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Sigma-Aldrich

AmberChrom™ 1X2 chloride form

50-100 mesh

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CAS Number:
69011-19-4
MDL number:
MFCD00146763
UNSPSC Code:
47101511
NACRES:
NA.56

description

strongly basic

Quality Level

200

form

beads

parameter

66 °C OH- form max. temp.
99 °C Cl- form max. temp.

moisture

65-75%

loss

~70% loss on drying, 110 °C

matrix

styrene-divinylbenzene (gel)

matrix active group

trimethylbenzylammonium functional group

particle size

50-100 mesh

operating pH

0-14

capacity

0.7 meq/mL by wetted bed volume

InChI

1S/C10H12.C10H10.C8H8.C3H9N/c2*1-3-9-7-5-6-8-10(9)4-2;1-2-8-6-4-3-5-7-8;1-4(2)3/h3,5-8H,1,4H2,2H3;3-8H,1-2H2;2-7H,1H2;1-3H3

InChI key

HADXLRSCRPYPJJ-UHFFFAOYSA-N

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General description

AmberChrom 1X2 (formerly Dowex 1X2) is an anion exchange resin.

Application

AmberChrom 1X2 chloride form has been used in the purification step for the synthesis of methyl-esterified sialic acid analogs bearing a diazirine photocrosslinker on the N-acyl (C-5) side chain 5-(SiaDAz).
AmberChrom 1X2 chloride form is a strongly basic (type I) anion exchange resin for food & drug processing. it has been used to characterize a dual emission sensing luminescence material for water-dissolved oxygen sensing. AmberChrom ion exchange resin has also been used to demonstrate decontamination of (99g) Tc from spent 99Mo waste solution and recovery of (99g)Tc for research use.
Strongly basic (type I) anion exchange resin for food & drug processing; meets requirements of FDA Food Additive Regulation 21 CFR 173.25

Legal Information

Amberchrom is a trademark of DuPont de Nemours, Inc.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

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  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. How can a Dowex type 1 resin in the chloride form be converted to the carbonate form?

    As one might expect, the procedure requires the use of sodium carbonate (Na2CO3).Citation: Journal of Experimental Medicine, 120, 1007-1018 (1965).From page 1011 of that paper:"A 2 mL column of washed Dowex-1X8 200 to 400 mesh, in the chloride form, was converted to the carbonate form by washing with 1 M Na2CO3 until no chloride could be detected in the eluate. It was then washed with distilled water until the pH of the eluate reached neutrality". The simplest test for chloride is to use a dilute silver nitrate solution. If mixing a few drops of the eluate with a few drops of a silver nitrate solution results in a silver chloride precipitate forming, that would an indication that the eluate contains chloride. You could also use a chloride-specific electrode, if you have access to one.

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    Ask a Scientist here.

Sankha Chattopadhyay et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 66(12), 1814-1817 (2008-08-16)
A simple separation technique of (99m)Tc from Na(2)[(99)Mo]MoO(4) in sodium hydroxide solution obtained from the (98)Mo(n,gamma)(99)Mo reaction is described. Low to medium specific activity (99)Mo-molybdate solution of 7.4-18.5GBq (200-500mCi) in sodium hydroxide was passed through a tiny Dowex-1 column (25mg)
Photocrosslinking of glycoconjugates using metabolically incorporated diazirine-containing sugars
Bond MR, et al.
Nature Protocols, 4(7), 1044-1044 (2009)
Hannes Hochreiner et al.
Talanta, 66(3), 611-618 (2008-10-31)
The characterization of a dual emission sensing luminescence material for water-dissolved oxygen sensing is presented in this paper. The oxygen-sensitive material is based on a dual-emitting luminescent molecule immobilized onto an adequate solid support. The metal chelate formed between the

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