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207738-08-7 - 3,3',5,5'-Tetramethylbenzidine dihydrochloride hydrate, 98% - TMB dihydrochloride hydrate - J60332 - Alfa Aesar

J60332 3,3',5,5'-Tetramethylbenzidine dihydrochloride hydrate, 98%

CAS Number
TMB dihydrochloride hydrate

Size Price ($) Quantity Availability
1g 75.00
2.5g 140.00
5g 222.00
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3,3',5,5'-Tetramethylbenzidine dihydrochloride hydrate, 98%


Chemical Properties

Formula Weight
Moisture & Light Sensitive
Soluble in DMSO (~1.7 mg/ml), and 1:300 DMSO:PBS (pH 7.2) (0.03 mg/ml).


3,3',5,5'-Tetramethylbenzidine dihydrochloride hydrate is a chromophore substrate in ELISA assays. It is a noncarcinogenic substitute for benzidine.


Moisture and light sensitive. Store away from oxidizing agents, heat, light, acids, water/ moisture.

Literature References

Sarah Gerlo; Peggy Verdood; Birgit Gellersen; Elisabeth L. Hooghe-Peters and Ron Kooijman. Mechanism of Prostaglandin (PG)E2-Induced Prolactin Expression in Human T Cells: Cooperation of Two PGE2 Receptor Subtypes, E-Prostanoid (EP) 3 and EP4, Via Calcium- and Cyclic Adenosine 5?-Monophosphate-Mediated Signaling Pathways. The Journal of Immunology.2004, 173 (10), 5952-5962.

Evemie Schutyser; Sofie Struyf; Patricia Menten; Jean-Pierre Lenaerts; René Conings; Willy Put; Anja Wuyts; Paul Proost and Jo Van Damme. Regulated Production and Molecular Diversity of Human Liver and Activation-Regulated Chemokine/Macrophage Inflammatory Protein-3α from Normal and Transformed Cells. The Journal of Immunology. 1973, 165 (8), 4470-4477.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H315-H319-H341

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. Suspected of causing genetic defects.

Precautionary Statements: P260u-P201-P280a-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P405-P501a

Obtain special instructions before use. Wear protective gloves and eye/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

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