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Propylene oxide

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Post Date:

Feb 20,2026

Expiry Date:

Aug 19,2026

Detailed Description:

Cas No. :75-56-9

Physical and chemical properties	Color and odor status: colorless transparent ether odor liquid
	Toxicity: small	Flammability: extremely flammable
	Density: 0.859	Volatility: Volatile
	Corrosivity: No corrosion	Boiling point: 33.9℃
	Stability: good	Melting point: -112.13℃
	Acidity and alkaline: Neutral	Spontaneous ignition point: 421.1℃
	Flash point: -37℃
	Solubility: miscible with water, ethanol and most organic solvents
Uses	Important petrochemical raw materials, used in the production of polyether, propylene glycol, dimethyl carbonate, etc., surfactants, foaming agents, demulsifiers, beneficiation agents, etc. Among them, polyether polyol is an important raw material for the production of polyurethane foam, insulation materials, elastomers, adhesives and coatings. Various non-ionic surfactants are widely used in petroleum, chemical, pesticide, textile, daily chemical and other industries. At the same time, propylene oxide is also an important basic chemical raw material.
Hazard category	Class 3.1 low flash point flammable liquid
Fire-fighting measures	Use anti-capacity foam, carbon dioxide, dry powder, sand to extinguish the fire, water can be used to keep the container cool when it is critical, water is ineffective
Emergency treatment	Low toxicity. If splashed on clothes or skin, take off clothes, rinse skin with water, splash in eyes, lift eyelids and rinse with running water or saline for 15 minutes. If inhaled, leave the scene to fresh air, oxygen, Artificial respiration, seek medical advice; if ingested, rinse mouth with water, drink milk or egg white, seek medical advice.
Packaging, storage, transportation	It can be packaged in galvanized iron drum (160-170kg/drum), plastic drum (160-170kg/drum), stainless steel pressure tank; it should be stored in a cool, ventilated warehouse, protected from light, heat insulation, and sealed drums. One year, the storage effect of atmospheric tank is not as good as barreled, and it is not suitable for long-term storage; transportation according to the requirements of dangerous goods

CAS Registry Number:	75-56-9
Synonyms:	;1,2-Epoxypropane;Methyloxirane;Propyleneoxide;Epoxypropane;2-Methyloxiran;(R,S)-2-Methyl-oxirane;1,2-epoxy-propan;
Molecular Formula:	C₃H₆O
Molecular Weight:	58.08
Molecular Structure:
Hazard Symbols:	F+:Highly flammable; T:Toxic;
Risk Codes:	R12:; R20/21/22:; R36/37/38:; R45:; R46:;
Safety Description:	S45:; S53:;

Company:	Dongying City Longxing Chemical Co., Ltd. [ China ]
Contact:
Tel:	+86-546-6878189 Fye Sun:+86-1
Fax:	+86-546-6896098
Email:	fye@chemlongxing.com

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