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
CRM4M7177
Formaldehyde-2,4-DNPH
certified reference material, TraceCERT®, 100 μg/mL in acetonitrile (as aldehyde), ampule of 5 × 1 mL
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grade
certified reference material
TraceCERT®
Quality Level
agency
CARB
product line
TraceCERT®
CofA
current certificate can be downloaded
feature
standard type calibration
packaging
ampule of 5 × 1 mL
concentration
100 μg/mL in acetonitrile (as aldehyde)
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
environmental
format
single component solution
storage temp.
2-8°C
SMILES string
[N+](=O)([O-])c1c(ccc(c1)[N+](=O)[O-])NN=C
InChI
1S/C7H6N4O4/c1-8-9-6-3-2-5(10(12)13)4-7(6)11(14)15/h2-4,9H,1H2
InChI key
UEQLSLWCHGLSML-UHFFFAOYSA-N
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Este artículo | 56677 | CRM47177 | CRM47564 |
|---|---|---|---|
| application(s) environmental | application(s) - | application(s) environmental | application(s) environmental |
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) 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 neat | format single component solution | format single component solution |
| Quality Level 100 | Quality Level 300 | 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 |
Application
Other Notes
Legal Information
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
Clase de almacenamiento
3 - Flammable liquids
wgk_germany
WGK 2
flash_point_f
35.6 °F - closed cup
flash_point_c
2.0 °C - closed cup
Certificados de análisis (COA)
Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»
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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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For Catalog number CRM4M7177 and lot number LRAD2435. Concentration is based on formaldehyde.
1 answer-
It is based on the Solvent/Matrix: ACETONITRILE. The concentration of Formaldehyde-DNPH solution is 100.0 ± 6.6 µg/mL in Acetonitrile. So the concentration range would be 93.4 µg/mL - 106.6 µg/mL.
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