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Inombolo yeCAS: 135-19-3
Ifomula yemolekyuli: C10H8O
Ubunzima bemolekyuli: 144.17
Inombolo ye-EINECS: 205-182-7

Iindidi ezinxulumeneyo:

I-Interpried; i-aromaciccourts; umbala kunye neendlela ezinxulumene noko; i-bideskesmes; i-biotherical; i-bigstheesce;

Ukusetyenziswa kwe-2-naphthol kunye nendlela yokudibanisa

Iimpawu zekhemikhali:iiflakes ezimhlophe ezibengezelayo okanye umgubo omhlophe.I-insoluble emanzini, i-soluble kwi-ethanol, i-ether, i-chloroform, i-glycerin kunye ne-alkali solutions.

Sebenzisa:
1. Isetyenziselwa ukulungiswa kwe-Tobias acid, i-J acid, i-2,3 i-asidi kunye ne-azo dyes, kwaye iphinda ibe yinto eluhlaza ye-rubber antioxidants, i-agent processing amaminerali, i-fungicides, i-antifungal agents, i-preservatives, njl.
2. Njengesithinteli, ilizwe lam limisela ukuba lingasetyenziselwa ukugcinwa kwe-citrus, ubuninzi bexabiso lokusetyenziswa ngu-0.1g/kg, kwaye imali eshiyekileyo ayikho ngaphezu kwe-70mg/kg.
3. I-Ethylnaphthol, eyaziwa ngokuba yi-β-naphthol kunye ne-2-naphthol, yindawo ephakathi yokulawula ukukhula kwezityalo i-naphthoxyacetic acid.
4. Isetyenziswa njengesigcini sesondlo.Ngokwelizwe lethu, ingasetyenziselwa ukugcinwa kwe-citrus.Ubungakanani bokusetyenziswa okuphezulu ngu-0.1g / kg, kwaye inani eliseleyo alikho ngaphezu kwe-70mg / kg.
5. Isetyenziswe njenge-analytical reagent, i-ethylene, i-carbon monoxide absorbent kunye nesalathisi se-fluorescent
6. Izinto ezibalulekileyo zezinto eziphilayo kunye ne-dayi intermediates, ezisetyenziselwa ukuveliswa kwe-Toubic acid, i-asidi ye-butyric, i-β-naphthol-3-carboxylic acid, kwaye isetyenziswe ekwenzeni i-anti-aging agent D, i-anti-aging agent DNP kunye nezinye i-anti. -i-aging agents, ii-pigments eziphilayo kunye ne-fungicides Linda.
7. Isetyenziswe ekulungiseleleni i-Tobias acid, i-J acid, i-2.3-acid, kwaye isetyenziswe ekulungiseleleni i-anti-aging agent D, i-anti-aging agent DNP kunye ne-anti-aging agents, i-pigments eziphilayo kunye nefungicides.
8. Ukuqinisekiswa kwe-bromine, i-chlorine, i-chlorate, i-niobium, ithusi, i-nitrite kunye ne-potassium.I-Fluorescence Chemicalbook photodetection substrate ye-phenolsulfonyltransferase.Ukumiselwa komgangatho wezalathi ze-acid-base, idayi, i-organic synthesis, i-alylal alcohol, i-methanol, i-chloroform, njl njl. I-Carbon monoxide, i-ethanol absorbent, isalathisi se-fluorescent.
9. Ukuqinisekiswa kwe-bromine, i-chlorine, i-chlorate, i-niobium, ithusi, i-nitrite kunye ne-potassium;ukuzimisela kwe-carbon monoxide, ubhedu, i-nitrite kunye ne-potassium;ukuzimisela komgangatho we-alylal alcohol, methanol, chloroform, njl.;phenolsulfon transferase Fluorescence measurement substrate;i-ethylene absorber;isalathisi se-fluorescent;isalathisi se-acid-base;Idayi ephakathi.

