Ethyl 4 4-difluorovalerate (CAS # 659-72-3)
| Awọn aami ewu | Xn – ipalara |
| Awọn koodu ewu | R10 - flammable R18 – Ni lilo le dagba flammable / ibẹjadi oru-air adalu R20/22 - ipalara nipasẹ ifasimu ati ti o ba gbe. R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | 26 - Ni irú ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ati ki o wa imọran iwosan. |
| UN ID | UN 3272 3 / PGIII |
| WGK Germany | 3 |
Ọrọ Iṣaaju
Ethyl 4,4-difluoropentanoate, kemikali agbekalẹ C6H8F2O2, jẹ ẹya Organic yellow. Atẹle ni apejuwe ti iseda rẹ, lilo, igbaradi ati alaye ailewu:
Iseda:
-Irisi: omi ti ko ni awọ
-Molecular àdánù: 146.12g / mol
-Poiling Point: 142-143°C
-iwuwo: 1.119 g/ml
-Solubility: Soluble ni Organic solvents, insoluble in water
-Iduroṣinṣin: iduroṣinṣin, ṣugbọn ifaragba si ina, ooru, oxidants ati acids
Lo:
-Ethyl 4,4-difluoropentanoate jẹ agbedemeji iṣelọpọ Organic pataki, eyiti o ni ọpọlọpọ awọn ohun elo ni awọn aaye oogun, ipakokoropaeku ati ile-iṣẹ dye. O le ṣee lo bi iṣaju fun iṣelọpọ ti awọn oogun, awọn ipakokoropaeku ati awọn awọ, ati fun igbaradi ti awọn agbo ogun Organic miiran.
- 4,4-difluoropentanoic acid ethyl ester le ṣee lo bi epo, reagent esterification ati ayase ni iṣelọpọ Organic.
Ọna Igbaradi:
Igbaradi ti ethyl 4,4-difluoropentanoate ni gbogbogbo nipasẹ awọn igbesẹ wọnyi:
1. Ni akọkọ, pentanoic acid ti ṣe atunṣe pẹlu sulfur difluoride lati gba 4,4-difluoropentanoic acid.
2.4,4-difluoropentanoic acid lẹhinna fesi pẹlu ethanol labẹ awọn ipo ekikan lati ṣe ipilẹṣẹ ethyl 4,4-difluoropentanoate.
Alaye Abo:
- 4,4-difluoropentanoic acid ethyl ester jẹ olomi flammable, ibi ipamọ ati iṣẹ yẹ ki o san ifojusi lati yago fun ina ati ina.
-lilo yẹ ki o wọ awọn gilaasi aabo ati awọn ibọwọ, yago fun olubasọrọ pẹlu awọ ara ati ifasimu ti oru rẹ.
-Ṣiṣẹ ni agbegbe ti o ni afẹfẹ daradara lati yago fun titẹ si eto atẹgun.
-Ti o ba fi ọwọ kan lairotẹlẹ tabi mu nipasẹ aṣiṣe, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa itọju ilera lẹsẹkẹsẹ.
