Cas no 6581-66-4 (2-Methoxytetrahydropyran)
2-Methoxytetrahydropyran Chemical and Physical Properties
Names and Identifiers
-
- 2H-Pyran,tetrahydro-2-methoxy-
- 2-methoxyoxane
- 2-Methoxytetrahydropyran
- tetrahydro-2-methoxy-2H-pyran
- 2H-Pyran,tetrahydro-2-methoxy
- 2-methoxytetrahydro-2H-pyran
- EINECS 229-509-8
- methoxydihydropyran
- methoxytetrahydropyran
- PYRAN,2-METHOXY-TETRAHYDRO
- tetrahydropyran-2-yl methyl ether
- DTXSID90984305
- CS-0197358
- SCHEMBL84554
- 5-17-03-00078 (Beilstein Handbook Reference)
- 6581-66-4
- MFCD00075264
- BS-52961
- PYRAN, 2-METHOXY-TETRAHYDRO-
- W-110166
- 2H-Pyran, tetrahydro-2-methoxy-
- 2-Methoxytetrahydropyran, 98%
- AKOS015852555
- BRN 0102955
- FT-0678170
- XTDKZSUYCXHXJM-UHFFFAOYSA-N
- E73937
- NS00046933
-
- MDL： MFCD00075264
- Inchi： 1S/C6H12O2/c1-7-6-4-2-3-5-8-6/h6H,2-5H2,1H3
- InChI Key： XTDKZSUYCXHXJM-UHFFFAOYSA-N
- SMILES： O1CCCCC1OC
Computed Properties
- Exact Mass: 116.08400
- Monoisotopic Mass: 116.084
- Isotope Atom Count: 0
- Hydrogen Bond Donor Count: 0
- Hydrogen Bond Acceptor Count: 2
- Heavy Atom Count: 8
- Rotatable Bond Count: 1
- Complexity: 63.5
- Covalently-Bonded Unit Count: 1
- Defined Atom Stereocenter Count: 0
- Undefined Atom Stereocenter Count : 1
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Surface Charge: 0
- Tautomer Count: nothing
- XLogP3: 0.9
- Topological Polar Surface Area: 18.5A^2
Experimental Properties
- Color/Form: Not determined
- Density: 0.963?g/mL?at 25?°C(lit.)
- Boiling Point: 128-129?°C(lit.)
- Flash Point: Fahrenheit: 77 ° f < br / > Celsius: 25 ° C < br / >
- Refractive Index: n20/D 1.425(lit.)
- PSA: 18.46000
- LogP: 1.15940
- Solubility: Not determined
2-Methoxytetrahydropyran Security Information
-
Symbol:
- Signal Word：Warning
- Hazard Statement： H226
- Hazardous Material transportation number：UN 1993 3/PG 3
- WGK Germany：2
- Hazard Category Code： 10
- Safety Instruction： S16-S29-S33
- RTECS：UQ0300000
-
Hazardous Material Identification：
- HazardClass：3.2
- PackingGroup：III
- Packing Group：III
- Hazard Level：3.2
- Risk Phrases：R10
- Packing Group：III
- Safety Term：3.2
2-Methoxytetrahydropyran Customs Data
- HS CODE：2932999099
- Customs Data：
China Customs Code:
2932999099Overview:
2932999099. Other heterocyclic compounds containing only oxygen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%
Declaration elements:
Product Name, component content, use to
Summary:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
2-Methoxytetrahydropyran Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| SHANG HAI JI ZHI SHENG HUA Technology Co., Ltd. | SA02967-25g |
2-Methoxytetrahydro-2H-pyran |
6581-66-4 | 98% | 25g |
￥1198.0 | 2024-07-19 | |
| SHANG HAI JI ZHI SHENG HUA Technology Co., Ltd. | SA02967-5g |
2-Methoxytetrahydro-2H-pyran |
6581-66-4 | 98% | 5g |
￥240.0 | 2024-07-19 | |
| SHANG HAI XIAN DING Biotechnology Co., Ltd. | 024594-25g |
2-Methoxytetrahydropyran |
6581-66-4 | 98% | 25g |
4338CNY | 2021-05-07 | |
| SHANG HAI XIAN DING Biotechnology Co., Ltd. | 024594-5g |
2-Methoxytetrahydropyran |
6581-66-4 | 98% | 5g |
1087CNY | 2021-05-07 | |
| SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd. | M915470-25g |
2-Methoxytetrahydropyran |
6581-66-4 | 97% | 25g |
1,998.00 | 2021-05-17 | |
| Chemenu | CM182056-5g |
2-Methoxytetrahydropyran |
6581-66-4 | 97% | 5g |
$*** | 2023-05-29 | |
| Chemenu | CM182056-25g |
2-Methoxytetrahydropyran |
6581-66-4 | 97% | 25g |
$*** | 2023-05-29 | |
| SHANG HAI XIAN DING Biotechnology Co., Ltd. | 024594-25g |
2-Methoxytetrahydropyran |
6581-66-4 | 98% | 25g |
4338.0CNY | 2021-07-13 | |
