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Aniline 99 % Extrapure 500 mL

SKU : B-3011.0500
CAS : 62-53-3
Formula : C6H5NH2
Grade : Extrapure

Aniline is predominantly used for the preparation of methylenedianiline and related compounds by condensation with formaldehyde. The diamines are condensed with phosgene to give methylene diphenyl diisocyanate, a precursor to urethane polymers.

Other uses include rubber processing chemicals (9%), herbicides (2%), and dyes and pigments (2%). As additives to rubber, aniline derivatives such as phenylenediamines and diphenylamine, are antioxidants. Illustrative of the drugs prepared from aniline is paracetamol  (acetaminophen, Tylenol). The principal use of aniline in the dye industry is as a precursor to indigo, the blue of blue jeans.

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Aniline is an organic compound with the formula C6H5NH2. Consisting of a phenyl group (−C6H5) attached to an amino group (−NH2), aniline is the simplest aromatic amine. It is an industrially significant commodity chemical, as well as a versatile starting material for fine chemical synthesis. Its main use is in the manufacture of precursors to polyurethane, dyes, and other industrial chemicals. Like most volatile amines, it has the odor of rotten fish. It ignites readily, burning with a smoky flame characteristic of aromatic compounds. It is toxic to humans.Relative to benzene, aniline is “electron-rich”. It thus participates more rapidly in electrophilic aromatic substitution reactions. Likewise, it is also prone to oxidation: while freshly purified aniline is an almost colorless oil, exposure to air results in gradual darkening to yellow or red, due to the formation of strongly colored, oxidized impurities. Aniline can be diazotized to give a diazonium salt, which can then undergo various nucleophilic substitution reactions.Like other amines, aniline is both a base (pKaH = 4.6) and a nucleophile, although less so than structurally similar aliphatic amines.Because an early source of the benzene from which they are derived was coal tar, aniline dyes are also called coal tar dyes.

TINDAKAN PENCEGAHAN UNTUK PENANGANAN YANG AMAN

a. Saran tentang penanganan yang aman

Kenakan pakaian pelindung. Jangan menghirup zat/campuran. Hindari terbentuknya uap/aerosol.

b. Saran tentang perlindungan terhadap kebakaran dan ledakan

Jauhkan dari nyala terbuka, permukaan panas, dan sumber penyulut.Lakukan dengan hatihati tindakan melawan lucutan statis.

c. Tindakan kebersihan

Segera ganti pakaian yang terkontaminasi. Gunakan krim pelindung kulit. Cuci tangan dan muka setelah bekerja dengan bahan tersebut. Untuk tindakan pencegahan lihat bagian 2.2.

 

KONDISI PENYIMPANAN YANG AMAN, TERMASUK KETIDAKCOCOKAN

a. Kondisi penyimpanan

Tertutup sangat rapat. Simpan di tempat yang berventilasi baik. Simpan dalam tempat terkunci atau di tempat yang hanya bisa dimasuki oleh orang-orang yang mempunyai kualifikasi atau berwenang. Tangani dalam kondisi gas inert. Lindungi dari kelembaban. Sensitif cahaya.

Suhu penyimpanan : rekomendasi suhu penyimpanan lihat pada label

b. Kelas penyimpanan

Kelas penyimpanan Jerman (TRGS 510): 6.1A: Kat.1 dan 2 toksik akut, mudah terbakar/bahan berbahaya sangat toksik

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