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
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162574
Dimethylglyoxim
ACS reagent grade, ≥99%, liquid
Synonym(e):
2,3-Butandion-dioxim, Diacetyldioxim
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Über diesen Artikel
Produktname
Dimethylglyoxim, 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
Application
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| assay ≥99% | assay ≥99.0% (TLC) | assay ≥97.0% (TLC) | assay ≥99% (gravimetric) |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| form powder | form solid | form powder | form solid |
| mp 240-241 °C (lit.) | mp 240-241 °C (lit.) | mp 240-241 °C (lit.) | mp 239-243 °C (decomposition) |
| impurities ≤0.05% insol. Alcohol | impurities ≤0.02% insoluble matter in ethanol | impurities - | impurities - |
| suitability passes test for determination of nickel | suitability - | suitability - | suitability - |
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Hazard Classifications
Flam. Sol. 2
signalword
Warning
hcodes
Lagerklasse
4.1B - Flammable solid hazardous materials
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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How can I determine the shelf life / expiration / retest date of this product?
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Is this the right product for dropping Platinum metals out of solution? Dimethylglyoxime.
1 answer-
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⁺).
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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