FEMA Number 2057 . 197 0 obj endobj <> Question: Explain How The Peaks In NMR Spectrum Correspond To The Structure Of Isopentyl Acetate. uuid:9971000a-b20d-4de6-ad44-5615177f8c90 The purpose of this experiment is to synthesize isopentyl acetate (3-methylbutyl acetate) via an esterification reaction between acetic acid and isopentyl alcohol (3-methylbutanol), using concentrated sulfuric acid as a catalyst. 278 0 obj 183 0 obj endobj 211 0 obj document-taxonomy:scientific-resources/case-studies 228 0 obj Another important characteristic of the Ha protons is they are not adjacent to other H protons and therefore appear as a singlet. endobj 1 223 0 obj 311 0 obj endobj endobj endobj <> 51 . <> there is confirmation that there was 2.1 percent of isopentyl alcohol present in our final product. Products endobj Suppliers 274 0 obj <> <> endobj <> 256 0 obj endobj Typical H-NMR Shift Ranges; Chemical Shift (d)Type of Proton Examples (Chemical shift in ppm.) <> endobj It is one of several isomers of amyl alcohol (pentanol). In the H NMR of isoamyl alcohol, which protons are responsible for the triplet at 3.6 ppm? Join Yahoo Answers and get 100 points today. endobj <> you enter 062K1064. endobj 213 0 obj endobj 253 0 obj Linear Formula (CH 3) 2 CHCH 2 CH 2 OH . 252 0 obj endobj 300 0 obj <>/Filter/FlateDecode/ID[<4E57461299E17E4C9F5E18B5A9A83F51>]/Index[248 72]/Info 247 0 R/Length 214/Prev 790172/Root 249 0 R/Size 320/Type/XRef/W[1 3 1]>>stream It has an odor of banana oil. Would Cr2O3 or CrO3 have a higher melting point. <>]/P 1266 0 R/Pg 48 0 R/S/Reference>> presented with a COA Request form. <> endobj in front of the letter e.g. 379 0 obj <> Adobe PDF Library 10.0 <> 284 0 obj <> <> [1620 0 R 1621 0 R 1622 0 R 1623 0 R 1624 0 R 1625 0 R 1626 0 R 1627 0 R 1628 0 R 1629 0 R 1630 0 R 1631 0 R 1632 0 R 1633 0 R 1634 0 R 1635 0 R 1636 0 R 1637 0 R 1638 0 R 1639 0 R 1640 0 R 1641 0 R 1642 0 R 1643 0 R 1644 0 R 1645 0 R 1646 0 R 1647 0 R 1648 0 R 1649 0 R 1650 0 R 1651 0 R 1652 0 R 1653 0 R 1654 0 R 1655 0 R 1656 0 R 1657 0 R 1658 0 R 1659 0 R 1660 0 R 1661 0 R 1662 0 R 1663 0 R 1664 0 R 1665 0 R 1666 0 R 1667 0 R 1668 0 R 1669 0 R 1670 0 R 1671 0 R 1672 0 R 1673 0 R 1674 0 R 1675 0 R 1676 0 R 1677 0 R 1678 0 R 1679 0 R 1680 0 R 1681 0 R 1682 0 R 1683 0 R 1682 0 R 1684 0 R 1685 0 R 1686 0 R] <> endobj <> 334 0 obj <> 193 0 obj 370 0 obj endobj 361 0 obj Comments; 0.8-1.5 ppm Alkane C-H: The greater the substitution on the carbon bearing the hydrogen, the further downfield (higher frequency) the resonance occurs. endobj H © 2020  Merck KGaA, Darmstadt, Germany and/or its affiliates. endobj 348 0 obj 365 0 obj endobj This leaves the multiplet at 1.7 ppm. 48 <> 264 0 obj <> <> If there is no symmetry in the substance then the heights are the amount of hydrogen connected to a carbon atom. 241 0 obj Isoamyl alcohol, <> <> endobj <>]/P 1273 0 R/Pg 44 0 R/S/Reference>> endobj <> <>]/P 1298 0 R/Pg 34 0 R/S/Reference>> endobj <> endobj endstream endobj 249 0 obj <>/Metadata 5 0 R/OCProperties<>/OCGs[301 0 R]>>/Outlines 9 0 R/PageLayout/SinglePage/Pages 246 0 R/StructTreeRoot 12 0 R/Type/Catalog>> endobj 250 0 obj <>/ExtGState<>/Font<>/Pattern<>/Properties<>/XObject<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 251 0 obj <>stream 392 0 obj isopentyl acetate from isopentyl alcohol and acetic acid. 323 0 obj Your -OH proton is buried in the multiplet at ~1.7 ppm. 254 0 obj endobj Hope this helps. <> CAS Number Search, Compound Synonyms <> 8 endobj <> [null null 1564 0 R null null null 1563 0 R null null null 1562 0 R null null null 1554 0 R 178 0 R 1554 0 R null null null 1561 0 R null null 1565 0 R 1566 0 R 1567 0 R 1568 0 R 1569 0 R 1570 0 R null null 1571 0 R null null null 1572 0 R null null null 1573 0 R null null 1574 0 R 1575 0 R 1576 0 R null null 1577 0 R null null null 1578 0 R null null null 1579 0 R null null null 1580 0 R null null 1581 0 R] Customer Service, Synonym: The product will be washed, distilled, then <> 263 0 obj endobj endobj 324 0 obj <> endobj About Us