of 80 Individually Wrapped Basins

Fisherbrand™ Disposable Polystyrene Pipette Basins, Sterile 50 mL (13-681-501) – Case of 80

The Fisherbrand™ 13-681-501 is a medical-grade, sterile reagent reservoir engineered specifically for multi-channel liquid handling workflows within molecular biology, clinical diagnostics, and tissue culture laboratories. Precision-molded from high-purity, white virgin polystyrene (PS), this 50 mL basin features an optimized V-shaped bottom geometry and steeply angled side walls. This design converges fluids into a narrow, centralized trough, drastically reducing dead volume and maximizing the retrieval of expensive assays, master mixes, or cell culture media. Supplied as a commercial facility case of 80 individually wrapped basins, this model delivers absolute cross-contamination protection and handles all standard 4-, 8-, and 12-channel pipettor configurations without tip crowding.

Technical Performance & Design

• V-Shaped Bottom Trough: The interior basin floor is engineered with a sharp V-profile that channels the remaining fluid pool directly to the center axis. This allows multi-channel pipette tips to submerge uniformly, optimizing volume recovery and minimizing dead-volume waste.
• Individually Wrapped Aseptic Security: Every basin is sterilized via validated gamma-irradiation loops and individually sealed in an easy-to-open tear pouch. This strict isolation prevents touch or dust contamination prior to transferring the unit under a Class II biological safety cabinet.
• Anti-Spill Easy-Pour Corners: The perimeter rim features molded, outward-flared drip guards at the corners. These integrated spouts allow operators to cleanly decant residual reagents back into source stock bottles or waste collection channels without liquid running down the outer walls.
• Universal Multi-Channel Clearance: The 5.75 x 2.75 inch structural frame provides generous opening clearance. This prevents the outer nozzles or tips of 8- and 12-channel electronic or manual pipettors from scraping against the plastic sidewalls, eliminating electrostatic droplet hang-up.

Product Specifications

• Catalog Number / MPN: 13-681-501 (Alternative Ref: 13681501)
• Primary Manufacturer: Fisher Scientific (Fisherbrand™ Portfolio)
• Nominal Fluid Capacity: 50 mL working volume
• Material Chemistry: Heavy-Gauge Virgin Polystyrene (PS) | Certified Latex-Free
• Color Morphology: High-Contrast Opaque White
• Physical Dimensions: 5.75 L x 2.75 W x 1 in. H ($\approx 14.6 \times 7.0 \times 2.54\text{ cm}$)
• Sterility Baseline: Certified Sterile via Gamma Irradiation (Individually bagged)
• Biochemical Purity: Certified non-pyrogenic and safe for delicate enzyme mixes, PCR reagents, or cell suspensions
• Packaging Configuration: Case of 80 Basins (Individually wrapped units organized securely within a space-saving master warehouse carton)

Key Benefits & Applications

• Microtiter Plate Inoculation Loops: The premier reagent vessel choice for rapidly feeding or loading 96-well cell culture microplates, enzyme-linked immunosorbent assays (ELISA), or deep-well storage blocks.
• High-Purity Molecular Master Mix Staging: Provides an inert, contaminant-free staging well for aliquoting expensive master mixes, primers, or buffer reagents across high-throughput sample batches.
• Streamlined Cleanroom Operations: Completely eliminates the labor-intensive washing, chemical rinsing, and autoclave cycles required by reusable glass or Teflon reservoirs, accelerating daily bench turnover.
• **Stable Benchtop Footprint:** Features an engineered base flange that sits low and flat against laboratory bench pads, preventing accidental rocking, flipping, or splashing when inserting dense, spring-loaded multi-channel pipettor arrays.

Fisherbrand™ is a registered commercial trademark of Fisher Scientific. Catalog number 13-681-501 specifies the sterile, individually wrapped 50 mL polystyrene configuration. For non-sterile high-volume prep routines where bulk packing is acceptable, or for alternative volumes like 25 mL or 100 mL, alternative PVC or divided-well configurations should be cross-referenced within the logistics dashboard.