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79-77-6

79-77-6 structural image
Product Name: β-Lonone
Formula: C13H20O
Synonyms: ß-Ionone;4-(2,6,6-Trimethyl-1-cyclohexenyl)-3-buten-2-one;beta-Ionone
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Beta-ionone is a colorless to light yellow liquid with an odor of cedar wood. In very dilute alcoholic solution the odor resembles odor of violets. Used in perfumery.
Color/Form Colorless to pale, straw-colored liquid
Odor Warm woody, dry, and fruity odor
Taste Woody, berry, floral, green and fruity
Boiling Point 284 °F at 18 mmHg (NTP, 1992)
Melting Point -35 °C
Flash Point greater than 235 °F (NTP, 1992)
Solubility Slightly soluble (NTP, 1992)
Density 0.9462 (NTP, 1992) - Less dense than water; will float
Vapor Pressure 0.054 mm Hg at 25 °C
LogP log Kow = 4.0 at 25 °C
Stability/Shelf Life Stable under recommended storage conditions.
Autoignition Temperature 250 °C (482 °F)
Decomposition When heated to decomposition it emits acrid smoke and fumes.
Refractive Index Index of refraction: 1.5202 at 20 °C
Kovats Retention Index 1488.4 1486 1493 1496 1493 1489 1498 1498 1489 1496 1485 1494 1484 1482 1485 1485 1491 1484 1475 1482 1490 1484 1482 1500 1486 1486 1486 1484 1488 1483.9 1488.9 1493 1482 1483 1488 1491 1489 1485 1486 1452 1485 1485 1485 1485 1486 1485 1494 1488 1496 1485 1484 1484 1485 1482 1480 1485 1483 1484 1484 1477 1486 1488 1493 1484 1482 1482 1479 1442 1485 1492 1485 1496 1496 1494 1495 1500 1482 1477 1498 1488 1500 1500 1490 1485 1475 1503 1469 1489 1485 1470 1470 1458 1478 1490 1486 1456 1490 1497 1486 1489 1505 1483 1506 1505 1485 1489 1486 1489 1491 1486 1487 1492 1481 1491 1494 1490 1487 1482 1485 1489 1487 1485 1485 1484 1497 1489 1484 1485 1485 1485 1488 1459 1476 1491 1467 1491 1436 1471 1486 1481 1493 1480 1480 1483 1491 1489 1482 1482 1489 1469 1487 1489 1486 1483.3 1487 1487 1485 1486 1497 1489 1492 1490 1485 1490 1485 1490 1488 1488 1480 1481 1498 1482 1485 1487 1487 1462 1489 1489 1491 1494 1496 1498 1499 1513 1516 1478 1491 1491 1470 1489 1472 1485 1480 1487 1485 1473 1486 1496 1489 1485 1497 1481 1497 1484 1484 1485 1484 1489 1484 1491 1495 1495 1489 1484 1484 1482
Other Experimental Properties Hydroxyl radical reaction rate constant = 1.18X10-10 cu cm/molec-sec at 24 °C

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Environment
GHS09
GHS Hazard Statements H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P273:Avoid release to the environment.
P391:Collect spillage. Hazardous to the aquatic environment
P501:Dispose of contents/container to..…

COMPUTED DESCRIPTORS

Molecular Weight 192.30 g/mol
XLogP3 2.9
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 1
Rotatable Bond Count 2
Exact Mass 192.151415257 g/mol
Monoisotopic Mass 192.151415257 g/mol
Topological Polar Surface Area 17.1 Ų
Heavy Atom Count 14
Formal Charge 0
Complexity 292
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 1
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Beta-ionone is a colorless to light yellow liquid with an odor of cedar wood. In very dilute alcoholic solution the odor resembles odor of violets. Used in perfumery.

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HJ AROCHEM

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