Benzoyl chloride CAS 98-88-4
Hadari da Tsaro
| Alamomin haɗari | C - Mai lalacewa |
| Lambobin haɗari | R34 - Yana haifar da konewa R43 - Yana iya haifar da hankali ta hanyar saduwa da fata R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi. |
| Bayanin Tsaro | S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita. S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.) S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska. |
| ID na UN | UN 1736 8/PG 2 |
| WGK Jamus | 1 |
| RTECS | Saukewa: DM6600000 |
| Farashin TSCA | Ee |
| HS Code | 29310095 |
| Bayanin Hazard | Lalata |
| Matsayin Hazard | 8 |
| Rukunin tattarawa | II |
| Gabatarwa | benzoyl chloride (CAS98-88-4) wanda kuma aka sani da benzoyl chloride, benzoyl chloride, mallakar wani irin acid chloride. Ruwa mai walƙiya mara launi marar launi, fallasa hayaƙin iska. Kayayyakin masana'antu tare da rawaya mai haske, tare da wari mai banƙyama. Tururi a kan mucosa na ido, fata da na numfashi yana da tasiri mai tasiri mai karfi, ta hanyar ƙarfafa mucosa na ido da hawaye. Benzoyl chloride shine matsakaici mai mahimmanci don shirye-shiryen rini, kamshi, peroxides na Organic, magunguna da resins. An kuma yi amfani da shi wajen daukar hoto da kuma samar da tannins na wucin gadi, kuma an yi amfani da shi a matsayin mai kara kuzari a yakin sinadarai. Hoto na 1 shine tsarin tsarin benzoyl chloride |
| hanyar shiri | a cikin dakin gwaje-gwaje, ana iya samun benzoyl chloride ta hanyar distilling benzoic acid da phosphorus pentachloride a ƙarƙashin yanayin rashin ruwa. Ana iya samun hanyar shirye-shiryen masana'antu ta amfani da thionyl chloride da benzaldehyde chloride. |
| nau'in haɗari | nau'in haɗari don benzoyl chloride: 8 |
| Amfani | benzoyl chloride matsakaici ne na oxazinone na herbicide, kuma shine matsakaicin benzenecapid na kwari, mai hana hydrazine. Ana amfani da benzoyl chloride azaman albarkatun ƙasa don haɓakar kwayoyin halitta, dyes da magunguna, kuma azaman mai ƙaddamarwa, dibenzoyl peroxide, tert-butyl peroxide, herbicide pesticide, da sauransu. , Karphos) matsakaita. Hakanan yana da mahimmancin benzoylation da benzylation reagent. Yawancin benzoyl chloride ana amfani dashi don samar da benzoyl peroxide, sannan kuma samar da benzophenone, benzyl benzoate, benzyl cellulose da benzamide da sauran mahimman kayan albarkatun sinadarai, benzoyl peroxide don ƙaddamar da polymerization na monomer filastik, polyester, epoxy, mai haɓaka ga resin acrylic. samar, kai coagulant ga gilashin fiber abu, crosslinking wakili ga silicone fluororubber, mai tacewa, gari bleaching, fiber decolorization, da dai sauransu. Bugu da ƙari, ana iya mayar da benzoic acid tare da benzoyl chloride don samar da benzoic anhydride. Babban amfani da benzoic anhydride shine a matsayin wakili na acylating, a matsayin wani ɓangare na wakili na bleaching da juyi, kuma a cikin shirye-shiryen benzoyl peroxide. amfani da matsayin nazari reagents, kuma ana amfani da kayan yaji, Organic kira |
| hanyar samarwa | 1. Hanyar toluene albarkatun albarkatun toluene da chlorine a cikin haske a ƙarƙashin yanayin amsawa, chlorination na gefe don samar da α-trichlorotoluene, na karshen a cikin acidic matsakaici hydrolysis don samar da benzoyl chloride, da kuma saki hydrogen chloride gas (samar da ruwa sha). HCl gas). 2. Benzoic acid da phosgene dauki. Ana sanya benzoic acid a cikin tukunyar photochemical, mai zafi da narke, kuma an gabatar da phosgene a 140-150 ℃. Gas ɗin wutsiya na amsawa ya ƙunshi hydrogen chloride da phosgene wanda ba a yi amfani da shi ba, wanda aka bi da shi tare da alkali kuma an fitar da shi, zafin jiki a ƙarshen abin da ya faru shine -2-3 ° C, kuma samfurin yana raguwa a ƙarƙashin matsa lamba bayan aikin cire gas. Samfuran masana'antu ruwa ne masu bayyana launin rawaya. Tsafta ≥ 98%. Raw kayan amfani keɓaɓɓen: benzoic acid 920kg/t, phosgene 1100kg/t, dimethylformamide 3kg/t, ruwa Alkali (30%)900kg/t. Yanzu yadu amfani a masana'antu na benzoic acid da benzylidene chloride dauki shiri. Hakanan ana iya samun benzoyl chloride ta hanyar chlorination na benzaldehyde kai tsaye. Akwai hanyoyin shirye-shirye da yawa. (1) Ana dumama acid din benzoic kuma ana narkewa ta hanyar hanyar phosgene, kuma ana gabatar da phosgene a 140 ~ 150 ℃, kuma an gabatar da wani adadin phosgene don isa ƙarshen. Ana amfani da phosgene ta hanyar nitrogen, kuma iskar gas ɗin wutsiya tana sha kuma an lalata shi, an samo samfurin ƙarshe ta hanyar distillation a ƙarƙashin matsa lamba. (2) hanyar phosphorus trichloride benzoic acid narkar da toluene da sauran kaushi, Phosphorus trichloride an kara dropwise, da kuma dauki da dauki na da yawa sa'o'i bayan faduwa, toluene da aka distilled kashe, sa'an nan da gama samfurin aka distilled. (3) trichloromethylbenzene Hanyar zuwa toluene gefen sarkar chlorination, sa'an nan hydrolysis samfurin. |
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