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/449/386/product-dating-information-mk.pdf
281662
Diethylene glycol dimethyl ether
anhydrous, 99.5%
Synonym(s):
2-Methoxyethyl ether, Bis(2-methoxyethyl) ether, Dimethyldiglycol, ‘Diglyme’
About This Item
Recommended Products
grade
anhydrous
Quality Level
vapor density
4.6 (vs air)
vapor pressure
3 mmHg ( 20 °C)
Assay
99.5%
form
liquid
autoignition temp.
370 °F
expl. lim.
17.4 %
impurities
<0.005% water
evapn. residue
<0.0005%
refractive index
n20/D 1.408 (lit.)
pH
7 (20 °C)
bp
162 °C (lit.)
mp
−64 °C (lit.)
density
0.944 g/mL at 20 °C (lit.)
0.939 g/mL at 25 °C (lit.)
SMILES string
COCCOCCOC
InChI
1S/C6H14O3/c1-7-3-5-9-6-4-8-2/h3-6H2,1-2H3
InChI key
SBZXBUIDTXKZTM-UHFFFAOYSA-N
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Application
- Synthesis of 3,5-dinitrobenzaldehyde via reduction of 3,5-dinitrobenzoyl chloride using lithium aluminum tri-tert-butoxyhydride.[3]
- Copper-catalyzed cross-coupling of iodoarenes with 4-[2,2,2-trifluoro-1-(trimethylsilyloxy)ethyl]morpholine to form the corresponding trifluoromethyl arenes.[4]
- Conversion of olefins (for eg: (±)-α-pinene) to primary amines (3-pinanamine) via hydroboration-amination reaction.[5]
recommended
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Flam. Liq. 3 - Repr. 1B
Supplementary Hazards
Storage Class Code
3 - Flammable liquids
WGK
WGK 1
Flash Point(F)
134.6 °F - closed cup
Flash Point(C)
57 °C - closed cup
Personal Protective Equipment
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Copper(I)-Phen Complex
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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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