Indlela yokuvelisa:
1. Yenziwe kwi-naphthalene nge-sulfonation kunye ne-alkali fusion.Indlela yokudibanisa i-alkali ye-sulfonated yindlela yokuvelisa esetyenziswa ngokubanzi ekhaya nakwamanye amazwe, kodwa inomhlwa ombi, ixabiso eliphezulu, kunye nokusetyenziswa okuphezulu kwe-oksijini yebhayoloji kumanzi amdaka.Indlela ye-2-isopropylnaphthalene eyenziwe yiNkampani yaseMelika yaseCyanamide isebenzisa i-naphthalene kunye nepropylene njengezinto ezibonakalayo ukuvelisa i-2-naphthol njengemveliso ye-acetone.Le ndlela ifana nokuveliswa kwe-phenol ngendlela ye-cumene.I-quota yokusetyenziswa kwezinto ezikrwada: i-naphthalene esulungekileyo 1170kg / t, i-sulfuric acid 1080kg / t, i-soda eqinile ye-caustic 700kg / t.

2.1) Indlela yokunyibilika kwe-alkali e-Sulfonated.Beka i-naphthalene esulungekileyo kwimbiza yesulfonation kwaye ushushu (unyibilike) ukuya kwi-140 ° C.Yongeza amaxesha e-1.085 (umlinganiselo we-molar) i-sulfuric acid egxininiswe ngaphakathi kwemizuzu engama-20, yandisa ukushisa, kwaye uyigcine kwi-160-164 ° C kwiiyure ze-2.5.Ukusabela kuphela xa umxholo we-2-naphthalenesulfonic acid ufikelela kuma-66% okanye ngaphezulu kwaye i-acidity iyonke yi-25% -27%.I-sulfonate i-hydrolyzed kwi-hydrolysis pot kwi-140-150 ℃ ye-1h.Emva koko kwisitya sokungathathi hlangothi, nciphisa ngesisombululo se-sodium hydrogen nitrite kwi-80-90 ° C de kube iphepha lokuhlola elibomvu laseCongo lingajiki okwesibhakabhaka.Sebenzisa umphunga kunye nomoya ukugxotha igesi ye-SO2, ipholile ukuya ku-30-40 ° C kwaye emva koko ihluzo lokufunxa, uhlambe nge-10% yamanzi etyuwa, kwaye emva koko ihluzo lokufunxa ukufumana i-sodium 2-naphthalenesulfonate.Beka i-sodium hydroxide kwi-alkali yokunyibilika kwe-alkali, ukushisa (kunyibilika) ukuya kwi-290 ° C, kwaye ungeze i-sodium 2-naphthalenesulfonate malunga neeyure ze-3 de umxholo we-alkali wamahhala u-5% -6%.Emva koko, igcinwe kwi-320-330 ° C ngeyure eli-1.I-alkali inyibilika ihlanjululwe emanzini kwaye idlule i-SO2 kwi-70-80 ° C de kube i-phenolphthalein ingenambala.Yongeza amanzi ukuze ubilise kwaye uhlambe, susa i-sodium sulfite, kwaye emva koko ukhuphe amanzi kwaye udibanise phantsi koxinzelelo oluncitshisiweyo lokufumana imveliso egqityiweyo.Isivuno sisonke yi-73% -74%.
2) 2-isopropylnaphthalene indlela.I-Chemicalbook, esebenzisa i-naphthalene kunye nepropylene njengezinto ezibonakalayo, iphinda ivelise i-2-naphthol ngexesha elifanayo njengemveliso ye-acetone.

3. Indlela yokulungiselela ukongeza i-asidi ye-sulfuric kwi-naphthalene etyhidiweyo kwi-140 ° C, yenza i-sulfonation kwi-162～164 ° C, i-hydrolyze i-sulfonate, ivuthele i-naphthalene yamahhala, kwaye iphendule nge-sodium sulfite ukuvelisa i-2-naphthalenesulfonic acid ityuwa yesodium. .Ityuwa eqinile ye-sodium kunye ne-sodium hydroxide i-alkali-yancibilika kwi-285-320 ° C, ize igcinwe kwi-320-330 ° C ngeyure eli-1.I-alkali enyibilikayo iyanyibilika kwaye igqithiselwe kwi-sulphur dioxide ukuze i-asidi ifumaneke imveliso ekrwada, ehlanjwayo kwaye ikhutshwe kwaye ikhutshwe ukuze ifumane imveliso.

