English synonyms: ci37500;ciazoiccouplingcomponent1;cideveloper5;ChemicalbookDeveloperA;DeveloperAMS;DeveloperBN;developera;developerams

CAS Nr .: 135-19-3
Cov mis mos molecular: C10H8O
Molecular Luj: 144.17
PIB: 205-182-7

Yam muaj feem:

Intermediates; AromaticCompounds; ColourFormer&RelatedCompounds; Developer; Alphabetical;BioactiveSmallMolecules;BiochemicalsandReagents;BuildingBlocks; cawv;MICROCIDIN; pigments; fluorescent; Naphthalene; DyestuffIntermediates; Cov tshuaj lom neeg muaj zog sis;Bigenology;OrganicChemical;ParticlesandStains;pHSensitiveProbesandIndicators;

2-naphthol siv thiab synthesis txoj kev

Chemical Properties:dawb ci ci flakes los yog hmoov dawb. Insoluble hauv dej, soluble hauv ethanol, ether, chloroform, glycerin thiab alkali daws.

Siv:
1. Nws yog siv rau hauv kev npaj ntawm Tobias acid, J acid, 2,3 acid thiab azo dyes, thiab kuj yog ib tug raw khoom rau roj hmab antioxidants, mineral ua tus neeg sawv cev, fungicides, antifungal agents, preservatives, thiab lwm yam.
2. Raws li kev khaws cia, kuv lub teb chaws tau teev tseg tias nws tuaj yeem siv rau kev khaws cia citrus, qhov siv ntau tshaj plaws yog 0.1g / kg, thiab cov nyiaj seem tsis ntau tshaj 70mg / kg.
3. Ethylnaphthol, tseem hu ua β-naphthol thiab 2-naphthol, yog ib qho nruab nrab ntawm cov nroj tsuag kev loj hlob regulator naphthoxyacetic acid.
4. Siv los ua khoom noj khoom haus. Raws li peb lub teb chaws, nws tseem tuaj yeem siv rau kev khaws cia citrus. Qhov siv ntau tshaj plaws yog 0.1g / kg, thiab cov nyiaj seem tsis ntau tshaj 70mg / kg.
5. Siv ua analytical reagent, ethylene, carbon monoxide absorbent thiab fluorescent qhia
6. Cov khoom tseem ceeb organic raw khoom thiab dye intermediates, siv nyob rau hauv lub chaw tsim khoom ntawm Toubic acid, butyric acid, β-naphthol-3-carboxylic acid, thiab siv nyob rau hauv lub tsim ntawm anti-aging tus neeg saib xyuas D, anti-aging tus neeg saib xyuas DNP thiab lwm yam tshuaj tiv thaiv. -aging agents, organic pigments thiab fungicides Tos.
7. Siv nyob rau hauv kev npaj ntawm Tobias acid, J acid, 2.3-acid, thiab siv nyob rau hauv kev npaj ntawm anti-aging agent D, anti-aging agent DNP thiab nws cov anti-aging agents, organic pigments thiab fungicides.
8. Kev pov thawj ntawm bromine, chlorine, chlorate, niobium, tooj liab, nitrite thiab potassium. Fluorescence Chemicalbook photodetection substrate ntawm phenolsulfonyltransferase. Kev txiav txim zoo ntawm cov kua qaub-puag ntsuas, dyes, organic synthesis, allyl cawv, methanol, chloroform, thiab lwm yam. Carbon monoxide, ethanol absorbent, fluorescent indicator.
9. Kev pov thawj ntawm bromine, chlorine, chlorate, niobium, tooj liab, nitrite thiab potassium; kev txiav txim siab ntawm carbon monoxide, tooj liab, nitrite thiab potassium; Kev txiav txim siab zoo ntawm allyl cawv, methanol, chloroform, thiab lwm yam.; phenolsulfon transferase Fluorescence ntsuas substrate; ethylene absorber; qhov taw qhia fluorescent; acid-base qhia; dye nruab nrab.

