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2-니트로페놀

2-니트로페놀
2-니트로페놀 구조식 이미지
카스 번호:
88-75-5
한글명:
2-니트로페놀
동의어(한글):
2-니트로페놀;O-나이트로페놀;니트로페놀;2-하이드록시나이트로벤젠
상품명:
2-Nitrophenol
동의어(영문):
Nsc 1552;o-Nitrofenol;o-nitro-pheno;2-nitro-pheno;2-NITROPHENOL;O-NITROPHENOL;2-Nitrylphemol;Phenol,2-nitro-;Phenol, o-nitro-;o-nitrophenol[qr]
CBNumber:
CB3854576
분자식:
C6H5NO3
포뮬러 무게:
139.11
MOL 파일:
88-75-5.mol

2-니트로페놀 속성

녹는점
43-45 °C
끓는 점
214-216 °C
밀도
1.495
증기압
1 mm Hg ( 49.3 °C)
굴절률
1.5723
인화점
108 °C
저장 조건
Store in dark!
용해도
2 g/L (25°C)
산도 계수 (pKa)
7.17(at 25℃)
물리적 상태
Liquid
색상
Clear pale yellow
pH 범위
Colorless (5.0) to yellow (7.0)
수소이온지수(pH)
5.0~7.0
수용성
2 g/L (25 ºC)
감도
Light Sensitive
Merck
14,6619
BRN
775403
Henry's Law Constant
At 20 °C: 11.1 at pH 8.1, 11.0 at pH 10.2, 8.9 at pH 11.9, 6.7 at pH 13.7 (wetted-wall column-UV, Zhang et al., 2003)
안정성
Stable. Incompatible with strong bases, strong oxidizing agents.
주요 응용
High voltage capacitors, inks, energetic materials, corrosion inhibitors, fertilizer, food storage, enzyme assays, detecting microorganisms, immunotherapy, drugs
CAS 데이터베이스
88-75-5(CAS DataBase Reference)
NIST
Phenol, 2-nitro-(88-75-5)
EPA
Phenol, 2-nitro-(88-75-5)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn,T,F
위험 카페고리 넘버 22-36/37/38-52/53-33-20/21/22-39/23/24/25-23/24/25-11
안전지침서 26-61-45-36/37-16-7-36-28
유엔번호(UN No.) UN 1663 6.1/PG 3
WGK 독일 2
RTECS 번호 SM2100000
자연 발화 온도 550 °C
TSCA Yes
위험 등급 6.1
포장분류 III
HS 번호 29089000
유해 물질 데이터 88-75-5(Hazardous Substances Data)
독성 LD50 orally in mice, rats: 1.297, 2.828 g/kg, K. C. Back et al., Reclassification of Materials Listed as Transportation Health Hazards (TSA-20-72-3; PB214-270, 1972)
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H225 고인화성 액체 및 증기 인화성 액체 구분 2 위험 P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, 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
H335 호흡 자극성을 일으킬 수 있음 특정 표적장기 독성 - 1회 노출;호흡기계 자극 구분 3 경고
H370 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킴(노출되어도 특정 표적장기 독성을 일으키지 않는다는 결정적인 노출경로가 있다면 노출경로를 기재) 특정 표적장기 독성 - 1회 노출 구분 1 위험 P260, P264, P270, P307+P311, P321,P405, P501
H373 장기간 또는 반복 노출되면 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킬 수 있음 특정 표적장기 독성 - 반복 노출 구분 2 경고 P260, P314, P501
H402 수생생물에 유해함 수생 환경유해성 물질 - 급성 구분 3
H412 장기적 영향에 의해 수생생물에 유해함 수생 환경유해성 물질 - 만성 구분 3 P273, P501
예방조치문구:
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P260 분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.
P261 분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P311 의료기관(의사)의 진찰을 받으시오.
P301+P310 삼켰다면 즉시 의료기관(의사)의 진찰을 받으시오.
P302+P352 피부에 묻으면 다량의 물로 씻으시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.

2-니트로페놀 MSDS


2-Hydroxynitrobenzene

2-니트로페놀 C화학적 특성, 용도, 생산

화학적 성질

yellow crystalline solid

용도

manufacture of dyes, paint colorings, rubber chemicals, and fungicides. Indicator in 2% alcohol solution. pH: 5.0 colorless, 7.0 yellow, but the color change is not sharp and cannot be used where CO2 is present; as reagent for glucose.

