2-Methyl-5-vinylpyrazine, 99%
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2-Methyl-5-vinylpyrazine, 99% 속성
- 녹는점
- 65-66 °C
- 끓는 점
- 174.6±35.0 °C(Predicted)
- 밀도
- 1.017±0.06 g/cm3(Predicted)
- 저장 조건
- 2-8°C
- 산도 계수 (pKa)
- 1.34±0.10(Predicted)
- 냄새
- 커피
- ?? ??
- 커피
- JECFA Number
- 2127
- LogP
- 1.04
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
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| 유해·위험 문구: |
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| 예방조치문구: |
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2-Methyl-5-vinylpyrazine, 99% C화학적 특성, 용도, 생산
개요
May be prepared by methylation of the Mannich base obtained by reacting formaldehyde and dimethylamine with dimethyl- 2, 5-pyrazine, followed by the Hoffman degradation.출처
Reported to be present in coffee, dairy products, peanuts, filberts, potato products, asparagus, fried chicken, cocoa, toasted oats, corn tortillas and mal제조 방법
By methylation of the Mannich base obtained by reacting formaldehyde and dimethylamine with dimethyl-2,5-pyrazine, followed by the Hoffman degradation2-Methyl-5-vinylpyrazine, 99% 준비 용품 및 원자재
원자재
준비 용품
2-Methyl-5-vinylpyrazine, 99% 공급 업체
글로벌( 18)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 |
info@dycnchem.com | CHINA | 52867 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +8618058761490 |
info@gihichemicals.com | China | 50000 | 58 |
| Jilin Chinese Academy of Sciences-yanshen Technology | +undefined18143011203 |
info@chemextension.com | China | 42057 | 58 |
| Suzhou ARTK Medchem Co., Ltd. | +86-512-68323967 +86-18015559028 |
sales1@artkmedchem.com | China | 39009 | 58 |
| Amadis Chemical Company Limited | 571-89925085 |
sales@amadischem.com | China | 131981 | 58 |
| Kohn & Shawn Pharmatech Co.,Ltd | 0931-4190454 13893344397 |
sales@kyxpharma.com | China | 290 | 55 |
| Shanghai Xingui Biotechnology Co., Ltd. | 17501653713 17501653715 |
xingui2022@126.com | China | 10033 | 58 |
| Aikon International Limited | 025-66113011 18112977050 |
sales01@aikonchem.com | China | 16028 | 58 |
| Lanzhou Kangyuxin Biotechnology Co., Ltd. | 0931-4190454 13893344397 |
sales@kyxpharma.com | China | 2322 | 58 |
| Jiangsu aikang biomedical research and development co., LTD | 025-66110311 13155353615 |
qzhang@aikonchem.com | China | 15527 | 58 |