시클로부탄

한글명:시클로부탄

카스 번호287-23-0

상품명:CYCLOBUTANE

CBNumberCB6306339

분자식C4H8

포뮬러 무게56.11

MOL 파일287-23-0.mol

동의어(한글)

시클로부탄

사이클로부탄

화학적 성질

녹는점	-80°
끓는 점	bp741 13.08°
밀도	d0 0.7038; d-5 0.7185
굴절률	nD0 1.37520
EPA	Cyclobutane (287-23-0)

위험 및 안전 성명

유엔번호(UN No.)

2601

위험 등급

2.1

유해 물질 데이터

287-23-0(Hazardous Substances Data)

NFPA 704:

	4
1		0

그림문자(GHS)

시클로부탄 화학적 특성, 용도, 생산

화학적 성질
Cyclobutane is a colorless, flammable, explosive gas.
생산 방법
Cyclobutane is produced from cyclobutene and reutilized in catalytic cracking processes.
일반 설명
Gas that condenses to a liquid at 55°F. Density of liquid 0.7 g / cm3. Insoluble in water. Soluble in alcohol, acetone and ether. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket.
공기와 물의 반응
Highly flammable. Insoluble in water.
반응 프로필
CYCLOBUTANE may be incompatible with strong oxidizing agents like nitric acid. Charring may occur followed by ignition of unreacted material and other nearby combustibles. In other settings, mostly unreactive. Not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents.
건강위험
Vapors may cause dizziness or asphyxiation without warning. Some may be irritating if inhaled at high concentrations. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating and/or toxic gases.
화재위험
EXTREMELY FLAMMABLE. Will be easily ignited by heat, sparks or flames. Will form explosive mixtures with air. Vapors from liquefied gas are initially heavier than air and spread along ground. CAUTION: Hydrogen (UN1049), Deuterium (UN1957), Hydrogen, refrigerated liquid (UN1966) and Methane (UN1971) are lighter than air and will rise. Hydrogen and Deuterium fires are difficult to detect since they burn with an invisible flame. Use an alternate method of detection (thermal camera, broom handle, etc.) Vapors may travel to source of ignition and flash back. Cylinders exposed to fire may vent and release flammable gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket.
Purification Methods
This easily liquefiable gas is dried over Na at melting ice temperature for 4days and distilled at low temperature through a Podbielniak (p 10) precision still. A dry sample has been prepared by passage through P2O5 and distilled repeatedly until all fractions had similar vapour pressures at 0o. [Cansson & Wat J Org Chem 14 31 1949, Heisig J Am Chem Soc 63 1698 1941, Stodola & Heisig Org Synth Coll Vol III 213 1955.]

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