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3,3',5,5'-Tetramethylbenzidine (TMB)

crystalline powder

For further processing only.

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Order information
3,3',5,5'-Tetramethylbenzidine (TMB) material number and pack size:
Material Number Pack Size
10203700103 custom fill
Will be supplied as "3,3'5,5'-Tetramethylbenzidine". Unit of measure is "kg".
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Application
Use TMB as substrate solution for horse radish peroxidase (450 nm).
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Specification
Formula: C16H20N2
Molecular weight: 240.35 D
Appearance: Yellowish to light brown crystalline powder
Melting range: +168 to +171°C
TMB (GC): ≥99.5 area%
TMB (titrimetric, based on dry weight): ≥97.5%
Loss on drying (for 2 hours at +105°C): ≤1%
Stability: At +2 to +8°C within specification range for 24 months. Protect from light.