Benzotriazole yaj tag nrho hauv dej. Nws daim ntawv hauv cov tshuaj hloov pauv raws li tus nqi pH: hauv cov tshuaj acidic heev (pH < 1), nws muaj nyob rau hauv daim ntawv protonated ntawm BTAHCemicalbook + 2; hauv cov tshuaj acidic, nruab nrab, thiab alkaline tsis muaj zog, nws muaj nyob rau hauv daim ntawv ntawm BTA; hauv cov tshuaj alkaline muaj zog (pH > 8), nws muaj nyob rau hauv daim ntawv ntawm BTA-

Siv: Benzotriazole siv rau hauv cov roj tiv thaiv xeb (roj), feem ntau siv rau hauv tooj liab thiab tooj liab alloy vapor theem corrosion inhibitors, circulating water treatment agents, automotive antifreeze, photographic anti-fog chemicalbook agents, polymer stabilizers, cog kev loj hlob regulators, lubricant additives, ultraviolet absorbers, thiab lwm yam. Cov khoom no kuj siv tau ua ke nrog ntau yam scale inhibitors, bactericides thiab algaecides.

Txoj kev tsim khoom:

Benzotriazole tuaj yeem tau los ntawm kev sib xyaw ntawm o-phenylenediamine thiab sodium nitrite. Yaj o-phenylenediamine hauv 50 ℃ dej, ntxiv glacial acetic acid, txias rau 5 ℃, ntxiv sodium nitrite thiab do kom sib xyaw. Cov tshuaj reactant maj mam hloov ntsuab tsaus, qhov kub nce mus txog 70-80 ℃, cov tshuaj hloov xim txiv kab ntxwv-liab, thiab muab tso rau hauv chav sov li 2 teev, txias, lim cov siv lead ua, ntxuav nrog dej khov, thiab ziab kom tau txais cov khoom nyoos. Cov khoom nyoos yog nqus tsev, thiab feem ntawm 201-204 ℃ (2.0kPa) raug sau, thiab tom qab ntawd recrystallized nrog benzene kom tau txais cov khoom nrog lub ntsiab lus yaj ntawm 96-97 ℃, nrog rau cov txiaj ntsig ntawm kwv yees li 80%. Nws tau tshaj tawm tias cov khoom by-product benzotriazole tau txais los ntawm kev kho cov dej khib nyiab ntawm carbendazim nrog sodium nitrite.

Melting point 97-99 ° C (lit.)

Kub taw tes 204°C (15mmHg)

Qhov Ceev 1,36g/cm3

Qhov ceev ntawm ntau yam: 500kg/m3

Qhov ceev ntawm cov pa roj 4.1 (vsaiChemicalbookr)

Qhov siab ntawm cov pa dej 0.04mmHg (20°C)

Refractive index 1.5589 (kwv yees)

Qhov kub hnyiab 170°C

Cov xwm txheej khaws cia Khaws cia hauv qab + 30 ° C.

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