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
247898
Isosorbide dimethyl ether
98%
Synonym(s):
DMI, Dimethyl isosorbide, 1,4:3,6-Dianhydro-2,5-di-O-methyl-D-glucitol, 1,4:3,6-Dianhydrosorbitol 2,5-dimethyl ether, 2,5-Di-O-methyl-1,4:3,6-dianhydro-D-glucitol
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assay
98%
form
liquid
optical activity
[α]21/D +96.1°, c = 2 in chloroform
refractive index
n20/D 1.461 (lit.)
bp
93-95 °C/0.1 mmHg (lit.)
density
1.15 g/mL at 25 °C (lit.)
SMILES string
CO[C@H]1COC2[C@@H](COC12)OC
InChI
1S/C8H14O4/c1-9-5-3-11-8-6(10-2)4-12-7(5)8/h5-8H,3-4H2,1-2H3/t5-,6+,7-,8-/m1/s1
InChI key
MEJYDZQQVZJMPP-ULAWRXDQSA-N
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application
General applications:
- DMI can be used as an alternative green solvent for epoxidation of cyclooctene[2], Baylis–Hillman reaction of isomaltulose-derived aldehydes with α,β-unsaturated ketones[3] and also in solid-phase synthesis.[4]
- It can be used as a coalescent for water-borne paints, where it acts as a co-solvent during the water loss phase and as a coalescing agent during the film formation.[5]
Storage Class
10 - Combustible liquids
wgk_germany
WGK 1
flash_point_f
240.8 °F - closed cup
flash_point_c
116 °C - closed cup
ppe
Eyeshields, Gloves
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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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