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.
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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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2-Methyltetrahydrofuran
BioRenewable, anhydrous, ≥99.0%, contains 150-400 ppm BHT as stabilizer
Bardziej ekologiczna alternatywa
Synonim(y):
2-MeTHF, Tetrahydro-2-methylfuran, Tetrahydrosilvan
Wybierz wielkość
| Rozmiar/SKU | Dostępność | Cena netto |
|---|---|---|
2 L | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 2480,00 zł |
Informacje o tej pozycji
2480,00 zł
grade
anhydrous
Quality Segment
assay
≥99.0%
form
liquid
contains
150-400 ppm BHT as stabilizer
expl. lim.
0.34-6.3 %
greener alternative product characteristics
Safer Solvents and Auxiliaries
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
impurities
<0.002% water, <0.005% water (100 mL pkg)
evapn. residue
<0.0003%
refractive index
n20/D 1.406 (lit.)
bp
78-80 °C (lit.)
mp
-136 °C
density
0.86 g/mL at 25 °C (lit.)
greener alternative category
SMILES string
CC1CCCO1
InChI
1S/C5H10O/c1-5-3-2-4-6-5/h5H,2-4H2,1H3
InChI key
JWUJQDFVADABEY-UHFFFAOYSA-N
General description
2-Methyltetrahydrofuran (2-MTHF), a 2-methyl substituted tetrahdrofuran, is a biomass derived solvent. It is a potential greener solvent alternative for organic synthesis. It shows resistance to reduction by lithium making it a promising candidate as electrolytes in lithium batteries. Its polarity and Lewis base strength is intermediate between tetrahydrofuran (THF) and diethyl ether. The ring opening reaction of 2-MTHF has been studied using acid chloride and iodide to form secondary chlorides and primary iodides respectively. On long term storage, tetrahydrofuran forms organic peroxides. This process can be suppressed by adding butylated hydroxytoluene (BHT) as a stabilizer. BHT removes the free radicals required for the peroxide formation.
Application
It may be used as an alternative solvent to:
- DMSO (dimethyl sulfoxide) or MTBE (methyl tertiary butyl ether) in the C-C bond forming reactions catalyzed by lyase enzyme.
- THF in the reaction between Grignard reagents and carbonyl compounds.
- Methylene chloride in some biphase reactions.
Organic Solar Cells
2-Methyltetrahydrofuran (2-MeTHF): A Biomass-Derived Solvent with Broad Application in Organic Chemistry
Features and Benefits
Packaging
Other Notes
Legal Information
1 of 1
Ta pozycja | |||
|---|---|---|---|
| description BioRenewable, anhydrous, ≥99.0%, contains 150-400 ppm BHT as stabilizer | description BioRenewable, ReagentPlus®, ≥99.5%, contains 150-400 ppm BHT as stabilizer | description absolute, stored over molecular sieve | description anhydrous, 99.7% |
| assay ≥99.0% | assay ≥99.5% | assay ≥99% (GC) | assay 99.7% |
| grade anhydrous | grade - | grade - | grade anhydrous |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| form liquid | form liquid | form liquid | form liquid |
| refractive index n20/D 1.406 (lit.) | refractive index n20/D 1.406 (lit.) | refractive index n20/D 1.406 (lit.) | refractive index n20/D 1.421 (lit.) |
| bp 78-80 °C (lit.) | bp 78-80 °C (lit.) | bp 78-80 °C (lit.) | bp 240 °C (lit.) |
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Słowo ostrzegawcze
Danger
Kody zagrożeń
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2
supp_hazards
Klasa składowania
3 - Flammable liquids
Co się dzieje?
WGK 2
Temperatura zapłonu (°F)
14.0 °F - closed cup
Temperatura zapłonu (°C)
-10.0 °C - closed cup
PPE (środki ochrony indywidualnej)
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?
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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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