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Brilliant blue R 250 (C.I. 42660), 100 g

for electrophoresis
Pack Qty.
Coomassie® blue R 250
Empirical formula C45H44N3NaO7S2
Molar mass (M) 825,99 g/mol
Density (D) 1 g/cm³
Melting point (mp) 180 °C
CAS No. 6104-59-2
EG-Nr. 228-060-5

For preparing protein gel staining solutions
Conditionally suitable for staining of membranes after protein transfer.

€117.20/Pack Qty. 

excl. VAT. | 100 g per Pack Qty.

Art. No. 3862.2

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Product details

Brilliant blue R 250 (C.I. 42660) for electrophoresis

Technical Information
Sensitivity 50 
Use Dye for performing Coomassie® staining. ODmax = 550 
Brilliant blue R 250 (C.I. 42660)
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Art. No. Pack Qty. Pack. Price Quantity
3862.1 10 g glass


3862.2 100 g glass


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Downloads / MSDS

General information

Suitability of Protein Stainings

Product Sensitivity Rapid Gel





ROTI®Black P 1 ng/mm2 - +++ - +++ -
ROTI®Blue 10 ng/mm2 - +++ +++ - +++
ROTI®Blue quick 10 ng/mm2 +++ +++ ++ - ++
ROTI®Blau R 50 ng/mm2 +++ + - - -
+++: recommended +: suitable -: not recommended

Summary Staining of Protein Gels

Product Sensitivity Description
ROTI®Black P 1 ng/mm2 Silver staining kit. Highly sensitive. Simple, fast and reproducible.
ROTI®Blue 10 ng/mm2 Coomassie®-solution for colloidal staining of proteins. Destaining not required. Non-fixing staining for protein gel elution possible. Proteomics-compatible.
ROTI®Blue quick 10 ng/mm2 Solution for rapid, highly specific staining of proteins. Destaining not required. Non-fixing staining, compatible with blotting and Proteomics.
ROTIPHORESE®Blau R 50 ng/mm2 Coomassie® staining solution concentrate for rapid staining.
Coomassie® Blue G250 (C.I. 42655) 60 ng/mm2 Dye for performing Coomassie® staining. ODmax = 595
Coomassie® Blue R250 (C.I. 42660) 50 ng/mm2 Dye for performing Coomassie staining. ODmax = 550

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

Appearanceblue to purple powder
Absorption max. (in EtOH)580-600 nm
Loss on drying (110 °C)≤10 %