2,5-Dimethylpyridine
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2,5-Dimethylpyridine 속성
- 녹는점
- −15 °C(lit.)
- 끓는 점
- 157 °C(lit.)
- 밀도
- 0.926 g/mL at 25 °C(lit.)
- 증기압
- 2.4 mm Hg ( 20 °C)
- 굴절률
- n
20/D 1.499(lit.)
- 인화점
- 118 °F
- 물리적 상태
- 투명한 액체
- 산도 계수 (pKa)
- 6.4(at 25℃)
- 색상
- Colorless to Light orange to Yellow
- 수용성
- 77g/L(23ºC)
- 감도
- Hygroscopic
- LogP
- 1.708 (est)
- CAS 데이터베이스
- 589-93-5(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xn,F,Xi | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 10-20/21/22-36/37/38 | ||
| 안전지침서 | 16-26-36/37/39-45 | ||
| 유엔번호(UN No.) | UN 1993 3/PG 3 | ||
| WGK 독일 | 3 | ||
| RTECS 번호 | OK9625000 | ||
| 위험 등급 | 3.2 | ||
| 포장분류 | III | ||
| HS 번호 | 2933399990 |
2,5-Dimethylpyridine C화학적 특성, 용도, 생산
용도
2,5-Lutidine was used to displace CO from the haem iron.일반 설명
The FT-IR and FT-Raman spectra of 2,5-lutidine was studied.Purification Methods
Steam distil the lutidine from a solution containing 1-2 equivalents of 20% H2SO4 until about 10% of the base has been carried over with the non-basic impurities, then the acidic solution is made alkaline, and the base is separated, dried with NaOH and fractionally distilled twice. Dry the distillate with Na and fractionally distil it through a Todd column (p 11) packed with glass helices. The hydrochloride has m 219o(dec), and the picrate has m 170.5o (from EtOH or H2O). [Beilstein 20 H 244, 20 II 160, 20 III/IV 2774, 20/6 V 27.]2,5-Dimethylpyridine 준비 용품 및 원자재
원자재
에틸알코올
수산화칼륨
탄산 칼륨
니켈
나트륨
포스포러스옥시클로라이드
메틸말론산디에틸에스테르
염산
3-Amino-2-butenoic acid ethyl ester
메틸알콜
3-acetyldihydro-5-methylfuran-2(3H)-one
2,5-dimethylpyridine 1-oxide
준비 용품
2,5-Dimethylpyridine 공급 업체
글로벌( 141)공급 업체
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