4-Nitroacetophenone

4-Nitroacetophenone 구조식 이미지
카스 번호:
100-19-6
상품명:
4-Nitroacetophenone
동의어(영문):
1-(4-NITROPHENYL)ETHAN-1-ONE;Nitroacetophenone;1-(4-nitrophenyl)ethanone;PNAP;P-NITROACETOPHENONE;NSC 41590;Bromo-2’AURORA KA-7140;AKOS BBS-00003219;p-Nitroacetophenon
CBNumber:
CB5118997
분자식:
C8H7NO3
포뮬러 무게:
165.15
MOL 파일:
100-19-6.mol
MSDS 파일:
SDS

4-Nitroacetophenone 속성

녹는점
75-78 °C(lit.)
끓는 점
202 °C(lit.)
밀도
1.3450 (rough estimate)
굴절률
1.5468 (estimate)
인화점
201-202°C
저장 조건
Sealed in dry,Room Temperature
물리적 상태
결정성 분말
색상
노란색
수용성
물에 불용성.
BRN
607777
InChIKey
YQYGPGKTNQNXMH-UHFFFAOYSA-N
CAS 데이터베이스
100-19-6(CAS DataBase Reference)
NIST
Acetophenone, 4'-nitro-(100-19-6)
EPA
4-Nitroacetophenone (100-19-6)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn
위험 카페고리 넘버 36-22
안전지침서 22-24/25
WGK 독일 3
RTECS 번호 AM9627000
위험 참고 사항 Harmful
HS 번호 29147090
그림문자(GHS): GHS hazard pictogramsGHS hazard pictograms
신호 어: Warning
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 GHS hazard pictograms P264, P270, P301+P310, P321, P330,P405, P501
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 GHS hazard pictograms P264, P270, P301+P312, P330, P501
예방조치문구:
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P270 이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.
P321 (…) 처치를 하시오.
P405 밀봉하여 저장하시오.
P501 ...에 내용물 / 용기를 폐기 하시오.
NFPA 704
0
1 0

4-Nitroacetophenone MSDS


1-(4-nitrophenyl)ethanone

4-Nitroacetophenone C화학적 특성, 용도, 생산

화학적 성질

The pure product is pale yellow crystal or needle crystal. Soluble in hot ethanol, ether and benzene, insoluble in water. 4-Nitroacetophenone is the raw material for the manufacture of synthomycin and chloramphenicol.

용도

4''-Nitroacetophenone is used as a reagent in the synthesis of 4-Nitroacetophenone thiosemicarbazone derivatives and their copper(II) complexes which have potential anti-trypanosomal activity in vitro. Also used as a reagent in the synthesis of (R)-(4-Nitrophenyl)oxirane (N504430) and (S)-(4-Nitrophenyl)oxirane (N504435).

정의

ChEBI: 4-nitroacetophenone is a member of the class of acetophenones that is acetophenone substituted at the para-position by a nitro group. It is a C-nitro compound and a member of acetophenones.

제조 방법

In the presence of catalyst cobalt stearate, p-nitroethylbenzene is oxidized to synthesize 4-nitroacetophenone with air at 140-150°C and 0.2MPa pressure. The reaction product is washed with water, neutralized, centrifugally dehydrated, and dried to obtain a finished product.

주요 응용

One of several alternative routes to synthetic chloroamphenicol uses 4-nitroacetophenone as starting material with a first-stage bromination to α-bromo-4-nitroacetophenone followed by buildup of the side chain. α-bromo-4-nitroacetophenone is the key precursor in the synthesis of the bronchodilator clenbuterol.

일반 설명

P-nitroacetophenone appears as yellow prisms or bright yellow powder. (NTP, 1992)

공기와 물의 반응

Insoluble in water.

반응 프로필

A nitrated ketone. Ketones are reactive with many acids and bases liberating heat and flammable gases (e.g., H2). The amount of heat may be sufficient to start a fire in the unreacted portion of the ketone. Ketones react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Ketones are incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. They react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4.

화재위험

Flash point data for 4-Nitroacetophenone are not available. 4-Nitroacetophenone is probably combustible.

Purification Methods

Crystallise the ketone from EtOH or aqueous EtOH. [Beilstein 7 IV 657.]

4-Nitroacetophenone 준비 용품 및 원자재

원자재

준비 용품


4-Nitroacetophenone 공급 업체

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