T8665

Sigma

 

3,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System

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Description

ApplicationTMB is a substrate for horseradish peroxidase. Forms a soluble blue end product that may be read at 370 nm or 655 nm. The TMB reaction may be stopped with 0.5 M H2SO4, resulting in a yellow color, and read at 450 nm. Recommended for ELISA (microwell) procedures, not recommended for membrane applications.
CautionThis substrate is light-sensitive and should be protected from direct sunlight or UV sources.
Physical formReady-to-use.

Properties

EQP levelPremium
storage temp.2-8°C

Safety

Hazard CodesT
Risk Statements10-23/24/25-39/23/24/25
Safety Statements7-16-36/37-45
RIDADRUN 1993 3/PG 3
Flash Point(F)130 °F
Flash Point(C)54 °C