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
92688
5,5-Dimethyl-1-pyrroline N-oxide
for ESR-spectroscopy
Synonym(s):
DMPO
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
100 mg | Estimated to ship TODAYfromSAINT LOUIS | $165.00 |
About This Item
Quality Segment
assay
≥98.0% (GC)
form
crystals
refractive index
n
bp
75 °C/0.4 mmHg (lit.)
mp
25-29 °C (lit.)
density
1.015 g/mL at 25 °C (lit.)
storage temp.
−20°C
SMILES string
CC1(C)CCC=[N+]1[O-]
InChI
1S/C6H11NO/c1-6(2)4-3-5-7(6)8/h5H,3-4H2,1-2H3
InChI key
VCUVETGKTILCLC-UHFFFAOYSA-N
Application
Packaging
1 of 1
This Item | |||
|---|---|---|---|
| description for ESR-spectroscopy | description Molecular Biology | description for spectrophotometric det. of Au, Tl(III), W, ≥99.0% | description ≥98.0% (GC) |
| form crystals | form crystals | form crystals | form crystals |
| assay ≥98.0% (GC) | assay ≥99.0% (GC) | assay ≥99.0% (GC) | assay ≥98.0% (GC) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| storage temp. −20°C | storage temp. 2-8°C | storage temp. - | storage temp. - |
| refractive index n | refractive index - | refractive index - | refractive index - |
| density 1.015 g/mL at 25 °C (lit.) | density 1.071 g/mL at 25 °C (lit.) | density 0.973 g/mL at 25 °C (lit.) | density - |
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
203.0 °F - closed cup
flash_point_c
95 °C - closed cup
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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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