TEMED - FAQs

We recommend storing TEMED locked up in a segregated and approved area. Store in the original container protected from direct sunlight in a dry, cool and well-ventilated area and separate from oxidizing materials.

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The Certificate of Analysis lists actual test results for each lot and the minimum specification requirements:
-Purity > 99.0%
-Refractive index (nD20) between 1.417-1.419
-Boiling Range: 119-121 degrees C
-The solution must be a clear liquid, free of particulate matter

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>Chemical name: N,N,N',N'- tetramethylethane-1,2-diamine
-Formula: C6H16N2
-CAS number: 110-18-9
-Molecular weight: 116.21-Purity: ≥ 99%
-Refractive index: 1.417 to 1.419
-Boiling range: 119 to 121 degrees C
-Clear liquid at room temperature, sold as a 25 mL volume in an amber bottle


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Thermo Scientific Tetramethylethylenediamine (TEMED) is an essential catalyst for polyacrylamide gel polymerization. TEMED is used with ammonium persulfate (APS) to catalyze acrylamide polymerization when preparing gels for electrophoresis.

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Yes, details below:

- Ammonium Persulfate: Cat. No. 17874
- TEMED: Cat. No. 15524010 and Cat. No. 17919

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