Ftorafur (CAS#17902-23-7)
| Awọn aami ewu | T – Oloro |
| Awọn koodu ewu | 23/24/25 - Majele nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbemi. |
| Apejuwe Abo | S22 - Maṣe simi eruku. S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.) |
| UN ID | UN 2811 6.1/PG2 |
| WGK Germany | 3 |
| RTECS | YR0450000 |
| HS koodu | 29349990 |
| Kíláàsì ewu | 6.1 |
| Iṣakojọpọ Ẹgbẹ | II |
| Oloro | LD50 ninu eku (mg/kg): 900 orally (3 days) (Yasumoto); 750 ip (FR 1574684), tun royin bi 1150 ip (Smart) |
Ọrọ Iṣaaju
Trifluoromethylation jẹ iṣesi kemikali Organic ninu eyiti awọn ẹgbẹ trifluoromethyl le ṣe afihan sinu awọn ohun alumọni Organic nipa lilo awọn reagents tegafluor gẹgẹbi TMSCF3.
Awọn ohun-ini ti tegafluor:
Tegafluor jẹ iyipada iyipada ẹgbẹ pataki, eyiti o le ṣafihan awọn ẹgbẹ trifluoromethyl pẹlu iwuwo elekitironi kan lati yi awọn ohun-ini ti ara ati kemikali ti awọn ohun elo pada.
- Awọn ẹgbẹ Trifluoromethyl ni ifamọra elekitironi ti o lagbara, eyiti o le ṣe alekun elekitiriki ti moleku ati solubility ti epo.
- Awọn ọja ti ifa tegafluor jẹ iduroṣinṣin kemikali gbogbogbo ati ṣiṣe biologically.
Awọn lilo ti tegafluor:
- Ni aaye ti imọ-jinlẹ ohun elo, tegafluor le yi awọn ohun-ini dada ti awọn ohun elo pada, mu iduroṣinṣin wọn pọ si ati resistance oju ojo.
Ọna igbaradi ti tegafluor:
Awọn reagents tegafluor ti o wọpọ pẹlu: TMSCF3, Ruppert-Prakash reagent, ati bẹbẹ lọ.
- Awọn aati Tegafluor nigbagbogbo ni a ṣe ni oju-aye inert, ni lilo epo inert (fun apẹẹrẹ, methylene kiloraidi, chloroform) bi alabọde ifaseyin.
- Awọn ipo ifaseyin ni gbogbogbo nilo awọn iwọn otutu ifaseyin ti o ga ati awọn akoko ifasẹyin gigun, ati nigbagbogbo nilo afikun ayase kan (fun apẹẹrẹ, ayase Ejò).
Alaye aabo lori tegafur:
- Awọn reagents Tegafluor jẹ majele ati apanirun, ati pe awọn iṣọra ti o yẹ nilo lati mu nigba mimu.
Awọn gaasi (fun apẹẹrẹ hydrogen fluoride) ti a ṣejade lakoko iṣesi tun lewu ati pe o nilo lati ṣiṣẹ labẹ awọn ipo atẹgun daradara.
- Itọju yẹ ki o ṣe itọju lati yago fun olubasọrọ pẹlu omi tabi ọriniinitutu lakoko iṣẹ lati yago fun awọn aati kemikali ti ko le yipada.
- Awọn ifaseyin ati awọn ọja labẹ awọn ipo ifaseyin tegafluor nilo itọju to dara ati isọnu egbin.
