Blue Dextran, 2,000,000 kDa, Certified® Void volume marker 1g

CERTIFICATE OF ANALYSIS

• Cat 87915386-CVVM   1 GM   Lot SA-D5751-36H0430
• Certified® Void volume marker
• kDa 2,000,000
• for gel filtration columns
• CAS 87915-38-6

• Appearance dark blue powder
• Assay (kDa, average mol. wt.) 2,000,000
• Degree of substitution 0.11 millimole reactive blue 2 per gram dextran  
• Identification (IR) conforms to structure
• Loss on drying 3.27% 
• Molecular formula C₆H₁₀O₅  
• Molecular weight 162.14 (as monomer)
• Solubility dissolves freely in water (200mg plus 4ml)
• UV/VIS spectra (E1% = 9.4 at Lambda max) 619nm
• Retest 08/2025