Document ymaKEwZp2zv2zRBGLbYz8K37n

/ mmable Liquid CH, The dimer ito solution of in hydrochloric *p. gr. 0.6867 f neoprene and Unstable liquid. >r the polymer. I derivative by tion of alcohols I ethyl ether. C;sp gr. 1.51. ir. A suspected ic fibers. J\r, BVE) C);b.p94.|C; 97; flash point 7.45 lb (20C). in alcohol and h n-butyl alco- k cars, isle. id, n.o.s. (Rail, 20/20C); b.p itly soluble in pen cup). Low isk. d, n.o.s., (Rail, toxicity. Hole. and insulating in dielectric n r/ , , UMS VINYL ETHYL ETHER f vinyl chloride J (VC; chloroethene; chloroethylene) Cfij:nCl. The most important vinyl monomer. 19th highest-volume chemical produced in U.S. (1979). Properties: Compressed gas; easily liquefied; ethereal odor. Usually handled as liquid; phenol is added as a polymerization inhibitor. Sp. gr. 0.9121 (liquid, at 20/20C): b.p. -13.9C;f.p -159.7C; vapor pres sure 2300 mm (20 C); flash point -108 F (-77" C). Autoignition temp. 882 F (472 Q. Slightly soluble in water; soluble in alcohol and ether. Explosive limits in air 4 to 22% by volume. Derivation: (a) Dehydrochlorination of ethylene di chloride; (b) reaction of acetylene and hydrochloric acid, either as liquids or gases. Grades: Technical; pure, 99 9%. Containers: Cylinders; tank cars; ocean tankers. Hazard: Highly flammable; severe explosion risk at 30,000 ppm. Tolerance for workroom exposure established byOSHAis I ppm (average over an 8-hr period); Exposure times up to 15 minutes are permissible up to 5 ppm. Respirators must be used in cases where this concentration is exceeded. Use in aerosol sprays prohibitedA known carcinopjp Uses: Polyvinyl chloride and copolymers; organic synthesis; adhesives for plastics. Shipping regulations: (inhibited) (Rail, Air) Flam mable Gas label. Not acceptable passenger; (uninhib ited) (Air) Not acceptable. rinyl 2-chlorolhyl ether CHj: CHOCHjCHiCI. Properties: Liquid:sp.gr. 1.0498(20C); b.p. 109.1C; f.p. -69.7 C; very slightly soluble in water, flash point (open cup) 80 F (26.6 C). Hazard: Flammable, dangerous fire risk. Shipping regulations: Flammable liquid, n.o.s., (Rail, Air) Flammable Liquid label. vinyl compound. A compound having the vinyl grouping (CHi*CH--), specifically vinyl chloride, vinyl acetate and similar esters, but also referring more generally to compounds such as styrene C4H)CH:CHi, methyl methacrylate CH>:C(CHj)COOCH, and acrylonitrile CHj: CHCN. The vinyl compounds are highly reactive, polymerize easily, and are the basis of a number of important plastics. vinyl cyanide. See acrylonitrile. vtnyteydohexene (I -vinylcyclohexene-3; 4-vinylcyclohexene-l; cyclohexenylethylene) CHi:CHCHCHiCH:CHCHiCHj. A butadiene dimer. Properties: Liquid; sp. gr. 0.8303 (20/4C); f.p. -108.9C; b.p. I28C; refractive index 1.464 (n 20/ D); flash point 70 F(2I 2C) (TOC). Autoigttition temp. 5I7F (269 C). Temperatures above 80 F (26.6 C) and prolonged exposure to oxygencontaining gases should be avoided as these condi tions lead to discoloration and gum formation. Grades: Technical, 95%; pure, 99%; research. Containers: I-, 5-gal cans; $5-gal drums; tank tracks; tank cars. Hazard: Flammable, dangerous fire risk. May be narcotic in high concentrations. Uses: Polymers; organic synthesis. Shipping regulations: Flammable liquid, n.o.s., (Rail, Air) Flammable Liquid label. i---------------- 1 vfnylcyelohextne dioxide CHjCHOCH0. Also called vinylcyclohexane dioxide. Properties: Colorless liquid; sp. gr. 1.098 (20/20C); b.p. 227 C; refractive index J.4782(n 20/ D); viscos ity 7.77 ep (20"C); flash point 230F (II0C). Combustible. Hazard: Strong irritant to skin and tissue. Toxic by ingestion and skin absorption. Tolerance, 10 ppm in air. Uses: Polymers; organic synthesis. vinylcyclohexene monoxide CHj:CHCHvO. Also called vinylcyclohexane monoxide. Properties: Liquid; sp. gr, 0.9598 (20/20Q; b.p. 169C; f.p, -100C; flash point I36F (57.8C); viscosity 1.69 cp (20 Q. Very slightly soluble in water. Combustible. Hazard: Moderately toxic and irritant. Moderate fire risk. Uses: Polymers; organic synthesis. vinyl ether (divinyl ether, divinyl oxide) CHj:CHOCH:CHj. Properties: Colorless liquid with characteristic odor; sp. gr. 0.769; b.p. 39 C; refractive index (20/ D) 1.3989. Slightly soluble in water; miscible with alcohol, acetone, chloroform, and ether. Must be protected from light. Flash point below -22 F (-30 C); autoignition temp. 680 F (360 C). Derivation: Treatment of dichloroethyf ether with alkali. Grade: N.F. (contains 96-97% vinyl ether, remainder dehydrated alcohol). Containers: 50- and 75-cc bottles. Hazard: Highly flammable; severe fire and explosion risk. Explosive limits in air 1.7 to 27%. Highly toxic by inhalation; overexposure may be fatal. Uses: Copolymer with 3 to 5% polyvinyl chloride for plastic products such as dear plastic bottles; medicine (anesthetic, for brief operations only). Shipping regulations: (Rail) Flammable liquid, n.o.s.. Flammable Liquid label. (Air) Flammable Liquid label. Legal label name (Air), divinyl ether. vinyl beta-ethoxyethyl sulfide CHj: CHSCHjCHjOCi Hj. Properties: Colorless liquid. Pungent, camphor-like odor. Sp. gr. 0.9532 (I5*C); b.p. 65"C (8 mm). Use: Organic synthesis. rinyletbylets*. See butadiene. vinyl ethyl ether (ethyl vinyl ether; EVE) CHj:CHOCiHj, Properties: Colorless liquid. Extremely reactive; can JUL 2 - m