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Nzira yekushandisa uye yekugadzira 2-naphthol

Hunhu hwemakemikari:Zvidimbu zvichena zvinopenya kana upfu huchena. Hazvinyungudike mumvura, zvinonyungudika mu ethanol, ether, chloroform, glycerin uye alkali solutions.

Shandisa:
1. Inoshandiswa mukugadzira Tobias acid, J acid, 2,3 acid uye azo dyes, uye zvakare imhando yerabha antioxidants, mineral processing agents, fungicides, fungicides, preservatives, nezvimwewo.
2. Semushonga wekuchengetedza, nyika yangu inoti inogona kushandiswa kuchengetedza citrus, huwandu hwepamusoro hwekushandiswa i0.1g/kg, uye huwandu hwasara haupfuuri 70mg/kg.
3. Ethylnaphthol, inozivikanwawo se β-naphthol uye 2-naphthol, inhengo yepakati pe naphthoxyacetic acid inodzora kukura kwezvirimwa.
4. Inoshandiswa sechikafu chinochengetedza chikafu. Zvinoenderana nenyika yedu, inogona kushandiswawo kuchengetedza citrus. Huwandu hwepamusoro hwekushandiswa i0.1g/kg, uye huwandu hwasara haupfuuri 70mg/kg.
5. Inoshandiswa se analytical reagent, ethylene, carbon monoxide absorbent uye fluorescent indicator
6. Zvinhu zvakakosha zve organic uye dhayi zvinosanganisa, zvinoshandiswa mukugadzira Toubic acid, butyric acid, β-naphthol-3-carboxylic acid, uye zvinoshandiswa mukugadzira D, DNP nezvimwe zvinorwisa kukwegura, organic pigments uye fungicides.
7. Inoshandiswa mukugadzira Tobias acid, J acid, 2.3-acid, uye inoshandiswa mukugadzira D, DNP nemishonga yayo yekudzivirira kukwegura, pigments dzeorganic uye fungicides.
8. Kuongororwa kwebromine, chlorine, chlorate, niobium, copper, nitrite uye potassium. Fluorescence Chemicalbook photodetection substrate yephenolsulfonyltransferase. Kuongororwa kwehunhu hweacid-base indicators, dyes, organic synthesis, allyl alcohol, methanol, chloroform, nezvimwewo. Carbon monoxide, ethanol absorbent, fluorescent indicator.
9. Kuongororwa kwebromine, chlorine, chlorate, niobium, copper, nitrite uye potassium; kuongororwa kwecarbon monoxide, copper, nitrite uye potassium; kuongororwa kwequalitative ye allyl alcohol, methanol, chloroform, nezvimwewo; phenolsulfon transferase Fluorescence measurement substrate; ethylene absorber; fluorescent indicator; acid-base indicator; dye intermediate.

Nzira yekugadzira:
1. Inogadzirwa kubva ku naphthalene kuburikidza ne sulfonation uye alkali fusion. Nzira ye sulfonated alkali fusion inzira inoshandiswa zvakanyanya mukugadzira munyika nekune dzimwe nyika, asi ine ngura yakakura, inodhura zvakanyanya, uye inoderedza oxygen mumvura yakasviba. Nzira ye 2-isopropylnaphthalene yakagadzirwa neAmerican Cyanamide Company inoshandisa naphthalene ne propylene sezvinhu zvekugadzira 2-naphthol sechibereko che acetone. Nzira iyi yakafanana nekugadzirwa kwe phenol nenzira ye cumene. Raw material consumption quota: refined naphthalene 1170kg/t, sulfuric acid 1080kg/t, solid caustic soda 700kg/t.

2.1) Nzira yekunyungudutsa alkali yakanyungudutswa. Isa naphthalene yakanatswa mupoto yesulfonation woipisa kusvika 140°C. Wedzera 1.085 (molar ratio) concentrated sulfuric acid mukati memaminitsi makumi maviri, wedzera tembiricha, woichengeta pa160-164°C kwemaawa 2.5. Mhinduro yacho inopera kana huwandu hwe2-naphthalenesulfonic acid hwasvika 66% kana kupfuura uye huwandu hweacidity huri 25%-27%. Sulfonate inonyungudutswa mupoto yehydrolysis pa140-150℃ kweawa imwe chete. Wobva waisa mupoto ye neutralization, gadzirisa ne sodium hydrogen nitrite solution pa80-90°C kusvika bepa rekuyera reCongo red test bepa risisina kuchinja bhuruu. Shandisa utsi nemhepo kudzinga gasi reSO2, tonhodza kusvika 30-40°C wozoisa suction filter, sukura nemvura yemunyu ye10%, wozoisa suction filter kuti uwane sodium 2-naphthalenesulfonate. Isa sodium hydroxide muhari yekunyungudutsa alkali, pisa (nyunguduka) kusvika 290°C, wobva wawedzera sodium 2-naphthalenesulfonate mumaawa angangoita matatu kusvika huwandu hwealkali hwava 5%-6%. Mushure mezvo, yakachengetwa pa320-330°C kweawa imwe chete. Alkali melt inonyungudutswa mumvura yopfuudzwa SO2 pa70-80°C kusvika phenolphthalein yapera ruvara. Wedzera mvura kuti ifashaire wogeza, bvisa sodium sulfite, wobva wabvisa mvura woinyungudutsa pasi pekumanikidzwa kwakaderera kuti chigadzirwa chapera chiwane. Mugove wese i73%-74%.
2) Nzira ye2-isopropylnaphthalene. Chemicalbook, iyo inoshandisa naphthalene nepropylene sezvinhu zvakagadziriswa, inoburitsa 2-naphthol panguva imwe chete nechinhu chinobva muacetone.