| SHANG HAI XIAN DING Biotechnology Co., Ltd. | 024594-5g |
2-Methoxytetrahydropyran |
6581-66-4 | 98% | 5g |
1087.0CNY | 2021-07-13 | |
| TRC | M845263-250mg |
2-Methoxytetrahydropyran |
6581-66-4 | 250mg |
$ 50.00 | 2022-06-02 |
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2-Methoxytetrahydropyran Related Literature
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Priyanka Singh,Gautam Panda RSC Adv. 2014 4 31892
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Gadi Madhusudhan Reddy,Perali Ramu Sridhar Org. Biomol. Chem. 2014 12 8408
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Vladimir Sladek,Filip Holka,Igor Tvaro?ka Phys. Chem. Chem. Phys. 2015 17 18501
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Bruno A. Piscelli,David O’Hagan,Rodrigo A. Cormanich Phys. Chem. Chem. Phys. 2021 23 5845
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5. The anomeric and exo-anomeric effects in 2-methoxytetrahydropyranHarold Booth,T. Bruce Grindley,Khedhair A. Khedhair J. Chem. Soc. Chem. Commun. 1982 1047
Additional information on 2-Methoxytetrahydropyran
Comprehensive Guide to 2-Methoxytetrahydropyran (CAS No. 6581-66-4): Properties, Applications, and Industry Trends
2-Methoxytetrahydropyran (CAS No. 6581-66-4), often referred to as 2-MeOTHP, is a versatile cyclic ether compound widely utilized in organic synthesis, fragrance formulation, and specialty chemical industries. Its unique molecular structure—combining a tetrahydropyran ring with a methoxy substituent—imparts exceptional stability and reactivity, making it a valuable intermediate for pharmaceuticals, agrochemicals, and flavor enhancers. As demand for sustainable and high-performance chemicals grows, 2-Methoxytetrahydropyran has garnered attention for its eco-friendly potential and compatibility with green chemistry principles.
In recent years, searches for "2-Methoxytetrahydropyran uses", "CAS 6581-66-4 safety data", and "tetrahydropyran derivatives in fragrances" have surged, reflecting industry interest. This compound’s low toxicity and biodegradability align with global trends toward sustainable solvents and bio-based materials. Researchers also explore its role in hydrogen storage systems due to its ability to form stable complexes, a topic gaining traction in renewable energy discussions.
The synthesis of 2-Methoxytetrahydropyran typically involves acid-catalyzed reactions of dihydropyran with methanol, yielding high purity grades (>98%) suitable for sensitive applications. Its boiling point (≈145°C) and water solubility (moderate) make it ideal for reactions requiring polar aprotic solvents. Notably, its floral, herbaceous odor has led to adoption in premium perfumery, often listed under trade names like Methyl Tetrahydropyran-2-yl Ether.
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Innovations in catalytic hydrogenation have optimized 2-Methoxytetrahydropyran production, reducing energy consumption—a key focus for carbon footprint reduction. Meanwhile, its derivatives are investigated for controlled-release formulations in agriculture, addressing pesticide efficiency concerns. Such applications position this compound at the intersection of green chemistry and industrial scalability.
In conclusion, 2-Methoxytetrahydropyran (CAS No. 6581-66-4) exemplifies how niche chemicals can address broad challenges—from sustainable manufacturing to functional material design. As research expands, its role in circular economy models and high-value applications will likely grow, reinforcing its industrial relevance.
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