CAS 25038-87-3 Poly(vinyl methyl ketone) - Materials / Alfa Chemistry

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Biomaterials

Hydrophobic Polymers

Poly(vinyl methyl ketone)

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Catalog Number

ACM25038873-2

Product Name

Poly(vinyl methyl ketone)

Structure

CAS

25038-87-3

Category

Hydrophobic Polymers

Synonyms

Polybutenone, Atactic poly(methyl vinyl ketone), 3-Buten-2-one polymer, Methyl vinyl ketone polymer

Description

The polymer product is a hydrophobic material that is insoluble in water or other polar solvents.

IUPAC Name

but-3-en-2-one

Molecular Weight

average Mw ~500,000 by GPC

Molecular Formula

[CH2CH(COCH3)]n

Canonical SMILES

CC(=O)C=C

InChI

InChI=1S/C4H6O/c1-3-4(2)5/h3H,1H2,2H3

InChI Key

FUSUHKVFWTUUBE-UHFFFAOYSA-N

Boiling Point

179 °F at 760 mm Hg (EPA, 1998);81.4 °C;81.4 °C;81 °C;179°F

Melting Point

20 °F (EPA, 1998);FP: 20 °F = -7 °C = 266 deg K;-7 °C;20°F

Flash Point

20 °F (EPA, 1998);20 °F (-7 °C) (Closed cup);30 °F (open cup);-7 °C c.c.;20°F

Density

1.12 g/mL at 25 °C (lit.)

Solubility

greater than or equal to 100 mg/mL at 72° F (NTP, 1992);Easily sol in methanol, ethanol, ether, acetone, glacial acetic acid; slightly sol in hydrocarbons.;Slightly soluble in carbon tetrachloride; soluble in benzene;Solubility in water: good

Application

Our hydrophobic polymers are used as coatings, adhesives, fibers, films and engineering plastics. Furthermore, they are widely used as biomedical polymers for vascular grafts, implants and ophthalmic applications.

Color/Form

Colorless liquid

Complexity

54.7

Covalently-Bonded Unit Count

EC Number

201-160-6

Exact Mass

70.041865g/mol

Features And Benefits

This product has good hydrophobicity to meet your specific application needs

Formal Charge

Heat of Vaporization

203 BTU/lb = 113 cal/g = 4.73x10+5 J/kg

Heavy Atom Count

ICSC Number

1495

Log P

log Kow = 0.41 (est);0.117 (estimated)

MDL Number

MFCD00084466

MeSH Entry Terms

3-buten-2-one;methyl vinyl ketone;methylvinyl ketone

Monoisotopic Mass

70.041865g/mol

NSC Number

4853

Odor

Pungent odor;Odor concn (low) = 0.5720 mg/cu m. Odor concn (high) = 0.5720 mg/cu m.

Other Experimental

Forms binary azeotrope with water; BP: 75 °C at 760 mm Hg (12% water) ... polymerizes on standing.;Heat of Polymerization: -455 BTU/lb= -253 cal/g= -10.6X10+5 J/kg; ratio of specific heats of vapor (gas): 1.1053;Liquid heat capacity = 0.400 BTU/lb-deg F at 70 °F;Liquid thermal conductivity= 1.048 BTU-in/hr-sq ft-deg F at 70 °C;Saturated vapor density = 0.01714 lb/cu ft at 70 °F;Ideal gas heat capacity = 0.302 BTU/lb-deg F at 80 °F;1 mg/cu m = 0.34 ppm; 1 ppm = 2.91 mg/cu m;Henry's Law constant = 4.65X10-5 atm-cu m/mole at 25 °C;Hydroxyl radical reaction rate constant = 1.88X10-11 cu-cm/molc sec at 25 °C

Refractive Index

n20/D 1.5 (lit.)

Rotatable Bond Count

RTECS Number

EM9800000

Stability

POLYMERIZES ON STANDING

Storage Temperature

2-8°C

UNII

AR7642I1MP

UN Number