(5H)-5-Methyl-6-7-dihydro-cyclopenta(b)pyrazine (CAS#23747-48-0)
| Awọn aami ewu | Xi - Irritant |
| Awọn koodu ewu | 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. |
| WGK Germany | 3 |
| TSCA | Bẹẹni |
| HS koodu | 29339900 |
Ọrọ Iṣaaju
5-Methyl-6,7-dihydro-5H-cyclopentapyrazine. O jẹ okuta kristali funfun ti o lagbara ti o dabi okuta gara tabi lulú ni irisi. Nkan naa jẹ iduroṣinṣin ni iwọn otutu yara, ṣugbọn diėdiė decomposes labẹ iṣe ti iwọn otutu giga, ina tabi atẹgun.
5-Methyl-6,7-dihydro-5H-cyclopentapyrazine ni ọpọlọpọ awọn ohun elo. O jẹ ipakokoro ti o munadoko ti a lo ninu ogbin lati ṣakoso idagbasoke ati ẹda ti awọn ajenirun.
Awọn ọna akọkọ meji wa lati mura 5-methyl-6,7-dihydro-5H-cyclopentapyrazine. Ọkan ni a gba nipasẹ ifaseyin condensation ti N-methylpyrazine, ati lẹhinna iṣesi hydrogenation ni a ṣe lati gba ọja ibi-afẹde. Awọn miiran ti wa ni sise nipasẹ awọn ifoyina ati idinku lenu ti 5-benzoyl-6,7-dihydro-5H-cyclopentapyrazine.
Alaye Aabo: 5-Methyl-6,7-dihydro-5H-cyclopentapyrazine jẹ nkan oloro. O le ni ipa irritating lori aifọkanbalẹ ara ati awọn ọna atẹgun ati pe o jẹ ibinu si awọ ara ati oju. Awọn ọna aabo ti ara ẹni ti o yẹ gẹgẹbi wọ aṣọ oju aabo, awọn ibọwọ ati awọn apata oju ni a nilo lakoko iṣẹ. Nkan naa nilo lati wa ni ipamọ sinu apo ti afẹfẹ, kuro lati ina ati awọn oxidants. Nigbati o ba n mu nkan na, eruku ati aerosols yẹ ki o yago fun, ati ifasimu ati ifarakan ara yẹ ki o yago fun. Ti ifihan ba waye, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa itọju ilera. Nigba mimu ati lilo 5-methyl-6,7-dihydro-5H-cyclopentapyrazine, farabalẹ tẹle awọn ilana aabo ti o yẹ.
