4-nitroluene; p-nitroluene
Ozi bụ isi:
Aha bekee:4-Nitrotoluene;
Nọmba CAS: 99-99-0
Usoro ihe omimi: C7H7NO2
Arọ molikula: 137.14
Nọmba EINECS: 202-808-0
Usoro nhazi:
Ụdị njikọ: Organic chemical raw material; Ngwakọta nitro; Ọkara pesticide.
Ebe mgbaze: 52-54C (ọkụ)
Ebe a na-esi esi: 238C (ọkụ)
Njupụta: 1.392 g/mL na 25 Celsius (ọkụ)
Ntụgharị ntụgharị: n20/D 1.5382
Ebe ọkụ ọkụ: 223 °F
Solubility: enweghị ike soluble na mmiri, soluble na ethanol, ether na benzene.
Njirimara: kristal hexagonal rhombic na-acha odo odo.
Nrụgide ikuku: 5 mm Hg (85 Celsius)
| Specification | Unit | Standard |
| Ọdịdị | Yellow siri ike | |
| Isi ọdịnaya | % | ≥99.0% |
| Mmiri | % | ≤0.1 |
Ọ bụ ihe dị mkpa kemịkalụ akụrụngwa, nke a na-ejikarị dị ka etiti nke pesticide, ihe esijiji, ọgwụ, plastik na ihe enyemaka eriri sịntetik. Dị ka herbicide chloromyron, wdg, nwekwara ike rụpụta p-toluidine, p-nitrobenzoic acid, p-nitrotoluene sulfonic acid, 2-chloro-4-nitrotoluene, 2-nitro-4-methylaniline, dinitrotoluene na na.
Usoro nkwadebe bụ ịgbakwunye toluene na reactor nitrification, mee ka ọ dị jụụ n'okpuru 25 ℃, gbakwunye acid a gwakọtara (nitric acid 25% ~ 30%, sulfuric acid 55% ~ 58% na mmiri 20% ~ 21%), okpomọkụ. na-ebili, gbanwee okpomọkụ ka ọ ghara ịgafe 50 ℃, nọgide na-akpali maka 1 ~ 2 awa iji kwụsị mmeghachi omume, guzo maka 6h, na-emepụta nitrobenzene nkewa, ịsa, alkali ịsacha, na na. Akwụkwọ kemịkalụ crude nitrotoluene nwere o-nitrotoluene, p-nitrotoluene na m-nitrotoluene. A na-ewepụ nitrotoluene crude n'ime oghere, ọtụtụ n'ime o-nitrotoluene kewapụrụ, akụkụ fọdụrụnụ nke nwere ihe p-nitrotoluene ndị ọzọ na-ekewa site na ikuku distillation, na p-nitrotoluene na-enweta site na jụrụ oyi na crystallization, na meta-nitrobenzene nwetara meta-nitrobenzene. site distillation mgbe nchịkọta na nne mmanya n'oge nkewa nke para.
drum galvanized 200kg / drum; Nkwakọ ngwaahịa dị ka ihe ndị ahịa chọrọ. Jụụ na ventilashị, pụọ na ọkụ, ebe okpomọkụ, gbochie ìhè anyanwụ kpọmkwem, zere ìhè.
