Research-Grade · Sterile-Filtered · pH 7.4
PBS Buffer Solution
Precision-formulated 1x Phosphate Buffer Solution for demanding research applications.
PBS 3 mL Vial
Starter Pack
$10
Ideal for small-scale experiments and single-use applications. Sterile-filtered and ready to use.
Volume3 mL
Concentration1x
pH7.4 ± 0.05
FormulationNaCl, Na₂HPO₄, KH₂PO₄, KCl
StorageRoom temperature
ApplicationCell culture, IHC, protein dilution
PBS 30 mL Vial
Lab Supply
$30
For sustained lab workflows and multi-day experiments. Same precision formula, larger volume.
Volume30 mL
Concentration1x
pH7.4 ± 0.05
FormulationNaCl, Na₂HPO₄, KH₂PO₄, KCl
StorageRoom temperature
ApplicationCell culture, IHC, protein dilution, general buffer
Volume Discount
Buy Any 3, Save 20%
Mix and match 3 mL and 30 mL vials. Discount applied automatically at checkout.
3 × 3 mL = $24 (save $6)
3 × 30 mL = $72 (save $18)
Mix & match any combination
Full Technical Specifications
Buffer SystemPhosphate
Concentration1x
pH7.4 ± 0.05
Osmolality~280–300 mOsm/kg
NaCl137 mM
KCl2.7 mM
Na₂HPO₄10 mM
KH₂PO₄1.8 mM
Sterility0.22 µm sterile-filtered
Endotoxin<0.1 EU/mL
StorageRoom temperature, avoid freezing
Shelf Life24 months from manufacture
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For research and laboratory use only. Not for human or animal therapeutic use.