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
L2376
Linolenic acid
≥99%
Synonym(s):
α-Lnn, cis,cis,cis-9,12,15-Octadecatrienoic acid
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About This Item
Quality Segment
assay
≥99%
refractive index
n20/D 1.480 (lit.)
bp
230-232 °C/1 mmHg (lit.)
mp
-11 °C (lit.)
density
0.914 g/mL at 25 °C (lit.)
lipid type
omega FAs
storage temp.
−20°C
SMILES string
CC/C=C\C/C=C\C/C=C\CCCCCCCC(O)=O
InChI
1S/C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10H,2,5,8,11-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-
InChI key
DTOSIQBPPRVQHS-PDBXOOCHSA-N
General description
Application
- to assess the total antioxidative activity of serum[1] and bacteria
- in palleroni chamber assay
- to prepare free fatty acid mixture
Biochem/physiol Actions
Packaging
1 of 1
This Item | |||
|---|---|---|---|
| assay ≥99% | assay ~70% (GC) | assay ≥98.5% (GC) | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| storage temp. −20°C | storage temp. 2-8°C | storage temp. −20°C | storage temp. - |
| mp -11 °C (lit.) | mp -11 °C (lit.) | mp -11 °C (lit.) | mp −5 °C (lit.) |
| density 0.914 g/mL at 25 °C (lit.) | density 0.914 g/mL at 25 °C (lit.) | density 0.914 g/mL at 25 °C (lit.) | density 0.902 g/mL at 25 °C (lit.) |
| bp 230-232 °C/1 mmHg (lit.) | bp 230-232 °C/1 mmHg (lit.) | bp 230-232 °C/1 mmHg (lit.) | bp 229-230 °C/16 mmHg (lit.) |
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Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
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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Is it suitable for cell culture assays?
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This product has not been tested specifically for cell culture applications or the presence of endotoxin. However, the following article indicates that this material has been used successfully in cell culture studies. Please see the link below :
https://www.sigmaaldrich.com/technical-documents/technical-article/cell-culture-and-cell-culture-analysis/mammalian-cell-culture/linolenic-acidHelpful?
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What is the biological source of this reagent?
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The biological source of this is plant source; linseed/flax seed oil. Please check the Certificate of Origin (lot specific) for more information.
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