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
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02469
2-Butanon
analytical standard
Synonym(e):
Ethyl-methylketon, MEK, Methyl-ethylketon
Größe auswählen
| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
5 mL | Warenkorb auf Verfügbarkeit prüfen | € 139,00 |
Über diesen Artikel
grade
analytical standard
Quality Segment
vapor density
2.49 (vs air)
vapor pressure
71 mmHg ( 20 °C)
assay
≥99.9% (GC)
autoignition temp.
960 °F
shelf life
limited shelf life, expiry date on the label
expl. lim.
10.1 %
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
refractive index
n20/D 1.379
bp
80 °C (lit.)
mp
−87 °C (lit.)
density
0.805 g/mL at 25 °C (lit.)
application(s)
cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care
format
neat
SMILES string
CC(CC)=O
InChI
1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
InChI key
ZWEHNKRNPOVVGH-UHFFFAOYSA-N
General description
Application
Other Notes
1 of 1
Dieser Artikel | ||
|---|---|---|
| description analytical standard | description natural, ≥99%, FG | description ACS reagent, ≥99.0% |
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) - | technique(s) - |
| application(s) cleaning products | application(s) flavors and fragrances | application(s) - |
| grade analytical standard | grade Halal, FG, natural, Fragrance grade, Kosher | grade ACS reagent |
| assay ≥99.9% (GC) | assay ≥99% | assay ≥99.0% |
| format neat | format - | format - |
| refractive index n20/D 1.379 | refractive index n20/D 1.379 (lit.) | refractive index n20/D 1.379 (lit.) |
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signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
supp_hazards
Lagerklasse
3 - Flammable liquids
wgk
WGK 1
flash_point_f
30.2 °F - closed cup
flash_point_c
-1 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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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
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