TMB ONE (& prestained) (3, 3′, 5, 5′-tetramethylbenzidine)

ELISA HRP Substrate

ECO-TEK®

Cat. No. 4380 / 4430

• “The Gold Standard” used across the industry

• Incredibly stable and robust

• Aqueous based – no organic solvents (REACH Annex XVII compliant)

• Low lot-to-lot variation

• Suitable for use in electrochemical assays

• Gives higher signal and has a higher sensitivity in ELISA than OPD (ortho-phenylenediamine dichloride)

Specifications:

• Available sizes: 100 mL, 500 mL, 1 L , bulk

• Format: Ready-to-use (RTU)

• Storage: 2-8⁰C in the dark

• Stability: 4 years

• Development time: 5-30 minutes

• Stop solution: 0.2 M H₂SO₄ 

ECO-TEK® products offer the highest level of sustainability for manufacturing immunoassays with the following characteristics:

• Free of BSA – Easing cross border paperwork & improving assay reproducibility
• Free of NMP or other harmful organic solvents – Reducing regulatory concerns
• Free of toxic preservatives and hazardous stop solutions – Improving work environments