4. Indlela yokunyibilikisa i-alkali ye-sulfonation Faka i-naphthalene esulungekileyo kwimbiza ye-sulfonation kunye nobushushu (nyibilika) ukuya kwi-140°C.Yongeza amaxesha e-1.085 (umlinganiselo we-molar) i-sulfuric acid egxininisiweyo ngaphakathi kwe-20min, yandisa ubushushu, kwaye uyigcine kwi-160～164℃ ye-2.5h.Ukusabela kuphela xa umxholo we-2-naphthalenesulfonic acid ufikelela kuma-66% okanye ngaphezulu kwaye i-acidity iyonke yi-25% -27%.I-sulfonate ifakwe kwi-hydrolyzed kwimbiza ye-hydrolysis kwi-140～150℃ nge-1h.Emva koko kwimbiza yokungathathi hlangothi, yenza i-neutralize ngesisombululo se-sodium bisulfite kwi-80 ~ 90℃ de iphepha lovavanyo olubomvu lwase-Congo lingajiki luhlaza okwesibhakabhaka.Sebenzisa umphunga kunye nomoya ukugxotha igesi ye-SO2, ipholile ukuya ku-30-40 ° C kwaye emva koko ihluzo lokufunxa, uhlambe nge-10% yamanzi etyuwa, kwaye emva koko ihluzo lokufunxa ukufumana i-sodium 2-naphthalenesulfonate.Beka i-sodium hydroxide kwi-alkali yokunyibilika imbiza, ukushisa (kunyibilika) ukuya kwi-290 ° C, kwaye ungeze i-sodium 2-naphthalenesulfonate malunga neeyure ze-3 de umxholo we-alkali wamahhala u-5% ukuya kwi-6%.Emva koko, igcinwe kwi-320-330 ° C ngeyure eli-1.I-alkali inyibilika ixutywe emanzini kwaye idluliselwe i-SO2 ku-70 ~ 80℃ de i-phenolphthalein ingabinambala.Yongeza amanzi ukuze ubilise kwaye uhlambe, susa i-sodium sulfite, kwaye emva koko ukhuphe amanzi kwaye udibanise phantsi koxinzelelo oluncitshisiweyo lokufumana imveliso egqityiweyo.Isivuno sisonke ngama-73% ukuya kuma-74%.Indlela ye-2-isopropylnaphthalene isebenzisa i-naphthalene kunye nepropylene njengezinto eziluhlaza ukuvelisa i-2-naphthol ngelixa imveliso ye-acetone.

Umsinga wemathiriyeli ekrwada:sodium hydroxide–>sulfuric acid–>nitric acid–>anhydrous sodium sulfite–>sulfur dioxide–>naphthalene–>Congo red test paper–>sodium bisulfite solution–>2-naphthalenesulfonic acid –>Phenolphthalein–>Sodium 2-naphthalenesulfonate–> Isoda ye-caustic eqinile

Iimveliso ezisezantsi: 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 Blue 74–>2-hydroxy-3-naphthoic acid–>2- Fluoronaphthalene–>6-Methoxy-2-acetnaphthalene–>chrome emnyama T–> I-6-hydroxynaphthalene-2-boronic acid–>2-naphthol-3,6-disulfonic acid disodium- ->1-Naphthyldiazo-2-hydroxy-4-sulfonic acid ityuwa yangaphakathi–>2-Amino-8-naphthol-6- sulfonic acid–>Lithol Scarlet–>Pigment Red 53:1 Chemicalbook –>Pigment Orange 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–>SI-Arhente yokuTshintsha ye-9 yokwenziwa