25038-87-3
Product Name:
POLY(VINYL METHYL KETONE)
Formula:
C4H6O
Synonyms:
3-Buten-2-one polymer;Atactic poly(methyl vinyl ketone);Methyl vinyl ketone polymer;Polybutenone
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Methyl vinyl ketone appears as a clear colorless liquid with a pungent odor. Flash point 20 °F. May polymerize with the release of heat under exposure to heat or contamination. Less dense than water. Highly toxic by inhalation. Causes burns to skin, eyes and mucous membranes. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Pungent odor |
| Boiling Point | 179 °F at 760 mmHg (EPA, 1998) |
| Melting Point | 20 °F (EPA, 1998) |
| Flash Point | 20 °F (EPA, 1998) |
| Solubility | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992) |
| Density | 0.8407 to 0.8636 at 68 to 77 °F (EPA, 1998) |
| Vapor Density | 2.41 (EPA, 1998) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 86 mmHg at 72 °F ; 276 mmHg at 124 °F; 661 mmHg at 167 °F (NTP, 1992) |
| LogP | 0.117 (estimated) |
| Henry's Law Constant | Henry's Law constant = 4.65X10-5 atm-cu m/mole at 25 °C |
| Stability/Shelf Life | POLYMERIZES ON STANDING |
| Autoignition Temperature | 915 °F (USCG, 1999) |
| Viscosity | 0.807 Cp at 70 °F |
| Heat of Vaporization | 203 BTU/lb = 113 cal/g = 4.73x10+5 J/kg |
| Polymerization | ... The inhibited monomer may ... polymerize if heated sufficiently (by exposure to fire) and lead to rupture of the containing vessel. |
| Odor Threshold | Odor Threshold Low: 0.2 [mmHg] |
| Refractive Index | Index of refraction: 1.4086 at 20 °C/D |
| Kovats Retention Index | 557 568.2 568 550 576 576 576 590 561 561 569.5 |
| Other Experimental Properties | Heat of Polymerization: -455 BTU/lb= -253 cal/g= -10.6X10+5 J/kg; ratio of specific heats of vapor (gas): 1.1053 |
| Chemical Classes | Toxic Gases & Vapors -> Other Toxic Gases & Vapors |
COMPUTED DESCRIPTORS
| Molecular Weight | 70.09 g/mol |
|---|---|
| XLogP3 | 0.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 70.041864811 g/mol |
| Monoisotopic Mass | 70.041864811 g/mol |
| Topological Polar Surface Area | 17.1 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 54.7 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Methyl vinyl ketone appears as a clear colorless liquid with a pungent odor. Flash point 20 °F. May polymerize with the release of heat under exposure to heat or contamination. Less dense than water. Highly toxic by inhalation. Causes burns to skin, eyes and mucous membranes.