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
177717
2,5-Dimethylfuran
99%
Synonym(s):
2-Methyl-5-methylfuran
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Product Name
2,5-Dimethylfuran, 99%
InChI key
GSNUFIFRDBKVIE-UHFFFAOYSA-N
InChI
1S/C6H8O/c1-5-3-4-6(2)7-5/h3-4H,1-2H3
SMILES string
Cc1ccc(C)o1
vapor density
3.31 (vs air)
assay
99%
form
liquid
refractive index
n20/D 1.441 (lit.)
bp
92-94 °C (lit.)
mp
−62 °C (lit.)
density
0.903 g/mL at 25 °C (lit.)
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This Item | D130605 | 110582 | D42003 |
|---|---|---|---|
| assay 99% | assay 99% | assay 99% | assay 99% |
| refractive index n20/D 1.441 (lit.) | refractive index - | refractive index n20/D 1.392 (lit.) | refractive index - |
| mp −62 °C (lit.) | mp 46-48 °C (lit.) | mp - | mp 82-84 °C (lit.) |
| density 0.903 g/mL at 25 °C (lit.) | density - | density 0.694 g/mL at 25 °C (lit.) | density 2.374 g/mL at 25 °C (lit.) |
| form liquid | form crystals | form - | form solid |
| bp 92-94 °C (lit.) | bp 146 °C/10 mmHg (lit.) | bp 108 °C (lit.) | bp - |
Application
- A reactant to prepare exo-maleimide-dimethylfuran cyclo adduct, which is used in the synthesis of oligonucleotide conjugates.[1]
- An arynophile to synthesize 1,4-dimethyl-1,4-dihydro-1,4-epoxynaphthalene (fused benzene) by reacting with a mixture of neopentyl glycol and 2-hydroxyphenylboronic acid in the presence of a strong base.[2]
- A precursor to prepare p-xylene via Diels-Alder cycloaddition and subsequent dehydration reaction.[3]
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
33.8 °F
flash_point_c
1 °C
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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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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