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Safety Information

95577

Sigma-Aldrich

Chelex® 100 sodium form

100-200 mesh particle size

Synonym(s):

crosslinked polystyrene-iminodiacetate ion exchange resin

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About This Item

CAS Number:
11139-85-8
MDL number:
MFCD00163980
UNSPSC Code:
23151817
NACRES:
NA.22

product line

Chelex®

Quality Level

200

form

crystals

reaction suitability

reaction type: solution phase peptide synthesis

loss

65-85% loss on drying, 110°C

matrix

polystyrene/DVB

matrix active group

paired iminodiacetate groups

particle size

100-200 mesh

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General description

Chelex®100 sodium form resin is a styrene divinylbenzene copolymer with a pair of iminodiacetate ions that serve as chelating groups to bind polyvalent metal ions.

Application

Chelex®100 can be used:
  • As an ion exchange resin in wastewater treatment it has a high affinity for metal ions and selectivity for transition metals such as Zn, Co, Ni, and Cu
  • In the extraction and purification of DNA

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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.

JAN Code

95577-100G-F:
95577-VAR-F:
95577-BULK-F:

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Certificates of Analysis (COA)

Lot/Batch Number
0000281497
0000229671
0000274907
0000274908
0000281498

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Separation of uranium from natural waters on chelex-100 resin.
Pakalns P.
Analytica Chimica Acta, 120, 289-296 (1980)
Ion-exchange of nickel by iminodiacetic acid chelating resin Chelex 100.
Leinonen H and Lehto J.
Reactive functional Polymers, 43(1), 1-6 (2000)
Layman's guide to common complaints. 11. Food poisoning.
I Librach
Nursing mirror, 149(13), 24-25 (1979-09-27)
Removal of trace metals from marine culture media.
Davey EW, et al.
Limnology and Oceanography, 15(3), 486-488 (1970)
Al-Anoud Jaber et al.
Annals of clinical microbiology and antimicrobials, 8, 2-2 (2009-01-17)
Ethambutol (EMB) is a first-line drug for the treatment of tuberculosis (TB). Resistance to EMB in Mycobacterium tuberculosis isolates is mediated by mutations in several genes involved in arabinan synthesis notably three emb (arabinosyl transferase) and iniA (isoniazid-inducible) genes. Most
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