2-Methylpiperazine
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2-Methylpiperazine ??
- ???
- 61-63 °C (lit.)
- ?? ?
- 155 °C/763 mmHg (lit.)
- ??
- 0.817 g/cm
- ???
- 1.4378 (estimate)
- ???
- 149 °F
- ?? ??
- Keep in dark place,Inert atmosphere,Room temperature
- ???
- 435g/l
- ?? ?? (pKa)
- pK1:5.62(+2);pK2:9.60(+1) (25°C)
- ??? ??
- ??? ??, ?? ?/?? ???
- ??
- ???? ?????
- ??????(pH)
- 11-12 (50g/l, H2O)
- ???
- 78g/100mL(25℃)
- ??
- Air Sensitive & Hygroscopic
- BRN
- 383566
- Henry's Law Constant
- 5.0×103 mol/(m3Pa) at 25℃, Nguyen (2013)
- InChI
- 1S/C5H12N2/c1-5-4-6-2-3-7-5/h5-7H,2-4H2,1H3
- InChIKey
- JOMNTHCQHJPVAZ-UHFFFAOYSA-N
- SMILES
- CC1CNCCN1
- CAS ??????
- 109-07-9(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | F,Xi | ||
|---|---|---|---|
| ?? ???? ?? | 11-36/37/38 | ||
| ????? | 16-26-36/37/39-36 | ||
| ????(UN No.) | UN 1325 4.1/PG 2 | ||
| WGK ?? | 2 | ||
| RTECS ?? | TM1225020 | ||
| F ?????? | 10 | ||
| TSCA | TSCA listed | ||
| ?? ?? | 4.1 | ||
| ???? | III | ||
| HS ?? | 29339900 | ||
| ???? ??? | 4.1B - Flammable solid hazardous materials | ||
| Hazard Classifications | Eye Dam. 1 Flam. Sol. 1 Skin Corr. 1B |
2-Methylpiperazine C??? ??, ??, ??
??? ??
white to yellow crystalline powder and chunksPurification Methods
Purify it by zone melting and by distillation. It is hygroscopic. The picrate has m 275-276o. [Beilstein 23 II 16, 23 III/IV 393, 23/3 V 267.]2-Methylpiperazine ?? ?? ? ???
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?? ??
2-Methylpiperazine ?? ??
???( 468)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Shandong Believe Chemical PTE.LTD | +86-18553607090 +8618553607090 |
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| career henan chemical co | +86-0371-86658258 +8613203830695 |
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2-Methylpiperazine ?? ??:
1-????????? ???? ???? ????? 2,5-??????? N-?????? ??-3-?????? ??(2-)-3-?????? 2,3-?????? ???????? 2-???-3-????? 1-???-4-??????
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