Benzotrifluoride (CAS# 98-08-8)
Ewu ati Aabo
| Awọn koodu ewu | R45 - Le fa akàn R46 - Le fa hertable jiini bibajẹ R11 - Gíga flammable R36 / 38 - Irritating si oju ati awọ ara. R48/23/24/25 - R65 – Ipalara: Le fa ibaje ẹdọfóró ti o ba gbe mì R51/53 - Majele si awọn oganisimu omi, le fa awọn ipa buburu igba pipẹ ni agbegbe omi. R39/23/24/25 - R23 / 24/25 - Majele nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe. R48/20/22 - R40 - Ẹri to lopin ti ipa carcinogenic R38 - Irritating si awọ ara R22 – Ipalara ti o ba gbe |
| Apejuwe Abo | S53 – Yago fun ifihan – gba awọn ilana pataki ṣaaju lilo. S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara. S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.) S62 – Ti o ba gbemi, maṣe fa eebi; wa imọran iṣoogun lẹsẹkẹsẹ ki o ṣafihan apoti yii tabi aami. S61 – Yago fun itusilẹ si ayika. Tọkasi awọn ilana pataki / awọn iwe data aabo. S23 – Maṣe simi oru. S16 – Jeki kuro lati awọn orisun ti iginisonu. |
| UN ID | UN 2338 3/PG 2 |
| WGK Germany | 3 |
| RTECS | XT9450000 |
| TSCA | Bẹẹni |
| HS koodu | 29049090 |
| Akọsilẹ ewu | Flammable/Ibajẹ |
| Kíláàsì ewu | 3 |
| Iṣakojọpọ Ẹgbẹ | II |
| Oloro | LD50 ẹnu ni Ehoro: 15000 mg/kg LD50 dermal Rat> 2000 mg/kg |
Alaye
| igbaradi | toluene trifluoride jẹ agbedemeji Organic, eyiti o le gba lati toluene gẹgẹbi ohun elo aise nipasẹ chlorination ati lẹhinna fluorination. Ni igbesẹ akọkọ, chlorine, toluene ati ayase ni a dapọ fun iṣesi chlorination; Awọn iwọn otutu lenu chlorination je 60 ℃ ati awọn lenu titẹ wà 2Mpa; Ni ipele keji, hydrogen fluoride ati ayase ni a fi kun si adalu iyọ ni ipele akọkọ fun ifura fluorination; Awọn fluorination lenu otutu je 60 ℃ ati awọn lenu titẹ wà 2MPa; Ni igbesẹ kẹta, adalu lẹhin ifasilẹ fluorination keji ti wa labẹ itọju atunṣe lati gba trifluorotoluene. |
| nlo | nlo: fun iṣelọpọ awọn oogun, awọn awọ, ati lilo bi oluranlowo imularada, awọn ipakokoropaeku, ati bẹbẹ lọ. trifluoromethylbenzene jẹ agbedemeji pataki ni kemistri fluorine, eyiti o le ṣee lo lati ṣeto awọn herbicides bii fluuron, fluralone, ati pyrifluramine. O tun jẹ agbedemeji pataki ni oogun. agbedemeji oogun ati dai, epo. Ati pe a lo bi oluranlowo imularada ati iṣelọpọ epo idabobo. intermediates fun Organic kolaginni ati dyes, oloro, curing òjíṣẹ, accelerators, ati fun awọn manufacture ti insulating epo. O le ṣee lo fun ipinnu iye calorific ti idana, igbaradi ti oluranlowo ina pa ina lulú, ati aropo ṣiṣu fọtodegradable. |
| gbóògì ọna | 1. Ti o wa lati ibaraenisepo ti ω, ω, ω-trichlorotoluene pẹlu fluoride hydrogen anhydrous. Iwọn molar ti ω, ω, ω-trichlorotoluene si anhydrous hydrogen fluoride jẹ 1: 3.88, ati pe a ṣe iṣeduro ni iwọn otutu ti 80-104 ° C. Labẹ titẹ ti 1.67-1.77MPA fun wakati 2-3. Ikore jẹ 72.1%. Nitori fluoride hydrogen anhydrous jẹ olowo poku ati rọrun lati gba, ohun elo rọrun lati yanju, ko si irin pataki, idiyele kekere, o dara fun iṣelọpọ. Ti o wa lati ibaraenisepo ti ω,ω,ω-toluene trifluoride pẹlu antimony trifluoride. Awọn ω ω ω trifluorotoluene ati antimony trifluoride ti wa ni kikan ati distilled ninu ikoko ifaseyin, ati pe distillate jẹ trifluoromethylbenzene robi. A ti fo adalu naa pẹlu 5% hydrochloric acid, ti o tẹle pẹlu 5% iṣuu soda hydroxide ojutu, ati ki o gbona fun distillation lati gba ida 80-105 °c. Omi Layer oke ni a yapa, ati omi Layer isalẹ ti gbẹ pẹlu kalisiomu kiloraidi anhydrous ati ti a ṣe iyọ lati gba trifluoromethylbenzene. Ikore jẹ 75%. Ọna yii n gba antimonide, idiyele naa ga julọ, ni gbogbogbo nikan ni awọn ipo yàrá ni lilo irọrun diẹ sii. Ọna igbaradi ni lati lo toluene bi ohun elo aise, akọkọ lo gaasi chlorine ni iwaju chlorination ẹgbẹ ayase lati gba α,α, α-trichlorotoluene, ati lẹhinna fesi pẹlu hydrogen fluoride lati gba ọja naa. |
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