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퀴논

퀴논
퀴논 구조식 이미지
카스 번호:
106-51-4
한글명:
퀴논
동의어(한글):
퀴논;1,4-벤조퀴논;2,5-시클로헥사디엔-1,4-디온;p-벤조퀴논
상품명:
1,4-Benzoquinone
동의어(영문):
pbq2;Chinon;QUINONE;CHINONE;p-Chinon;stearapbq;P-QUINONE;usafp-220;NSC 36324;Steara PBQ
CBNumber:
CB9351491
분자식:
C6H4O2
포뮬러 무게:
108.09
MOL 파일:
106-51-4.mol

퀴논 속성

녹는점
113-115 °C(lit.)
끓는 점
293°C
밀도
1.31
증기 밀도
3.73 (vs air)
증기압
0.1 mm Hg ( 25 °C)
굴절률
n20/D 1.453
인화점
38°C
저장 조건
room temp
용해도
10g/l
물리적 상태
Powder
색상
Yellow to green
수소이온지수(pH)
4 (1g/l, H2O, 20℃)
수용성
10 g/L (25 ºC)
Merck
14,8074
BRN
773967
노출 한도
TLV-TWA 0.4 mg/m3 (0.1 ppm); STEL 1.2 mg/m3 (0.3 ppm) (ACGIH); IDLH 75 ppm (NIOSH).
안정성
Stable, but light sensitive. Incompatible with strong oxidizing agents. Flammable.
InChIKey
AZQWKYJCGOJGHM-UHFFFAOYSA-N
CAS 데이터베이스
106-51-4(CAS DataBase Reference)
NIST
p-Benzoquinone(106-51-4)
IARC
3 (Vol. 15, Sup 7, 71) 1999
EPA
Quinone (106-51-4)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 T,N,Xn,F
위험 카페고리 넘버 23/25-36/37/38-50-20/21/22-11
안전지침서 26-28-45-61-28A-23-16
유엔번호(UN No.) UN 2587 6.1/PG 2
WGK 독일 3
RTECS 번호 DK2625000
F 고인화성물질 8
자연 발화 온도 815 °F
TSCA Yes
HS 번호 2914 69 80
위험 등급 6.1
포장분류 II
유해 물질 데이터 106-51-4(Hazardous Substances Data)
독성 LD50 orally in rats: 130 mg/kg (Woodard)
기존화학 물질 KE-09160
유해화학물질 필터링 97-1-434
함량 및 규제정보 물질구분: 유독물질; 혼합물(제품)함량정보: 1,4-벤조퀴논 및 이를 1% 이상 함유한 혼합물
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H301 삼키면 유독함 급성 독성 물질 - 경구 구분 3 위험 P264, P270, P301+P310, P321, P330,P405, P501
H315 피부에 자극을 일으킴 피부부식성 또는 자극성물질 구분 2 경고 P264, P280, P302+P352, P321,P332+P313, P362
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 P264, P280, P305+P351+P338,P337+P313P
H331 흡입하면 유독함 급성 독성 물질 흡입 구분 3 위험 P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H335 호흡 자극성을 일으킬 수 있음 특정 표적장기 독성 - 1회 노출;호흡기계 자극 구분 3 경고
H371 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킬 수 있음(노출되어도 특정 표적장기 독성을 일으키지 않는다는 결정적인 노출경로가 있다면 노출경로를 기재) 특정 표적장기 독성 - 2회 노출 구분 2 경고 P260, P264, P270, P309+P311, P405,P501
H400 수생생물에 매우 유독함 수생 환경유해성 물질 - 급성 구분 1 경고 P273, P391, P501
H410 장기적 영향에 의해 수생생물에 매우 유독함 수생 환경유해성 물질 - 만성 구분 1 경고 P273, P391, P501
예방조치문구:
P260 분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.
P261 분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P270 이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.
P271 옥외 또는 환기가 잘 되는 곳에서만 취급하시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P391 누출물을 모으시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P405 밀봉하여 저장하시오.
P403+P233 용기는 환기가 잘 되는 곳에 단단히 밀폐하여 저장하시오.
P501 ...에 내용물 / 용기를 폐기 하시오.
NFPA 704
2
3 0

퀴논 C화학적 특성, 용도, 생산

개요

Quinone (p-benzoquinone) exists as a large yellow, monoclinic prism with an irritating odour resembling that of chlorine. Quinone is extensively used as a chemical intermediate, a polymerisation inhibitor, an oxidising agent, a photographic chemical, a tanning agent, and a chemical reagent. Quinone (p-benzoquinone) was first produced commercially in 1919 and has since been manufactured in several European countries. Its major use is in hydroquinone production, but it is also used as a polymerisation inhibitor and as an intermediate in the production of a variety of substances, including rubber accelerators and oxidising agents. It is used in the dye, textile, chemical, tanning, and cosmetic industries. In chemical synthesis for hydroquinone and other chemicals, quinone is used as an intermediate. It is also used in the manufacturing industries and chemical laboratory associated with protein fibre, photographic film, hydrogen peroxide, and gelatin making. Occupational exposure to quinone may occur in the dye, textile, chemical, tanning, and cosmetic industries. Inhalation exposure to quinone may occur from tobacco smoke.

