6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine
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6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine 속성
- 녹는점
- 121-123 °C
- 끓는 점
- 96-99 °C20 mm Hg(lit.)
- 밀도
- 1.055 g/mL at 25 °C(lit.)
- 굴절률
- n
20/D 1.527(lit.)
- 인화점
- 174 °F
- 저장 조건
- Inert atmosphere,Room Temperature
- 산도 계수 (pKa)
- 1.85±0.40(Predicted)
- 물리적 상태
- 투명한 액체
- 색상
- Colorless to Light yellow to Light orange
- 냄새
- 고소하고 구운 냄새
- ?? ??
- 땅의
- 수용성
- 불용성
- JECFA Number
- 781
- InChIKey
- YZEFQPIMXZVPKP-UHFFFAOYSA-N
- LogP
- 1.33
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xi | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 36/37/38 | ||
| 안전지침서 | 26-36/37/39 | ||
| WGK 독일 | 3 | ||
| TSCA | Yes | ||
| HS 번호 | 29339900 |
6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine C화학적 특성, 용도, 생산
개요
5H-5-Methyl-6,7-dihydrocyclopenta(-b)pyrazine has an earthy, baked potato, peanut, roasted odor. It may be prepared from condensation of 2-hydroxy-3-methyl-2-cyclopentene-l-one and ethylene diamine; by condensing a cyclopentenolone with alkylenediamines, or alternatively, an aliphatic α-diketone with 1,2-diamino cyclopentane; the resulting product is dehydrogenated in the presence of palladium over activated charcoal or copper chromite.화학적 성질
clear yellow to yellow-orange to brown liquid출처
Reported found in peanuts, filberts, asparagus, potato wheat and rye bread, cooked beef, pork, pork liver, beer, cocoa, coffee, green tea, barley, filberts, almond, sesame seed, malt and wort용도
5-Methyl-6,7-dihydrocyclopentapyrazine can be used for drug storage packaging and antibacterial composition.제조 방법
From condensation of 2-hydroxy-3-methyl-2-cyclopentene-1-one and ethylene diamine; by condensing a cyclopentenolone with alkylenediamines, or alternatively, and aliphatic α-diketone with 1,2-diamino cyclopentane; the resulting product is dehydrogenated in the presence of palladium over activated charcoal or copper chromite.일반 설명
5H-5-Methyl-6,7-dihydrocyclopenta[b]pyrazine is the major flavor compound of palm sugar. It is also found in coffee and cooked meat.6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine 준비 용품 및 원자재
원자재
준비 용품
6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine 공급 업체
글로벌( 195)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 |
info@fdachem.com | China | 20365 | 58 |
| career henan chemical co | +86-0371-86658258 |
sales@coreychem.com | China | 29914 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
| Xiamen AmoyChem Co., Ltd | +86-592-6051114 +8618959220845 |
sales@amoychem.com | China | 6387 | 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 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569266 15319487004 |
1015@dideu.com | China | 2263 | 58 |
| Neostar United (Changzhou) Industrial Co., Ltd. | +86-519-519-85557386 |
marketing1@neostarunited.com | China | 13172 | 58 |
| SIMAGCHEM CORP | +86-13806087780 |
sale@simagchem.com | China | 17367 | 58 |
| Hebei Binshare New Material Co. Ltd | +8618633865755 |
china01@hbbinshare.com | CHINA | 969 | 58 |