정의

ChEBI: A member of the class of 2-nitrophenols that is phenol in which one of the hydrogens that is ortho to the hydroxy group has been replaced by a nitro group.

일반 설명

Yellow solid. Sinks in and mixes slowly with water.

공기와 물의 반응

Water insoluble.

반응 프로필

2-Nitrophenol is a yellow, crystalline material, moderately toxic, low melting point (45° C). When heated to decomposition 2-Nitrophenol emits toxic fumes of oxides of nitrogen. In molten form violent reaction with strong alkali (85 % potassium hydroxide) [491 M, 1975, p. 342]. Reaction product with chlorosulfuric acid decomposes violently at room temperature [Vervalin, C. H., Hydrocarbon Proc., 1976, 55(9), p. 321].

위험도

Toxic by ingestion.

건강위험

Inhalation or ingestion causes headache, drowsiness, nausea, and blue color in lips, ears, and fingernails (cyanosis). Contact with eyes causes irritation. Can be absorbed through the intact skin to give same symptoms as for inhalation.

화재위험

Special Hazards of Combustion Products: Toxic and irritating fumes of unburned material and oxides of nitrogen can form in fire.

환경귀착

Biological. A microorganism, Pseudomonas putida, isolated from soil degraded 2-nitrophenol to nitrite. Degradation by enzymatic mechanisms produced nitrite and catechol. Catechol subsequently degraded to β-ketoadipic acid (Zeyer and Kearney, 1984). When 2-nitrophenol was statically incubated in the dark at 25 °C with yeast extract and settled domestic wastewater inoculum, 100% biodegradation with rapid adaptation was achieved after 7 d (Tabak et al., 1981). In a similar study, 2-nitrophenol degraded rapidly from flooded alluvial and pokkali (organic matter-rich acid sulfate) soils that were inoculated with parathion-enrichment culture containing 5- day-old cultures of Flavobacterium sp. ATCC 27551 and Pseudomonas sp. ATCC 29353 (Sudhaker-Barik and Sethunathan, 1978a). 2-Nitrophenol disappeared completely with the formation of nitrite, particularly in the inoculated soils rather than in the uninoculated soils.
Groundwater. Nielsen et al. (1996) studied the degradation of 2-nitrophenol in a shallow, glaciofluvial, unconfined sandy aquifer in Jutland, Denmark. As part of the in situ microcosm study, a cylinder that was open at the bottom and screened at the top was installed through a cased borehole approximately 5 m below grade. Five liters of water was aerated with atmospheric air to ensure aerobic conditions were maintained. Groundwater was analyzed weekly for approximately 3 months to determine 2-nitrophenol concentrations with time. The experimentally determined first-order biodegradation rate constant and corresponding half-life were 0.05/d and 13.86 d, respectively.
Photolytic. A second-order reaction rate constant of 9 x 10-13 cm3/molecule?sec was reported for the reaction of 2-nitrophenol and OH radicals in the atmosphere (Atkinson, 1985). Chemical/Physical. Oxidation by Fenton’s reagent (hydrogen peroxide and Fe3+) produced nitrohydroquinone and 3-nitrocatechol (Andersson et al., 1986). In an aqueous solution (initial pH 5.0), 2-nitrophenol (100 μM) reacted with Fenton’s reagent (35 μM). After 60-min and 4-h, about 50 and 90% of the 2-nitrophenol was destroyed, respectively. The pH of the solution decreased due to the formation of nitric acid (Lipczynska-Kochany, 1991).

Purification Methods

Crystallise 2-nitrophenol from EtOH/water, water, EtOH, *benzene or MeOH/pet ether (b 70-90o). It can be steam distilled. Petrucci and Weygandt [Anal Chem 33 275 1961] crystallised it from hot water (twice), then EtOH (twice), followed by fractional crystallisation from the melt (twice), drying over CaCl2 in a vacuum desiccator and then in a drying pistol. The 4-nitrobenzoate had m 141o (from EtOH). [Beilstein 6 IV 1246.]

2-니트로페놀 준비 용품 및 원자재

원자재

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