화학적 성질

Quinone is a yellow, crystalline material or large yellow, monoclinic prisms. Pungent, irritating odor.
1,4-Benzoquinone
1,4-Benzoquinone or p-benzoquinone is the basic structure of quinonoid compounds.They are widely distributed in the natural world, being found in bacteria, plants and arthropods and hence quinones are ubiquitous to living systems. Quinones play pivotal role in biological functions including oxidative phosphorylation and electron transfer.

물리적 성질

Light yellow crystals with an acrid odor resembling chlorine. Odor threshold concentration is 84 ppb (quoted, Amoore and Hautala, 1983).

용도

1,4-Benzoquinone is used in the manufactureof dyes, fungicide, and hydroquinone; fortanning hides; as an oxidizing agent; and inphotography.

용도

Oxidizing agent; in photography; manufacture of dyes; manufacture of hydroquinone; tanning hides; making gelatin insoluble; strengthening animal fibers; as reagent.

용도

As an oxidizing agent; in photography; tanning hides; intermediate in the manufacturing of dyes, fungicides, and hydroquinone.

제조 방법

Preparation of Quinone (p-Benzoquinone) from Hydroquinone.
Principle: Hydroquinone can be readily oxidized to quinone by using oxidizing agent like potassium dichromate and conc. H2SO4 or KBrO3.
Reaction:
Preparation of Quinone (p-Benzoquinone) from Hydroquinone
Procedure: Take 0.5 g hydroquinone and 5 ml distilled water in a beaker (25 ml). Heat on a wire gauze to obtain a clear solution. Take 1 g potassium dichromate (K2Cr2O7) in a conical flask and dissolve in 10 ml water and add 1 ml conc. H2SO4. Shake and cool the conical flask in ice water. To this ice cold solution add hydroquinone solution (prepared above) dropwise over a period of 30 minutes with constant shaking. Do not allow the temperature to rise above 20oC. After complete addition, continue shaking for further 10 minutes. Yellow crystals of quinone separate out. Filter on a Buchner funnel and dry it well. (Note: Do not wash with water as the product is water soluble). Record the practical yield and re-crystallize from ethyl alcohol.
Re-crystallization: Dissolve the crude product in minimum amount of ethyl alcohol in a beaker by heating on a water bath. Filter the hot solution and cool the filtrate. The yellow needles of quinone separate out. Filter, dry and record the melting point and TLC (using toluene as a solvent).

생산 방법

Quinone was produced as early as 1838 by oxidation of quinic acid with manganese dioxide. Quinone can be prepared by oxidation starting with aniline or by the oxidation of hydroquinone with bromic acid. More recently, quinone has been made biosynthetically from D-glucose.

정의

ChEBI: The simplest member of the class of 1,4-benzoquinones, obtained by the formal oxidation of hydroquinone to the corresponding diketone. It is a metabolite of benzene.

Synthesis Reference(s)

Chemistry Letters, 14, p. 603, 1985
The Journal of Organic Chemistry, 48, p. 5160, 1983 DOI: 10.1021/jo00174a003
Tetrahedron Letters, 29, p. 677, 1988 DOI: 10.1016/S0040-4039(00)80182-3

일반 설명

A yellowish-colored crystalline solid with a pungent, irritating odor. Poisonous by ingestion or inhalation of vapors. May severely damage skin, eyes and mucous membranes. Used to make dyes and as a photographic chemical.

공기와 물의 반응

Soluble in water and denser than water. If moist 1,4-Benzoquinone may decompose spontaneously above 140°F. This has occurred in drums, causing over-pressurization.

반응 프로필

1,4-Benzoquinone acts as an oxidizing agent .

위험도

Toxic by inhalation, strong irritant to skin, eyes and mucous membranes. Skin damage. Ques- tionable carcinogen.

