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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D136808
2,2-Dimethoxypropan
reagent grade, 98%, liquid, suitable for analytical testing
Synonym(e):
Aceton-dimethylacetal
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Über diesen Artikel
Produktname
2,2-Dimethoxypropan, reagent grade, 98%
grade
reagent grade
Quality Segment
vapor density
3.59 (vs air)
vapor pressure
60 mmHg ( 15.8 °C)
assay
98%
form
liquid
expl. lim.
31 %, 58 °F, 6 %, 27 °F
dilution
(for analytical testing)
refractive index
n20/D 1.378 (lit.)
bp
83 °C (lit.)
density
0.847 g/mL at 25 °C (lit.)
functional group
ether, ketal
SMILES string
COC(C)(C)OC
InChI
1S/C5H12O2/c1-5(2,6-3)7-4/h1-4H3
InChI key
HEWZVZIVELJPQZ-UHFFFAOYSA-N
General description
Application
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| assay 98% | assay ≥99.4% (GC) | assay ≥97.0% (GC) | assay ≥94.0% (GC) |
| grade reagent grade | grade analytical standard | grade synthesis grade | grade - |
| form liquid | form - | form liquid | form liquid |
| vapor pressure 60 mmHg ( 15.8 °C) | vapor pressure 60 mmHg ( 15.8 °C) | vapor pressure 60 hPa ( 16 °C) | vapor pressure - |
| refractive index n20/D 1.378 (lit.) | refractive index n20/D 1.378 | refractive index - | refractive index - |
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signalword
Danger
Lagerklasse
3 - Flammable liquids
flash_point_f
14.0 °F - closed cup
flash_point_c
-10 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
Zulassungslistungen
Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.
77-76-9
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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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