Txoj kev tsim khoom:
1. Nws yog tsim los ntawm naphthalene los ntawm sulfonation thiab alkali fusion. Txoj kev sulfonated alkali fusion yog ib txoj kev siv dav hauv tsev thiab txawv teb chaws, tab sis nws muaj kev xeb loj, tus nqi siab, thiab kev siv cov pa oxygen siab hauv cov dej khib nyiab. 2-isopropylnaphthalene txoj kev tsim los ntawm American Cyanamide Company siv naphthalene thiab propylene ua raw khoom los tsim 2-naphthol raws li ib tug by-product ntawm acetone. Txoj kev no zoo ib yam li kev tsim cov phenol los ntawm txoj kev cumene. Raw khoom noj quota: refined naphthalene 1170kg/t, sulfuric acid 1080kg/t, khoom caustic soda 700kg/t.

2.1) Sulfonated alkali yaj txoj kev. Muab cov naphthalene refined rau hauv lub lauj kaub sulfonation thiab kub (melt) rau 140 ° C. Ntxiv 1.085 zaug (molar ratio) concentrated sulfuric acid nyob rau hauv 20 feeb, nce qhov kub thiab txias, thiab khaws cia ntawm 160-164 ° C rau 2.5 teev. Cov tshuaj tiv thaiv xaus thaum cov ntsiab lus ntawm 2-naphthalenesulfonic acid nce mus txog 66% lossis ntau dua thiab tag nrho cov acidity yog 25% -27%. Cov sulfonate yog hydrolyzed nyob rau hauv lub lauj kaub hydrolysis ntawm 140-150 ℃ rau 1h. Tom qab ntawd nyob rau hauv lub lauj kaub neutralization, neutralize nrog sodium hydrogen nitrite tov ntawm 80-90 ° C kom txog thaum Congo liab daim ntawv xeem tsis tig xiav. Siv cov pa thiab cua kom tshem tawm cov roj SO2, txias rau 30-40 ° C thiab tom qab ntawd nqus lim, ntxuav nrog 10% dej ntsev, thiab tom qab ntawd nqus lim kom tau txais sodium 2-naphthalenesulfonate. Muab cov sodium hydroxide tso rau hauv lub lauj kaub alkali melting, kub (melt) rau 290 ° C, thiab ntxiv sodium 2-naphthalenesulfonate nyob rau hauv li 3 teev kom txog thaum cov ntsiab lus alkali dawb yog 5% -6%. Tom qab ntawd, nws tau khaws cia ntawm 320-330 ° C rau 1 teev. Alkali yaj yog diluted hauv dej thiab dhau SO2 ntawm 70-80 ° C kom txog thaum phenolphthalein tsis muaj xim. Ntxiv dej rau boil thiab ntxuav, tshem tawm cov sodium sulfite, thiab tom qab ntawd dehydrate thiab distilled nyob rau hauv lub siab txo kom tau cov khoom tiav. Tag nrho cov txiaj ntsig yog 73% -74%.
2) 2-isopropylnaphthalene txoj kev. Phau ntawv tshuaj, uas siv naphthalene thiab propylene ua raw cov ntaub ntawv, reproduces 2-naphthol tib lub sij hawm raws li ib tug by-product ntawm acetone.

3. Txoj kev npaj yog ntxiv sulfuric acid rau molten naphthalene ntawm 140 ° C, ua sulfonation ntawm 162 ~ 164 ° C, hydrolyze sulfonate, tshuab tawm cov naphthalene dawb, thiab hnov ​​​​mob nrog sodium sulfite los tsim 2-naphthalenesulfonic acid sodium ntsev. . Cov khoom siv sodium ntsev thiab sodium hydroxide yog alkali-melted ntawm 285-320 ° C, thiab tom qab ntawd khaws cia ntawm 320-330 ° C rau 1 teev. Cov alkali yaj yog diluted thiab dhau mus rau hauv sulfur dioxide rau acidification kom tau cov khoom nyoos, uas yog ntxuav thiab dehydrated thiab ces distilled kom tau cov khoom.

