피리드니움 클로로크롬산
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피리드니움 클로로크롬산 속성
- 녹는점
- 205-208 °C(lit.)
- 저장 조건
- Inert atmosphere,Room Temperature
- 용해도
- 아세톤, 벤젠, 디클로로메탄, 아세토니트릴 및 테트라히드로푸란에 용해됩니다.
- 물리적 상태
- 결정성 분말
- 색상
- 오렌지 레드
- 색상
- 오렌지색
- 감도
- Moisture Sensitive
- Merck
- 14,7974
- BRN
- 7054643
- 노출 한도
- OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3
- 안정성
- 안정적인. 쉽게 산화되는 물질과 반응할 수 있습니다. 환원제, 가연성 물질, 금속, 강력한 환원제와 호환되지 않습니다.
- InChIKey
- LEHBURLTIWGHEM-UHFFFAOYSA-N
- CAS 데이터베이스
- 26299-14-9(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
위험품 표기 | O,T,N | ||
---|---|---|---|
위험 카페고리 넘버 | 49-8-43-50/53-20/21/22 | ||
안전지침서 | 53-45-60-61-37-24-17-44-36/37/39-22 | ||
유엔번호(UN No.) | UN 1479 5.1/PG 2 | ||
WGK 독일 | 2 | ||
TSCA | Yes | ||
위험 등급 | 5.1 | ||
포장분류 | III | ||
HS 번호 | 29333990 | ||
기존화학 물질 | KE-29948 |
피리드니움 클로로크롬산 C화학적 특성, 용도, 생산
화학적 성질
Pyridinium chlorochromate is orange crystalline powder용도
Pyridinium chlorochromate is usually used to oxidize an allylic methylene group.Oxidation of primary alcohols to aldehydes
![Oxidation of primary alcohols to aldehydes](https://www.chemicalbook.com/NewsImg/2020-03-03/20203311465819495.jpg)
Pyridinium dichromate (PDC) or pyridinium chlorochromate (PCC) in anhydrous media such as dichloromethane oxidizes primary alcohols to aldehydes while avoiding overoxidation to carboxylic acids.
화학 반응
Pyridinium chlorochromate (PCC) is a widespread used oxidation reagent but lacks of selectivity with unsaturated compounds. Furthermore, the workup procedure is quite tedious. Absorption of PCC onto silica gel improves the oxidation but then a reagent excess is necessary to reach appropriate rates. These drawbacks can be overcome by sonication leading to short reaction times and only an small excess of 1.2.-1.5 eq. of PCC is required. Using this reagent has been used to oxidise borneol to camphor in 85% yield.![Pyridinium chlorochromate Reaction](https://www.chemicalbook.com/NewsImg/2020-02-14/202021421155511714.jpg)
Purification Methods
Dry it in a vacuum for 1hour. It is not hygroscopic and can be stored for extended periods at room temperature without change. If the purity is very suspect, it can be readily prepared. [Corey & Scuggs Tetrahedron Lett 2647 1975, Piancatelli et al. Synthesis 245 1982.] (Possible CARCINOGEN.) § Available commercially on a polymer support.피리드니움 클로로크롬산 준비 용품 및 원자재
원자재
준비 용품
Tetrahydropyran-4-carbaldehyde
4-(모르폴린-4-일메틸)-1,3-티아졸-2-아민
2-[4-(트리플루오로메틸)페닐]-1,3-티아졸-4-카르발데하이드
TERT-BUTYL 4-(4-FORMYL-1,3-THIAZOL-2-YL)TETRAHYDRO-1(2H)-PYRIDINECARBOXYLATE
TERT-부틸4-(5-FORMYLPYRID-2-YL)PIPERAZINE-1-CARBOXYLATE
2,5-DIBROMONICOTINALDEHYDE
3-(2,6-디클로로페닐)-5-메틸리속사졸-4-카르발데히드
1-tert-부톡시카르보닐-4-피페리딘카르복스알데히드
1-(2,6-DIFLUOROPYRIDIN-3-YL)PROPAN-1-ONE
1,3-디메틸-1H-피라졸-5-카발데하이드
4-METHYL-2-[4-(TRIFLUOROMETHYL)PHENYL]-1,3-THIAZOLE-5-CARBALDEHYDE
N-BOC-L-Prolinal
1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBALDEHYDE
Cyclopropanecarboxaldehyde
5-BROMO-3-포르미피리딘
2-페닐-1,3-티아졸-4-카르발데히드
2,4-디페닐-1,3-티아졸-5-카르발데하이드
2-(4-Methylpiperazin-1-yl)-6-(trifluoromethyl)pyrimidine-4-carbaldehyde
3-(4-니트로-페닐)-프로피온알데히드
5-클로로인다졸-3-카르복스알데하이드
TERT-BUTYL 4-(5-FORMYL-4-METHYL-1,3-THIAZOL-2-YL)PIPERIDINE-1-CARBOXYLATE
3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBALDEHYDE
3-(2-METHOXY-PHENYL)-프로피온알데히드
3-(트리플루오로메틸)-1-페닐-1H-피라졸-4-카발데하이드
피리드니움 클로로크롬산 공급 업체
글로벌( 447)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
---|---|---|---|---|---|
Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 |
sales@capotchem.com | China | 29798 | 60 |
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21671 | 55 |
Nanjing ChemLin Chemical Industry Co., Ltd. | 025-83697070 |
product@chemlin.com.cn | CHINA | 3012 | 60 |
Shanghai Yingrui Biopharma Co., Ltd. | +86-21-33585366 - 03@ |
sales03@shyrchem.com | CHINA | 738 | 60 |
ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 |
ivan@atkchemical.com | China | 32760 | 60 |
career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29897 | 58 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 |
sales@chemdad.com | China | 39916 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 |
sales@conier.com | China | 49391 | 58 |
Richest Group Ltd | 18017061086 |
oled@richest-group.com | CHINA | 5601 | 58 |
피리드니움 클로로크롬산 관련 검색:
2-클로로-5-클로로메틸피리딘 펜타클로로피리딘 클로피돌 피리딘 크롬산 칼륨 피리디늄 디크롬산 크롬 크롬(6+) 트리산화물 피리드니움 클로로크롬산
2-Chloro-3-cyanopyridine
CHROMIUM (III) OXIDE HYDRATE
PCC ON SILICA GEL
Chromate, Ion chromatography standard solution, Specpure, CrO4ˉ2 1000μg/ml
4-(DIMETHYLAMINO)PYRIDINIUM CHLOROCHROMA TE, 97%
2,2'-BIPYRIDINIUM CHLOROCHROMATE
QUINOLINIUM CHLOROCHROMATE
Dichromate, Ion chromatography standard solution, Specpure, Cr2O7ˉ2 1000μg/ml
SI-PYRIDINIUM CHLOROCHROMATE