MERCK 115444.0025 Coomassie® Brilliant Blue G 250 (C.I. 42655) For Electrophoresis CAS No.6104-58-1

Pricing & Availability

An invalid quantity was specified. The product quantity has been adjusted.

Catalogue Number	Availability	Packaging	Qty/Pack	Price	Quantity
1154440025	Retrieving availability... — Limited Availability In Stock Discontinued Limited Quantities AvailableAvailability to be confirmedLogin to See Inventory In Stock Limited Availability In Stock Remaining : Will advise Remaining : Will adviseWill adviseContact Customer ServiceContact Customer ServiceContact Customer ServiceContact Customer Service	Glass bottle	25 g	Retrieving price...Price could not be retrievedMinimum Quantity is a multiple of Maximum Quantity is Upon Order Completion More InformationYou Saved () —Request Pricing Login to See Your Pricing	Check Availability—	Add To FavoritesAdd To Favorites Added To My Favorites

Add To CartThe quantity field is empty. Please enter a quantity of 1 or more to add items to your cart.

Description
Catalogue Number	115444

Product Information
CAS number	6104-58-1
EC number	228-058-4
Hill Formula	C₄₇H₄₈N₃NaO₇S₂
Molar Mass	854.04 g/mol
HS Code	3212 90 90
Structure formula Image
Quality Level	MQ100

Applications
Application	Coomassie® Brilliant blue G 250 (C.I. 42655) for electrophoresis. CAS 6104-58-1, pH 6.4 (10 g/l, H₂O, 20 °C).

Physicochemical Information
pH value	6.4 (10 g/l, H₂O, 20 °C)
Bulk density	520 kg/m3
Solubility	40 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 5000 mg/kg

Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
WGK	WGK 3 highly hazardous to water
Disposal	3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information
Storage	NoTempLimit

Specifications
Identity (UV/VIS-Spectrum)	passes test
Absorption maximum λmax. (buffer pH 7.0)	577 - 584 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; buffer pH 7.0; calc. on dried substance)	440 - 570
TLC-Test	passes test
Loss on drying (110 °C)	≤ 8 %
Suitability for electrophoresis	passes test