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
CRM4M7340
Acetaldehyd-2,4-DNPH-Lösung
certified reference material, ampule of 5 × 1 mL
Synonym(e):
Acetaldehyd-2,4-dinitrophenylhydrazon -Lösung
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Qualität
certified reference material
TraceCERT®
Qualitätsniveau
Produktlinie
TraceCERT®
Analysenzertifikat (CofA)
current certificate can be downloaded
Leistungsmerkmale
standard type calibration
Verpackung
ampule of 5 × 1 mL
Konzentration
1000 μg/mL in acetonitrile (as the aldehyde)
Methode(n)
HPLC: suitable
gas chromatography (GC): suitable
Anwendung(en)
environmental
Format
single component solution
Lagertemp.
2-8°C
InChI
1S/C8H8N4O4/c1-2-9-10-7-4-3-6(11(13)14)5-8(7)12(15)16/h2-5,10H,1H3/b9-2+
InChIKey
ONBOQRNOMHHDFB-XNWCZRBMSA-N
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Dieser Artikel | CRM47340 | CRM47343 | CRM47181 |
|---|---|---|---|
| application(s) environmental | application(s) environmental | application(s) environmental | application(s) environmental |
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable |
| format single component solution | format single component solution | format single component solution | format single component solution |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade certified reference material, TraceCERT® | grade certified reference material, TraceCERT® | grade certified reference material, TraceCERT® | grade certified reference material, TraceCERT® |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
Anwendung
Sonstige Hinweise
Rechtliche Hinweise
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
Lagerklassenschlüssel
3 - Flammable liquids
WGK
WGK 2
Flammpunkt (°F)
35.6 °F - closed cup
Flammpunkt (°C)
2.0 °C - closed cup
Analysenzertifikate (COA)
Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.
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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.
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How can I determine the shelf life / expiration / retest date of this product?
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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
Helpful?
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Can it be assumed that the Raw Material Purity of 97.0% should not be adjusted by the 995 µg/ml when determining dilution concentrations?
1 answer-
The 97% purity has been factored into the certified concentration of 995 ug/mL.
Helpful?
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Why is the raw material purity indicated on the CoA if it is not intended to be used?
1 answer-
The raw material purity is included for traceability to the raw material lot number also listed. In some cases, it can also explain any low-level impurities that a customer might see in their or our provided chromatogram. The goal is simply to provide as much characterization data as possible.
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