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
ICS045
Formaldehyde Standard
certified reference material
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About This Item
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Product Name
Formaldehyde Standard, certified reference material
grade
certified reference material
CofA
current certificate can be downloaded
manufacturer/tradename
RTC ICS-045-100
concentration
1000 μg/mL in H2O
technique(s)
ion chromatography: suitable
application(s)
environmental
food and beverages
format
single component solution
storage temp.
2-30°C
Quality Level
1 of 4
This Item | QC1380 | ICS012 | ICS023 |
|---|---|---|---|
| technique(s) ion chromatography: suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) ion chromatography: suitable | technique(s) ion chromatography: suitable |
| application(s) environmental | application(s) environmental | application(s) environmental | application(s) environmental |
| format single component solution | format matrix material | format single component solution | format single component solution |
| Quality Level 300 | Quality Level 300 | Quality Level 100, 300 | Quality Level 300 |
| grade certified reference material | grade certified reference material | grade analytical standard | grade analytical standard, certified reference material |
| storage temp. 2-30°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
General description
Other Notes
signalword
Danger
hcodes
Hazard Classifications
Carc. 1B
Storage Class
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘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?
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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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Does this product already contain 2,4-DNPH or has 2,4-DNPH only been added to the product for CoA testing?
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This product does not contain 2,4-Dinitrophenylhydrazine (2,4 DNPH). (2,4 DNPH) was used as a derivatizing agent for QC analysis.
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Does Product ICS045 contain methanol as a stabilizer?
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This product does have methanol in it
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The CoA for the lot purchased lists the raw material potency as 35.2%, what is the purpose of this value? If I want to make a calibration curve using this, do I need to take this number into account? Or am I just using the 1000 mg/L for calculations?
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Raw material purity is included for traceability to the raw material. In some cases, it can also explain any low-level impurities that a customer might see in the provided chromatogram. Please use the certified value directly. No correction of the certified value is needed. It has already been corrected for the raw material purity.
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hola, con respecto al producto ICS045, me gustaría saber que concentración tiene de formaldehído, puesto que en la información del producto pone 1000ug/ml y en el certificado de origen de ejemplo que se puede descargar, pone 1000mg/l.
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As listed in the properties section on the website, the concentration is 1000 μg/mL in H2O. The 1000 μg/mL may be converted to 1 mg/mL. Thus, the 1000mg/L reported in the Certificate is also correct.
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