Catalog Number
ACM24936412-5
Product Name
Poly(4-methylstyrene)
Category
Hydrophobic Polymers
Synonyms
Poly(p -methylstyrene), Poly(4-vinyltoluene), 4-Methylstyrene homopolymer, p -Methylstyrene polymer
Description
The polymer product is a hydrophobic material that is insoluble in water or other polar solvents.
IUPAC Name
1-ethenyl-4-methylbenzene
Molecular Weight
average Mw ~72,000 by GPC
Molecular Formula
[CH2CH(C6H4CH3)]n
Canonical SMILES
Cc1ccc(C=C)cc1
InChI
InChI=1S/C9H10/c1-3-9-6-4-8(2)5-7-9/h3-7H,1H2,2H3
InChI Key
JLBJTVDPSNHSKJ-UHFFFAOYSA-N
Boiling Point
172.8 °C;172 °C;173 °C
Melting Point
-34.1 °C;-37.8 °C;-34 °C
Flash Point
125 to 127 °F (NFPA, 2010);46 °C (115 °F) - closed cup;52.8 °C
Density
1.04 g/mL at 25 °C (lit.)
Solubility
7.53e-04 M;In water, 89 mg/L at 25 °C;Insoluble in water;Soluble in benzene;Solubility in water: none
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.
Covalently-Bonded Unit Count
1
EC Number
210-762-8;215-292-7
Features And Benefits
This product has good hydrophobicity to meet your specific application needs
Heat of Vaporization
6.20X10+07 J/kmol at 25 °C
Log P
log Kow = 3.35;3.580
MeSH Entry Terms
1-ethenyl-4-methylbenzene;4-ethenylmethylbenzene;4-vinyltoluene
Monoisotopic Mass
118.07825g/mol
Other Experimental
Liquid molar volume = 0.129067 cu m/kmol; heat of formation = 1.1464X10+08 J/kmol;Henry's Law constant = 3.2X10-3 atm-cu m/mole at 25 °C (est);Hydroxyl radical reaction rate constant = 3.15X10-11 cu cm/molec-sec at 25 °C;Ozone reaction rate constant = 2.1X17-11 cu cm/molec-sec at 25 °C
Refractive Index
Index of refraction: 1.5420 at 20 °C/D
Stability
Stable under recommended storage conditions.
Vapor Density
Relative vapor density (air = 1): 4.1
Vapor Pressure
1.81 mmHg;1.81 mm Hg at 25 °C;Vapor pressure, kPa at 20 °C:
Viscosity
0.0020986 Pa.s (liquid) at 239.02 K