Propylene oxide

Propylene oxide Property

mp : -112 °C bp : 34 °C(lit.) density : 0.83 g/mL at 25 °C(lit.) vapor density : 2 (vs air) vapor pressure : 29.43 psi ( 55 °C) refractive index : n20/D 1.366(lit.) Fp : −35 °F storage temp. : Flammables area Water Solubility : 40 g/100 mL (20 ºC) FreezingPoint : -112.13℃ Merck : 14,7856 BRN : 79763 Stability:: Stable. Incompatible with acids, bases, oxidizing agents, copper, copper alloys, brass, bronze, iron, metal chlorides, peroxides and a wide variety of other materials. Reacts with compounds containing labile hydrogen. Extremely flammable - note low boiling point, low flash point and very wide explosion limits. Moisture sensitive. CAS DataBase Reference: 75-56-9(CAS DataBase Reference) NIST Chemistry Reference: Propylene oxide(75-56-9) EPA Substance Registry System: Oxirane, methyl-(75-56-9)

Safety

Hazard Codes : F+,T Risk Statements : 45-46-12-20/21/22-36/37/38 Safety Statements : 53-45 RIDADR : UN 1280 3/PG 1 WGK Germany : 3 RTECS : TZ2975000 HazardClass : 3 PackingGroup : I Hazardous Substances Data: 75-56-9(Hazardous Substances Data)

Propylene oxide Chemical Properties,Usage,Production

Chemical Properties colourless liquid with an ether-like odour General Description A clear colorless volatile liquid with an ethereal odor. Flash point -35°F. Boiling point 95°F. Density 6.9 lb./gal. Flammable over a wide range of vapor-air concentrations. If contaminated, may polymerize with evolution of heat and possible rupture of container. Vapors irritate eyes, skin, and respiratory system. Prolonged contact with skin may result in delayed burns. Vapors heavier than air. Used as a fumigant, in making detergents and lubricants, and to make other chemicals. Air & Water Reactions Highly flammable. Soluble in water. Reactivity Profile 1,3-Propylene oxide react with oxidizing agents and strong acids . Reacts with Grignard reagents and organolithium compounds. An explosion occurred when Propylene oxide was added to an epoxy resin. Propylene oxide was concluded that polymerization was catalyzed by an amine accelerator in the resin [Bretherick, 5th Ed., 1995]. Underwent polymerization when mixed with sodium hydroxide causing ignition and explosion of a drum of the crude product. [Combust Sci. Technol., 1983]. Health Hazard Propylene oxide is moderately toxic by inhalation and ingestion. It may cause irreversible and reversible changes. Skin contact with the material or solutions of the material cause irritation; diluted solutions are more irritating than undiluted materials. Exposure may cause mild depression of the central nervous system and eye, nasal, and lung irritation. Contact with the liquid can cause blindness and death. Pulmonary edema may recur up to 2 weeks after exposure. Fire Hazard Vapor is heavier than air and may travel considerable distance to source of ignition and flash back. Vapors form explosive mixture with air. If polymerization takes place in container, there may be a violent rupture of container. Explosion hazard is severe when exposed to flame. Violently reacts with acetylide- forming metals such as copper or copper alloys, ammonium hydroxide; chlorosulfonic acid; hydrochloric acid; hydrofluoric acid; nitric acid; oleum and sulfuric acid. Hazardous polymerization may occur. Avoid active catalytic surfaces such as anhydrous chlorides of iron, tin, and aluminum; peroxides of iron and aluminum; and alkali metal hydroxides, high temperatures; alkalies; aqueous acids; amines and acidic alcohols.

Propylene oxide Preparation Products And Raw materials

Raw materials 2-Amino-3-chlorobenzoic acid Calcium oxide Copper naphthenate PROPYLENE tert-Butyl hydroperoxide Hydrogen peroxide ISOBUTANE Ethylenzene Chlorine Phenethyl alcohol NAPHTHENIC ACID Cumyl hydroperoxide Sodium hydroxide hypochlorous acid Calcium hydroxide

Preparation Products Propyleneglycol alginate Hydroxypropyl cellulose 1-(2,6-DIMETHYLPHENOXY)ACETONE 1-PHENOXY-2-CHLOROPROPANE Glycerin polyether polyoxypropylene glycerol ether defoaming agent BAPE 1-Methoxy-2-propanol Antifoaming agent PPE sucrose polyoxypropylene demulsifier M501 emulsifier 12^<#^> 1-Ethoxy-2-propanol Poly(propylene glycol) tri-isopropanlamiue polyoxypropyleal polyoxy-ethylene ether Propylene glycol n-butyl ether 1,1'-Oxydi-2-propanol pesticide emulsifier 1900^<#^> demulsifire N-220 series BETA-METHYLCHOLINE CHLORIDE 2,2-Bis[4-(β-hydroxypropoxy)phenyl]propane demulsifier AR series defoaming agent MPO Dipropylene glycol monomethyl ether Polyoxyethylene polyoxypropylene amine(BAPE) demulsifier ST series ning emulsifier 33^<#^> Triisopropanolamine defoamer GPE 1-(2,6-DIMETHYLPHENOXY)-2-PROPANOL Hydroxypropyl starch demulsifier RA101 Polyoxyethylene polyoxy propylene pentaotIythnitol(PPE) demulsifier TA1031 2-OXAZOLIDINONE, 5-(HYDROXYMETHYL)-3-(3-METHYLPHENYL)- polyoxyethylene polyoxypropylene monobutyl ether Deemulsifier SP-169 defoamin gagent [for coating] FBX-01, FBX-02 2-Hydroxypropyl methacrylate

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