p-Phenylene diamine1,4-diaminobenzene

Kiristaro chena. Inoshanduka kuita ruvara rwepepuru muchiedza. Inoshanduka kuita ruvara rwepepuru mumhepo. Nzvimbo yekunyunguduka 140℃. Nzvimbo yekufashaira 267℃. Inogona kunyungudutswa. Inonyunguduka zvishoma mumvura inotonhora, inonyunguduka muethanol, ether, chloroform uye benzene. Inosangana nema inorganic acids kugadzira munyu unonyunguduka nyore nyore mumvura. Inoshandiswa mukugadzira azo dyes uye sulfur dyes, nezvimwewo, uye inoshandiswa sefur dyes (Fur Black D, Ursol D kana Fur Black D, Ursol D kana Fur Black D) uye inovandudza makemikari. Chigadzirwa ichi ndecheCategory 3 carcinogens. Chinogadzirwa nekuderedza p-nitroaniline.

Nzira yekugadzira

Inowanikwa nekuderedza p-nitroaniline neupfu hwesimbi munzvimbo ine acidic. Isa upfu hwesimbi muhydrochloric acid, woipisa kusvika 90°C, wobva wawedzera p-nitroaniline uchikurunga. Kana yawedzerwa, isa pa95-100°C kwemaawa 0.5, wobva wawedzera concentrated hydrochloric acid dropwise kuti upedze Chemicalbook reduction reaction. Mushure mekutonhodza, gadzirisa ne saturated sodium carbonate solution kusvika pH 7-8, virisa wosefa uchipisa, wosuka filter cake nemvura inopisa. Sanganisa filtrate nemvura yekuwachisa, simbisa pasi pekumanikidzwa kwakaderera, simbisa nekutonhodza kana kunyungudutsa pasi pekumanikidzwa kwakaderera kuti uwane p-phenylenediamine ine goho re95%.

Hunhu hwemakemikari

Zita rechiChinese: p-Phenylenediamine
Zita rekunze: p-Phenylenediamine
Fomura yemakemikari: C6H8N2
Kurema kwemamorekuru: 108.14
Nhamba yekunyoresa yeCAS: 106-50-3
Nzvimbo yekunyunguduka: 139 ℃
chitarisiko: Makristaro machena kusvika kulavender

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