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1321-74-0

1321-74-0 structural image
Product Name: Divinylbenzene
Formula: C10H10
Synonyms: Diethenylbenzene;Divinylbenzene;DVB;DVB HP;Vinylstyrene
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Divinyl benzene appears as a water-white to straw colored liquid. Slightly less dense than water and insoluble in water. Vapors may be toxic. Used in making rubber.
Color/Form Pale, straw-colored liquid.
Boiling Point 383 °F at 760 mmHg (NTP, 1992)
Melting Point -125 °F (NTP, 1992)
Flash Point 143 °F (NTP, 1992)
Solubility less than 1 mg/mL at 64 °F (NTP, 1992)
Density 0.93 (NIOSH, 2023) - Less dense than water; will float
Vapor Density Relative vapor density (air = 1): 4.48
Vapor Pressure 0.7 mmHg (NIOSH, 2023)
LogP log Kow = 3.8 /Estimated/
Autoignition Temperature 500 °C
Decomposition When heated to decomposition it emits acrid smoke and irritating fumes
Polymerization Hazardous polymerization may occur. ... Usually contains inhibitors to prevent polymerization. Uninhibited monomer vapor may form polymer in vents and other confined spaces.
Odor Threshold As with other styrene monomers, the odor can be detected by humans at levels below dangerous concn, ie, 10-60 ppm.
Kovats Retention Index 1102
Other Experimental Properties Commercial product contains all three isomers, but the m-isomer predominates. Usually contains an inhibitor to prevent polymerization.
Chemical Classes Plastics & Rubber -> Styrenes

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Exclamation Mark
Irritant
GHS07

Environment
GHS09
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313:IF SKIN irritation occurs: Get medical advice/attention.

COMPUTED DESCRIPTORS

Molecular Weight 130.19 g/mol
XLogP3 3.5
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 2
Exact Mass 130.078250319 g/mol
Monoisotopic Mass 130.078250319 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 10
Formal Charge 0
Complexity 108
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

Divinyl benzene appears as a water-white to straw colored liquid. Slightly less dense than water and insoluble in water. Vapors may be toxic. Used in making rubber.