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Poly(ethylene)

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Poly(ethylene)

EINECS 200-815-3
CAS No. 9002-88-4 Density 0.95
Solubility Melting Point 92ºC
Formula (C2H4)n Boiling Point
Molecular Weight 28.0532 Flash Point 270 ºC
Transport Information Appearance powder
Safety Questionable carcinogen with experimental tumorigenic data by implant. Reacts violently with F2. When heated to decomposition it emits acrid smoke and irritating fumes. Risk Codes
Molecular Structure Molecular Structure of 9002-88-4 (Poly(ethylene)) Hazard Symbols
Synonyms

pad522;pe512;pe617;pen100;pep211;pes100;pes200;petrothene

 

Poly(ethylene) Chemical Properties


IUPAC Name: Deuterioethene
Molecular Formula: [C2H4]n
EINECS: 200-815-3
Classification Code: Biocompatible materials; TSCA Flag XU [Exempt from reporting under the Inventory Update Rule]; Tumor data
Stability: Stable, but breaks down slowly in uv light or sunlight. Incompatible with halogens, strong oxidizing agents, benzene, petroleum ether, aromatic and chlorinated hydrocarbons, lubricating oils.
Melting Point: 92 °C
Index of Refraction: 1.295
Molar Refractivity: 10.7 cm3
Molar Volume: 58.1 cm3
Surface Tension: 9.6 dyne/cm
Density: 0.482 g/cm3
Flash Point: 270 °C
Enthalpy of Vaporization: 15.7 kJ/mol
Vapour Pressure of Polyethylene (CAS NO.9002-88-4): 43300 mmHg at 25 °C

Poly(ethylene) History

   Polyethylene (CAS NO.9002-88-4) was discovered in 1933 by Reginald Gibson and Eric Fawcett at the British industrial giant Imperial Chemical Industries (ICI).  This material evolved into two forms, low density polyethylene (LDPE) and high density polyethylene (HDPE). 

Poly(ethylene) Uses

   Polyethylene (CAS NO.9002-88-4) is cheap, flexible, durable, and chemically resistant. It is used to make films and packaging materials, including plastic bags, while HDPE is used more often to make containers, plumbing, and automotive fittings.  While PE has low resistance to chemical attack, it was found later that a PE container could be made much more robust by exposing it to fluorine gas, which modified the surface layer of the container into the much tougher "polyfluoroethylene."

Poly(ethylene) Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 12gm/m3/30M (12000mg/m3)   Proceedings of the Western Pharmacology Society. Vol. 21, Pg. 167, 1978.
mouse LDLo oral 5gm/kg (5000mg/kg)   Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 5, Pg. 136, 1963.
rat LD oral > 3gm/kg (3000mg/kg) KIDNEY, URETER, AND BLADDER: OTHER CHANGES Kiso to Rinsho. Clinical Report. Vol. 16, Pg. 175, 1982

Poly(ethylene) Safety Profile

The Safety Statements information of Polyethylene (CAS NO.9002-88-4):
S22:  Do not breathe dust 
S24/25:  Avoid contact with skin and eyes 
WGK Germany: 3
RTECS: TQ3325000

Poly(ethylene) Specification

  Polyethylene (CAS NO.9002-88-4), its Synonyms are Ethene, homopolymer ; Plastipore ; Ethene, homopolymer ; Ethylene polymers (8CI) ; Alkathene ; Allied PE 617 ; Alphex FIT 221 ; Ambythene ; Bakelite DFD 330 ; Bakelite DHDA 4080 ; Bakelite DYNH .

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