1.12553
Coomassie Brilliant blue R 250 (C.I. 42660)
for electrophoresis Trademark of Imperial Chemical Industries PLC
Synonym(s):
Coomassie Brilliant blue R 250 (C.I. 42660), protein stain
About This Item
Quality Level
potency
>5000 mg/kg LD50, oral (Rat)
technique(s)
protein staining: suitable
pH
6.2 (25 °C, 10 g/L in H2O)
mp
174-180 °C
solubility
20 g/L
bulk density
250 kg/m3
εmax
≥300 at 554-563 nm at 0.025 g/L (pH 7.0)
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
2-30°C
InChI
1S/C45H45N3O7S2.Na/c1-4-47(31-33-9-7-11-43(29-33)56(49,50)51)40-23-15-36(16-24-40)45(35-13-19-38(20-14-35)46-39-21-27-42(28-22-39)55-6-3)37-17-25-41(26-18-37)48(5-2)32-34-10-8-12-44(30-34)57(52,53)54;/h7-30,46H,4-6,31-32H2,1-3H3,(H-,49,50,51,52,53,54);/q;+1/p-1
InChI key
HAEGGLCXLFWTBE-UHFFFAOYSA-M
Analysis Note
Absorption maximum λmax. (buffer pH 7.0): 554 - 563 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; buffer pH 7.0; calc. on dried substance): ≥ 300
TLC-Test: passes test
Loss on drying (110 °C): ≤ 5 %
Suitability for electrophoresis: passes test
Legal Information
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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