Benzoyl chloride CAS 98-88-4
Ihe ize ndụ na Nchekwa
| Akara egwu | C - Na-emebi emebi |
| Koodu ihe egwu | R34 - Na-akpata ọkụ R43 - nwere ike ịkpata uche site na kọntaktị akpụkpọ R20/21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya. |
| Nkọwapụta nchekwa | S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike. S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.) S36 / 37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu. |
| NJ UN | UN 1736 8/PG 2 |
| WGK Germany | 1 |
| RTECS | DM6600000 |
| TSCA | Ee |
| Koodu HS | 29310095 |
| Ihe edeturu egwu | Na-emebi emebi |
| Klas Hazard | 8 |
| Otu nkwakọ ngwaahịa | II |
| Okwu mmalite | benzoyl chloride (CAS98-88-4) nke a makwaara dị ka benzoyl chloride, benzoyl chloride, nke nwere ụdị acid chloride. Mmiri mmiri na-enwu ọkụ na-enweghị agba dị ọcha, ikpughe anwụrụ ọkụ ikuku. Ngwaahịa ụlọ ọrụ na-acha odo odo, na-esi ísì siri ike. Vapor na anya mucosa, akpụkpọ anụ na akụkụ okuku ume na-enwe mmetụta na-akpali akpali siri ike, site na-akpali akpali anya mucosa na akwa. Benzoyl chloride bụ ihe dị mkpa n'etiti maka nkwadebe nke e ji esiji ákwà, fragrances, organic peroxides, pharmaceuticals na resins. A na-ejikwa ya na foto na mmepụta nke tannins, ma jiri ya mee ihe dị ka gas na-akpali akpali na agha kemịkal. Ọgụgụ 1 bụ usoro nhazi nke benzoyl chloride |
| usoro nkwadebe | N'ime ụlọ nyocha, enwere ike nweta benzoyl chloride site n'ịkwasa benzoic acid na phosphorus pentachloride n'okpuru ọnọdụ enweghị mmiri. Enwere ike nweta usoro nkwadebe ụlọ ọrụ site na iji thionyl chloride na benzaldehyde chloride. |
| ngalaba ihe egwu | Otu ihe egwu maka benzoyl chloride: 8 |
| Jiri | benzoyl chloride bụ etiti nke ahịhịa ahịhịa oxazinone, ma bụrụkwa nke etiti benzenecapid ụmụ ahụhụ, hydrazine inhibitor. A na-eji benzoyl chloride mee ihe dị ka akụrụngwa maka njikọ organic, agbaji na ọgwụ, yana dị ka onye mmalite, dibenzoyl peroxide, tert-butyl peroxide, pesticide herbicide, wdg N'ihe banyere pesticides, bụ ụdị ọhụrụ nke inducible ụmụ ahụhụ isoxazole thiophos (isoxathon). , Karphos) etiti. Ọ bụkwa ihe dị mkpa benzoylation na benzylation reagent. Ọtụtụ n'ime benzoyl chloride na-eji na-emepụta benzoyl peroxide, sochiri mmepụta nke benzophenone, benzyl benzoate, benzyl cellulose na benzamide na ndị ọzọ dị mkpa chemical akụrụngwa, benzoyl peroxide maka polymerization initiator nke plastic monomer, polyester, epoxy, na-akpali maka acrylic resin. mmepụta, onwe-coagulant maka iko eriri ihe onwunwe, crosslinking gị n'ụlọnga maka silicone fluororubber, mmanụ refining, ntụ ọka bleaching, fiber decolorization, wdg. Tụkwasị na nke ahụ, a pụrụ iji benzoyl chloride meghachi omume benzoic acid iji mepụta benzoic anhydride. Isi ojiji nke benzoic anhydride bụ ihe acylating, dị ka akụkụ nke ịcha ọcha na flux, yana kwa na nkwadebe nke benzoyl peroxide. eji dị ka analytical reagents, na-eji ngwa nri, organic njikọ |
| usoro mmepụta | 1. Toluene usoro akụrụngwa toluene na chlorine na ìhè n'okpuru ọnọdụ mmeghachi omume, n'akụkụ yinye chlorination na-emepụta α-trichlorotoluene, nke ikpeazụ na acidic ọkara hydrolysis na-emepụta benzoyl chloride, na ntọhapụ nke hydrogen chloride gas (mmepụta nke mmiri absorption). nke HCl gas). 2. Benzoic acid na mmeghachi omume phosgene. A na-etinye benzoic acid n'ime ite photochemical, kpoo ọkụ ma gbazee, na-ewebata phosgene na 140-150 ℃. Ihe mmeghachi omume ọdụ gas nwere hydrogen chloride na phosgene a na-emeghị eme, nke a na-emeso ya na alkali na ikuku, okpomọkụ na njedebe nke mmeghachi omume bụ -2-3 Celsius C, na ngwaahịa ahụ na-agbanye n'okpuru nrụgide belata mgbe arụ ọrụ mwepụ gas gasịrị. Ngwaahịa ụlọ ọrụ bụ mmiri mmiri na-acha odo odo. Ịdị ọcha ≥ 98%. Oke oriri ihe oriri: benzoic acid 920kg/t, phosgene 1100kg/t, dimethylformamide 3kg/t, mmiri mmiri alkali (30%)900kg/t. Ugbu a a na-ejikarị eme ihe na ụlọ ọrụ nke benzoic acid na benzylidene chloride mmeghachi omume nkwadebe. Enwere ike nweta Benzoyl chloride site na chlorination nke benzaldehyde ozugbo. Enwere ụzọ nkwadebe dị iche iche. (1) A na-ekpo ọkụ benzoic acid ma gbazee site na usoro phosgene, a na-ebute phosgene na 140 ~ 150 ℃, na-ewebata ụfọdụ phosgene ka ọ ruo na njedebe. A na-ebugharị phosgene site na nitrogen, na ọdụ gas na-etinye obi ma bibie ya, a na-enweta ngwaahịa ikpeazụ site na distillation n'okpuru nrụgide belatara. (2) Phosphorus trichloride usoro benzoic acid gbasasịa na toluene na ihe mgbaze ndị ọzọ, Phosphorus trichloride na-agbakwunye dropwise, a na-eme mmeghachi omume ahụ ruo ọtụtụ awa mgbe ọ dasịrị, a na-ewepụ toluene ahụ, mgbe ahụ, a na-ewepụ ngwaahịa ahụ. (3) trichloromethylbenzene usoro ka toluene n'akụkụ yinye chlorination, na mgbe ahụ hydrolysis ngwaahịa. |
Dee ozi gị ebe a ziga anyị ya