4. Sulfonation alkali melting method Muab refined naphthalene rau hauv ib lub lauj kaub sulfonation thiab kub (melt) mus rau 140 ° C. Ntxiv 1.085 zaug (molar ratio) concentrated sulfuric acid nyob rau hauv 20min, nce qhov kub thiab txias ntawm 160 ~ 164 ℃ rau 2.5h. Cov tshuaj tiv thaiv xaus thaum cov ntsiab lus ntawm 2-naphthalenesulfonic acid nce mus txog 66% lossis ntau dua thiab tag nrho cov acidity yog 25% -27%. Cov sulfonate yog hydrolyzed nyob rau hauv lub lauj kaub hydrolysis ntawm 140 ~ 150 ℃ rau 1h. Tom qab ntawd nyob rau hauv lub lauj kaub neutralization, neutralize nrog sodium bisulfite tov ntawm 80 ~ 90 ℃ kom txog rau thaum Congo liab daim ntawv xeem tsis tig xiav. Siv cov pa thiab cua kom tshem tawm cov roj SO2, txias rau 30-40 ° C thiab tom qab ntawd nqus lim, ntxuav nrog 10% dej ntsev, thiab tom qab ntawd nqus lim kom tau txais sodium 2-naphthalenesulfonate. Muab cov sodium hydroxide tso rau hauv lub lauj kaub alkali melting, kub (melt) mus rau 290 ° C, thiab ntxiv sodium 2-naphthalenesulfonate hauv li 3 teev kom txog thaum cov ntsiab lus dawb alkali yog 5% mus rau 6%. Tom qab ntawd, nws tau khaws cia ntawm 320-330 ° C rau 1 teev. Alkali yaj yog diluted hauv dej thiab dhau SO2 ntawm 70 ~ 80 ℃ kom txog thaum phenolphthalein tsis muaj xim. Ntxiv dej rau boil thiab ntxuav, tshem tawm cov sodium sulfite, thiab tom qab ntawd dehydrate thiab distilled nyob rau hauv lub siab txo kom tau cov khoom tiav. Tag nrho cov txiaj ntsig yog 73% rau 74%. Txoj kev 2-isopropylnaphthalene siv naphthalene thiab propylene ua raw khoom los tsim 2-naphthol thaum los ntawm cov khoom acetone.

Upstream raw khoom:Sodium hydroxide–> sulfuric acid–> nitric acid–> anhydrous sodium sulfite–> sulfur dioxide–> naphthalene–> Congo liab test paper–> sodium bisulfite tov–> 2-naphthalenesulfonic acid –> Phenolphthalein–> Sodium 2-naphthalenesulfonate–> Khoom caustic soda

Cov khoom siv hauv qab2-naphthylamine–>R-1,1′-bin-2-naphthol–>Pigment Liab 21–>2-naphthylamine-1-sulfonic acid–>naphthylamine–>S -1,1′-Bi-2-naphthol -> 1-Amino-2-naphthol-4-sulfonic acid-> Acid Xiav 74-> 2-hydroxy-3-naphthoic acid-> 2- Fluoronaphthalene-> 6-Methoxy-2-acetnaphthalene-> chrome dub T-> 6-hydroxynaphthalene-2-boronic acid-> 2-naphthol-3,6-disulfonic acid disodium-> 1-Naphthyldiazo-2-hydroxy-4-sulfonic acid puab ntsev-> 2-Amino-8-naphthol-6- sulfonic acid–>Lithol Scarlet–>Pigment Liab 53:1 Tshuaj Phau Ntawv –>Pigment Txiv kab ntxwv 5–>Pigment Liab 4–>Pigment Liab 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 No. 9