이소부틸벤젠
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이소부틸벤젠 속성
- 녹는점
- -51 °C (lit.)
- 끓는 점
- 170 °C/736 mmHg (lit.)
- 밀도
- 0.853 g/mL at 25 °C (lit.)
- 증기압
- 4.2 mm Hg ( 37.7 °C)
- 굴절률
- n
20/D 1.486(lit.)
- 인화점
- 131 °F
- 저장 조건
- Flammables area
- 용해도
- 물에 불용성이며 에탄올, 에테르, 벤젠 및 아세톤에 용해됩니다.
- 산도 계수 (pKa)
- >14 (Schwarzenbach et al., 1993)
- 색상
- 무색 내지 거의 무색
- 폭발한계
- 0.8-6%(V)
- 수용성
- 0.01g/L
- Merck
- 14,5134
- BRN
- 1852218
- Henry's Law Constant
- (x 10-2 atm?m3/mol): 1.09 at 25 °C (Hine and Mookerjee, 1975)
- Dielectric constant
- 2.3（Ambient）
- InChIKey
- KXUHSQYYJYAXGZ-UHFFFAOYSA-N
- LogP
- 4.8 at 23℃ and pH6
- CAS 데이터베이스
- 538-93-2(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xi,N | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 10-36/37/38-50/53 | ||
| 안전지침서 | 26-36-61-60 | ||
| 유엔번호(UN No.) | UN 3295 3/PG 3 | ||
| WGK 독일 | 3 | ||
| RTECS 번호 | DA3550000 | ||
| 자연 발화 온도 | 802 °F | ||
| 위험 등급 | 3 | ||
| 포장분류 | III | ||
| HS 번호 | 29029000 |
이소부틸벤젠 C화학적 특성, 용도, 생산
화학적 성질
Isobutyl Benzene is an organic, aromatic, neutral and colourless liquid that has a specific gravity of around 0.852. Less dense than water and insoluble in water, soluble in ethanol, ether, benzene and acetone. Vapors heavier than air.물리적 성질
Clear, colorless, liquid with an odor resembling butylbenzene, tert-butylbenzene, ethylbenzene, or toluene. An odor threshold concentration of 80 μg/kg was reported (quoted, Verschueren, 1983)용도
Isobutylbenzene is used as an intermediate for perfumery and analgesic anti-inflammatory (Ibuprofen). It is also used as an internal standard in the study of increased pigmentation and floral scent levels in Pap1-transgenic petunia.정의
ChEBI: Isobutylbenzene is an alkylbenzene that is benzene carrying an isobutyl substituent.제조 방법
Isobutylbenzene synthesis: Isobutyrophenone, underwent a Wolff–Kishner reduction using hydrazine hydrate and strong base conditions to synthesize isobutyl benzene. The solvent for this reaction was replaced with the more sustainable solvent glycerol. The glycerol for this reaction was obtained from the synthesis of biodiesel. The reaction was allowed to heat at reflux (149–155 °C) for a period of three hours. An average 51 % yield of isobutyl benzene was obtained from the solar synthesis, compared to a 55 % yield from an in-lab, electrical heating analysis.
일반 설명
Isobutylbenzene is synthesized by the isopropylation at the side chain over Na, K and Cs exchanged zeolites.위험도
Moderate fire risk. Toxic in high concentration, a skin and eye irritant.환경귀착
Biological. Oxidation of isobutylbenzene by Pseudomonas desmolytica S44B1 and Pseudomonas convexa S107B1 yielded 3-isobutylcatechol and (+)-2-hydroxy-8-methyl-6-oxononanoic acid (Jigami et al., 1975).Chemical/Physical. Complete combustion in air yields carbon dioxide and water vapor. Isobutylbenzene will not hydrolyze because it has no hydrolyzable functional group.
이소부틸벤젠 준비 용품 및 원자재
원자재
프로필렌
톨루엔
Metal catalyst
Alkali Metals, plasma standard solution, Specpure, Ba,Be,Ca,Cs,K,Li,Mg,Na,Rb,Sr, 100μg/ml
칼륨
탄산나트륨(경회)
ISOBUTYLMAGNESIUM CHLORIDE
이소프로필페닐케톤
1-이오도-2-메틸프로판
메틸(2-)-1-페닐프로펜
염화 이소뷰틸
이소부틸브로마이드
2-메틸-1-페닐-2-프로판올
Cyclohexene, 3-methylene-4-(1-methylethenyl)-
CIS-1-ISOPROPYL-4-메틸사이클로헥산
준비 용품
이소부틸벤젠 공급 업체
글로벌( 231)공급 업체
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| career henan chemical co | +86-0371-86658258 +8613203830695 |
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| Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 |
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