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162574

Dimethylglyoxime

ACS reagent grade, ≥99%, liquid

Synonyma:

DMG, 2,3-Butanedione dioxime, Diacetyldioxime

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Vám/SKUDostupnostCena
100 g
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1 870,00 Kč
500 g
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5 770,00 Kč

O této položce

Lineární vzorec:
CH3C(=NOH)C(=NOH)CH3
Číslo CAS:
Molekulová hmotnost:
116.12
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
202-420-1
MDL number:
Beilstein/REAXYS Number:
506731
Assay:
≥99%
Form:
powder

1 870,00 Kč


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Název produktu

Dimethylglyoxime, ACS reagent, ≥99%, powder

grade

ACS reagent

Quality Segment

assay

≥99%

form

powder

impurities

≤0.05% insol. Alcohol

ign. residue

≤0.05%

mp

240-241 °C (lit.)

suitability

passes test for determination of nickel

functional group

amine, oxime

SMILES string

CC(=N/O)\C(C)=N\O

InChI

1S/C4H8N2O2/c1-3(5-7)4(2)6-8/h7-8H,1-2H3/b5-3+,6-4+

InChI key

JGUQDUKBUKFFRO-GGWOSOGESA-N

General description

Dimethylglyoxime(DMG) is a complexing ligand. Dimethylglyoxime forms a number of mixed ligand complexes with N-acetylglycine and various metals such as VO(IV), Ni(II), Zn(II), Pd(II), Cd(II) and Pb(II).

Application

Dimethylglyoxime (DMG) may be used as complexing agent for the quantification of metallic imprurities [cobalt(II) and nickel(II)] in brine (5.5mol/l aqueous solution of sodium chloride) by adsorptive stripping voltammetry. It may be used in the preparation of nickel dimethylglyoxime, a dye complex used for the fabrication of dye-sensitized solar cells.
Dimethylglyoxime may be used as a chelating agent for determining nickel ion in complexes by gravimetric, titrimetric or colorimetric analysis.

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Tato položka
40390379387196274
description

ACS reagent, ≥99%, powder

description

puriss. p.a., ACS reagent, for the detection of Ni, ≥99.0% (TLC)

description

97%

description

98%

assay

≥99%

assay

≥99.0% (TLC)

assay

97%

assay

98%

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100

form

powder

form

solid

form

powder

form

-

mp

240-241 °C (lit.)

mp

240-241 °C (lit.)

mp

≥300 °C (lit.)

mp

-

suitability

passes test for determination of nickel

suitability

-

suitability

-

suitability

-

ign. residue

≤0.05%

ign. residue

≤0.05% (as SO4)

ign. residue

-

ign. residue

-


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pictograms

Flame

signalword

Warning

hcodes

Hazard Classifications

Flam. Sol. 2

Skladovací třída

4.1B - Flammable solid hazardous materials

wgk

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges



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Lot/Batch Number

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Questions

1–3 of 3 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. Is this the right product for dropping Platinum metals out of solution? Dimethylglyoxime.

    1 answer
    1. Yes, this product can be used as a chelating agent for platinum (Pt) ions. Dimethylglyoxime forms stable complexes with platinum, particularly in its divalent form (Pt²⁺).

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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