Skip to Content
Merck

C7901

Chelex® 100 sodium form

50-100 mesh (dry)

Synonym(s):

Iminodiacetic Acid Resin

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

CAS Number:
11139-85-8
UNSPSC Code:
23151817
NACRES:
NA.56
MDL number:
MFCD00163980

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

form

beads

Quality Level

200

matrix

1% cross-linked polystyrene, cross-linked polystyrene beads

matrix active group

iminodiacetic acid (sodium form), paired iminodiacetate groups

matrix attachment

through methyl group to aromatic rings

particle size

50-100 mesh (dry)

pH

4-14

capacity

≥0.3 meq/mL binding capacity, 0.6 meq/g binding capacity (heavy metal ions)

Looking for similar products? Visit Product Comparison Guide

Application

Chelex is used in affinity chromatography, protein chromatography, chelating resins, affinity resins and core bioreagents.
Chelex® 100 sodium form has been used:
  • for the extraction of DNA from bee samples
  • to remove from cigarette smoke extract (CSE) and study the effects of hepcidin expression in the murine lungs
  • to extract DNA from bacterial cultures

Biochem/physiol Actions

Chelex® 100 is a styrene-divinylbenzene copolymer containing paired iminodiacetate ions, which act as chelating groups in binding polyvalent metal ions. It is considered a weakly acidic resin. Chelex acts as a chelating resin that is used in DNA extraction from forensic samples, such as hair, bloodstain cards, and buccal swabs.

Other Notes

Product is autoclavable in sodium form. It has a maximum operating temperature of 75°C and is not soluble in water.

Legal Information

Chelex is a registered trademark of Bio-Rad Laboratories, Inc.

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

C7901-25G: + C7901-BULK: + C7901-100G: + C7901-VAR: + C7901-50G: + C7901-500G:

jan

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Simultaneous detection of Escherichia coli O175: H7, Salmonella spp., and Listeria monocytogenes by multiplex PCR
Germini A, et al.
Food Control, 20(8), 733-738 (2009)
Methods for extracting genomic DNA from whole blood samples: current perspectives
Chacon Cortes D, et al.
Journal of Biosciences, 2014(2), 1-9 (2014)
Elizabeth Perez et al.
Journal of immunology (Baltimore, Md. : 1950), 205(9), 2489-2498 (2020-09-23)
Chronic obstructive pulmonary disease (COPD) is a debilitating lung disease associated with cigarette smoking. Alterations in local lung and systemic iron regulation are associated with disease progression and pathogenesis. Hepcidin, an iron regulatory peptide hormone, is altered in subjects with
João Pedro Amorim et al.
Cell reports, 32(1), 107862-107862 (2020-07-09)
The notochord is an evolutionary novelty in vertebrates that functions as an important signaling center during development. Notochord ablation in chicken has demonstrated that it is crucial for pancreas development; however, the molecular mechanism has not been fully described. Here
Rizwan Mahmud et al.
Journal of molecular microbiology and biotechnology, 29(1-6), 43-56 (2019-12-19)
The human gut is inhabited by several hundred different bacterial species. These bacteria are closely associated with our health and well-being. The composition of these diverse commensals is influenced by our dietary intakes. Non-caloric artificial sweeteners (NAS) have gained global
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service