하이포클로로스애씨드

한글명:하이포클로로스애씨드

카스 번호7790-92-3

상품명:hypochlorous acid

CBNumberCB8922249

분자식ClHO

포뮬러 무게52.46

MOL 파일7790-92-3.mol

동의어(한글)

하이포아염소산

하이포클로로스애씨드

화학적 성질

끓는 점	125-130 °C(Press: 11 Torr)
밀도	1.1655 g/cm3
용해도	soluble in H2O
산도 계수 (pKa)	pK (25°) 7.49
물리적 상태	용액에서만 안정함
색상	green-yellow; stable only in aqueous solution
수소이온지수(pH)	pKa1= 7.47(25℃)
LogP	0.710 (est)
EPA	Hypochlorous acid (7790-92-3)

위험 및 안전 성명

유엔번호(UN No.)	3139
위험 등급	5.1
포장분류	II

하이포클로로스애씨드 화학적 특성, 용도, 생산

물성
수용액으로만 존재하며, 빛이나 열에 의해 상당히 불안정하게 되어 발생기 산소를 발생시킨다.진한 용액은 담황색을 띠며, 자극적인 냄새가 난다.
용도
이 산소 라디칼에 의해 강한 산화성을 가지며, 용액 자체나 그 염은 표백·살균제, 소독제로 쓰인다.
개요
Hypochlorous acid [7790-92-3], HOCl, Mr 52.5, is only moderately stable in aqueous solution. It is colorless when dilute and yellowish at higher concentrations. Hypochlorous acid is one of the most powerful oxidizing agents known. Hypochlorous acid solution decomposes exothermically. The main decomposition products are hydrochloric acid and oxygen.
화학적 성질
Greenish-yellow aqueous solution. Highly unstable, weak acid. Decomposes to hydrogen chloride and oxygen. Can exist only in dilute solutions.
물리적 성질
Greenish-yellow aqueous solution; unstable; weak acid, pKa7.40 at 25°C;soluble in water.
용도
Disinfectant. Because of its instability, hypochlorous acid is not used extensively as an oxidizing or bleaching agent. It was used mainly in the water treatment industry for slime control, for treatment of drinking water, and for sterilization of swimming pools. These applications have now been taken over by the more stable hypochlorites.
정의
ChEBI: Hypochlorous acid is a chlorine oxoacid with formula HOCl; a weak, unstable acid, it is the active form of chlorine in water. It has a role as a human metabolite, an EC 3.1.1.7 (acetylcholinesterase) inhibitor and an EC 2.5.1.18 (glutathione transferase) inhibitor. It is a member of reactive oxygen species and a chlorine oxoacid. It is a conjugate acid of a hypochlorite.
제조 방법
Hypochlorous acid is obtained by dissolving chlorine in water, or by addingbleaching powder or sodium hypochlorite to water. A better method of pro-duction is passing chlorine gas into a well-agitated suspension of mercuricoxide:
2Cl₂ + 2HgO + H₂O → HgO•HgCl₂ + 2HOCl
or by distilling chlorine hexahydrate and mercuric oxide at low pressure:
2Cl₂•6H₂O + HgO → 2HOCl + HgCl₂ + 5H2O
The latter process can yield a 25% acid solution.
Hypochlorous acid also may be obtained by hydrolysis of chlorine monoflu-oride:
ClF + H2O → H⁺ + F¯ + HOCl
The above reaction may be explosive and is not recommended for preparinghypochlorous acid.
위험도
Irritant to skin and eyes.

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