3. Nzira yekugadzirira ndeyekuwedzera sulfuric acid ku naphthalene yakanyungudutswa pa140°C, kuita sulfonation pa162~164°C, hydrolyze sulfonate, kuputira naphthalene isina kuchena, uye kuita zvakafanana ne sodium sulfite kugadzira 2-naphthalenesulfonic acid sodium salt. Sodium salt yakasimba ne sodium hydroxide zvinonyungudutswa pa285-320°C, uye zvochengetwa pa320-330°C kweawa imwe chete. Alkali melt inonyungudutswa yoiswa mu sulfur dioxide kuti ive acidification kuti iwane chigadzirwa chisina kuchena, icho chinogezwa uye chinobviswa mvura yozobviswa mvura yozobviswa mvura kuti chiwane chigadzirwa.

4. Nzira yekunyungudutsa alkali musulfonation Isa naphthalene yakanatswa mupoto yesulfonation woipisa kusvika 140°C. Wedzera 1.085 (molar ratio) concentrated sulfuric acid mukati memaminitsi makumi maviri, wedzera tembiricha, woichengeta pa160～164℃ kwemaawa maviri nehafu. Zvinoguma kana huwandu hwe2-naphthalenesulfonic acid hwasvika 66% kana kupfuura uye huwandu hweacidity huri 25%-27%. Sulfonate inonyungudika mupoto yehydrolysis pa140～150℃ kweawa imwe chete. Wobva waisa mupoto ye neutralization, gadzirisa ne sodium bisulfite solution pa80~90℃ kusvika bepa rekuyera reCongo red test rava bhuruu. Shandisa utsi nemhepo kubvisa gasi reSO2, tonhodza kusvika 30-40°C wozoisa filter yekusveta, geza nemvura yemunyu ye10%, wozoisa filter yekusveta kuti uwane sodium 2-naphthalenesulfonate. Isa sodium hydroxide muhari yekunyungudutsa alkali, pisa (nyunguduka) kusvika 290°C, wobva wawedzera sodium 2-naphthalenesulfonate mumaawa angangoita matatu kusvika huwandu hwealkali hwava 5% kusvika 6%. Mushure meizvozvo, yakachengetwa pa320-330°C kweawa imwe chete. Alkali melt inonyungudutswa mumvura yopfuudzwa SO2 pa70~80℃ kusvika phenolphthalein yapera ruvara. Wedzera mvura kuti ifashaire wogeza, bvisa sodium sulfite, wobva wabvisa mvura woinyungudutsa pasi pekumanikidzwa kwakaderera kuti chigadzirwa chapera chiwane. Mugove wese uri 73% kusvika 74%. Nzira ye2-isopropylnaphthalene inoshandisa naphthalene nepropylene sezvinhu zvekugadzira 2-naphthol ukuwo imwe yacho ichishandiswa acetone.

Zvinhu zvakabikwa zvekumusoro:sodium hydroxide–>sulfuric acid–>nitric acid–>anhydrous sodium sulfite–>sulfur dioxide–>naphthalene–>Congo red test bepa–>sodium bisulfite solution–> 2-naphthalenesulfonic acid–>Phenolphthalein–> Sodium 2-naphthalenesulfonate–>Soda yakasimba inouraya utachiona

Zvigadzirwa zviri pasi pemvura: 2-naphthylamine–>R-1,1′-bin-2-naphthol–>Pigment Red 21–>2-naphthylamine-1-sulfonic acid–>naphthylamine–>S -1,1′-Bi-2-naphthol–>1-Amino-2-naphthol-4-sulfonic acid–>Acid Bhuruu 74–>2-hydroxy-3-naphthoic acid–>2- Fluoronaphthalene–>6-Methoxy-2-acetnaphthalene–>chrome dema T–>6-hydroxynaphthalene-2-boronic acid–>2-naphthol-3,6-disulfonic acid disodium- ->1-Naphthyldiazo-2-hydroxy-4-sulfonic acid inner salt–>2-Amino-8-naphthol-6-sulfonic acid–>Lithol Scarlet–>Pigment Red 53:1 Chemicalbook –>Pigment Orenji 5–>Pigment Red 4–>Pigment Red 3–>Mordant Black 17–>Naproxen–>Synthetic Tanning Agent HV–>Neutral Black 2S-RL–>Medium Black BL–>2-Naphthaleneboronic acid–>2-Hydroxy-1-naphthoic acid–>Sodium 6-hydroxy-2-naphthalenesulfonate–>N-phenyl-2-naphthylamine–>Synthesis Tanning agent PNC–>2-naphthylamine-3,6,8-trisulfonic acid–>bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-1-naphthalenesulfonate Disodium hydrogen chromate–>Sodium 3-hydroxy-4-[(2-hydroxynaphthalene)azo]-7-nitronaphthalene-1-sulfonate–>Synthetic Tanning Agent Nhamba. 9