건강위험

1,4-Benzoquinone is moderately toxic viaingestion and skin contact. It is a mutagen andmay cause cancer. Because of its low vaporpressure, 0.1 torr (at 25°C 77°F), the healthhazard due to inhalation of its vapor is low.However, prolonged exposure may produceeye irritation, and its contact with the eyes can injure the cornea. Contact with the skincan lead to irritation, ulceration, and necrosis.
The toxicity of benzoquinone is similarto that of hydroquinone and benzenetriol.Repeated intraperitoneal administration of2 mg/kg/day to rats for 6 weeks produced significantdecreases in red blood cell, bone marrowcounts, and hemoglobin content (Raoet al. 1988). In addition, relative changes inorgan weights and injuries to the liver, thymus,kidney, and spleen were observed. Lauet al. (1988) investigated the correlation oftoxicity with increased glutathione substitutionin 1,4-benzoquinone. With the exceptionof the fully substituted isomer, increased substitutionresulted in enhanced nephrotoxicity.Although the conjugates were more stable tooxidation, the toxicity increased. The oral andintravenous toxicities of this compound in ratsare as follow:
LD50 value, oral (rats): 130 mg/kg
LD50 value, intravenous (rats): 25 mg/kg
The carcinogenicity of 1,4-benzoquinone inhumans is not reported. However, it is amutagen. It produced tumors in the lungs andskin of mice.

화재위험

Noncombustible solid; ignition can occur after only moderate heating, autoignition temperature 560°C (1040°F); fire-extinguishing agent: water spray. 1,4-Benzoquinone may react violently with strong oxidizers, especially at elevated temperatures.

Safety Profile

Poison by ingestion, subcutaneous, intraperitoneal, and intravenous routes. Questionable carcinogen with experimental tumorigenic data by skin contact. Human mutation data reported. Quinone has a characteristic, irritating odor. Causes severe damage to the skin and mucous membranes by contact with it in the solid state, in solution, or in the form of condensed vapors. Locally, it causes dlscoloration, severe irritation, erythema, swehng, and the formation of papules and vesicles, whereas prolonged contact may lead to necrosis. When the eyes become involved, it causes dangerous disturbances of vision. The moist material self-heats and decomposes exothermically above 60℃. When heated to decomposition it emits acrid smoke and fumes.

잠재적 노출

Due to this compound’s ability to react with certain nitrogen compounds to form colored sub- stances, quinone is widely used in the dye, textile, chemi- cal, tanning, and cosmetic industries. It is used as an industrial chemical; laboratory reagent; and as an interme- diate in chemical synthesis for hydroquinone and other chemicals.

Carcinogenicity

Quinone has been tested for carcinogenicity in mice by skin application or inhalation and in rats by subcutaneous injection. None of these studies were considered sufficient to evaluate carcinogenicity (335, 336). A cancer bioassay of Tribolium-infested flour has been conducted but lack of quantification of quinone and methodological issues make the data difficult to interpret.
Quinone has produced negative results in studies designed to examine its ability to promote carcinogenicity. In a liver bioassay, quinone did not increase the formation of GGTpositive foci in the liver. Quinone did not promote induction of stomach or skin tumors in mice dosed with 7,12- dimethylbenzanthracene.

환경귀착

Quinone exists in the atmosphere in the gas phase. The dominant atmospheric loss process for quinone is expected to be by reaction with the hydroxyl (OH) radical (reaction with ozone is expected to be slow because of the >C(O) substituent groups). The estimated half-life and lifetime of quinone in the atmosphere due to reaction with the OH radical are w3 and 4 h, respectively. Release of 1,4-benzoquinone to the environment occurs via its effluents during its commercial production and use and in wastewaters from the coal industry. If released to soil, it is likely to leach (estimated Koc of 30) and may volatilize and photodegrade on soil surfaces. The ambient atmospheric concentration of 1,4-benzoquinone has been reported to be less than 15–80 ng m-3, and benzoquinone has been detected in tobacco smoke.

운송 방법

UN2587 Benzoquinone, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Purification Methods

Purify p-benzoquinone in one or more of the following ways: steam distillation followed by filtration and drying (e.g. in a desiccator over CaCl2), crystallisation from pet ether (b 80-100o), *benzene (with, then without, charcoal), water or 95% EtOH, sublimation under vacuum (e.g. from room temperature to liquid N2). It slowly decomposes and should be stored, refrigerated, in an evacuated or sealed glass vessel in the dark. It should be resublimed before use. [Wolfenden et al. J Am Chem Soc 109 463 1987, Beilstein 7 IV 2065.]

Toxicity evaluation

The acute narcotic effects are due to the physical interaction of quinone itself on the cells of the central nervous system (CNS). The long-term effects are most likely due to the production of an unstable reactive intermediate during biotransformation or redox cycling. Cytochrome P450–mediated xenobiotic metabolism often leads to biological intermediates with attributes identical to quinones.

비 호환성

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explo- sions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, some combustible substances; reducing agents. Decomposes exothermically on warming above 60 ? C, when moist, producing carbon monoxide.

폐기물 처리

Controlled incineration (982℃, 2.0 seconds minimum).

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