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
91478
Methyl tricosanoate
analytical standard
Synonym(s):
Tricosanoic acid methyl ester
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$47.70
$157.50
$47.70
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grade
analytical standard
Quality Level
assay
≥99.0% (GC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
mp
53-56 °C (lit.)
53-56 °C
format
neat
functional group
ester
shipped in
ambient
storage temp.
room temp
SMILES string
CCCCCCCCCCCCCCCCCCCCCCC(=O)OC
InChI
1S/C24H48O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24(25)26-2/h3-23H2,1-2H3
InChI key
VORKGRIRMPBCCZ-UHFFFAOYSA-N
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This Item | 91558 | 87115 | 74701 |
|---|---|---|---|
| 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 neat | format neat | format neat | format neat |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| grade analytical standard | grade analytical standard | grade analytical standard | grade analytical standard |
| assay ≥99.0% (GC) | assay ≥99.0% (GC) | assay ≥99.0% (GC) | assay ≥98.0% (GC) |
| storage temp. room temp | storage temp. room temp | storage temp. 2-8°C | storage temp. room temp |
Application
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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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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I need the IR spectrum Methyl Tricosanoate Standard code.91478
1 answer-
The product is assigned an M-Clarity quality level of 100. Analytical data are unable to be shared on a product of this quality level. For a representative example see product T9900. FT-IR and ATR-IR data are available in the documentation section. Please see the links below to review:
FT-IR Condensed Phase
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/quality/spectra/258/829/FTIR004591.pdf
ATR-IR Spectra
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/quality/spectra/218/710/ATIR0007456.pdf
FT-IR Raman
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/quality/spectra/260/047/RAIR007272.pdfHelpful?
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