Beta naphthol

Cov Khoom Siv Tshuaj:

Cov nplaim dawb ci ntsa iab los yog hmoov dawb. Insoluble hauv dej, yooj yim soluble hauv ethanol, ether, chloroform, glycerol thiab alkali daws teeb meem

Kev Siv

Ethyl naphthol, tseem hu ua β-naphthol thiab 2-naphthol, yog ib qho nruab nrab ntawm cov nroj tsuag loj hlob regulator naphthoxyacetic acid. Nws yog ib qho tseem ceeb organic raw khoom thiab zas intermediate. Nws yog siv rau hauv kev tsim cov tonic acid, butyric acid, β-naphthol-3-carboxylic acid, thiab siv rau hauv kev tsim cov antioxidants, DNP thiab lwm yam antioxidants, organic pigments thiab sterilization. Agents, thiab lwm yam.

Txoj kev tsim khoom

Nws yog los npaj naphthalene los ntawm sulfonation thiab alkali melting. Txoj kev sulfonation alkali fusion yog ib txoj kev tsim khoom siv dav hauv tsev thiab txawv teb chaws, tab sis nws raug kev txom nyem los ntawm kev xeb loj, tus nqi siab thiab kev siv oxygen ntau ntawm cov dej khib nyiab. Txoj kev 2-cumonaphthalene tsim los ntawm American Cyanamid Company siv naphthalene thiab propylene Chemicalbook ua cov khoom siv raw. Thaum tsim 2-naphthol, acetone yog tsim los ua cov khoom siv. Txoj kev no zoo ib yam li txoj kev cumene rau kev tsim phenol. Cov khoom siv raw siv quota: refined naphthalene 1170kg / t, sulfuric acid 1080kg / t, khoom caustic soda 700kg / t

Cov Khoom Siv Tshuaj 2-Naphthol

CAS No. 135-19-3

Cov mis tshuaj molecular C10H8O

Qhov hnyav molecular 144.17

EINECS No. 205-182-7

Melting point 120-122 ° C (lit.)

Kub taw tes 285-286 ° C (lit.)

Qhov Ceev 1,28g/cm3

Refractive index 1.5762 (kwv yees)

Qhov kub hnyiab 153 °C

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

Cov Ntaub Ntawv Tiv Tauj

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