2-Naphthol, wanda aka fi sani da β-naphthol, acetonaphthol ko 2-hydroxynaphthalene, fari ne mai sheƙi ko foda fari. Yawansa shine 1.28g/cm3. Wurin narkewa shine 123~124℃, wurin tafasa shine 285~286℃, kuma wurin walƙiya shine 161℃. Yana da wuta, kuma launin zai yi duhu bayan ajiya na dogon lokaci. Ana yin sublimation ta hanyar dumama, ƙanshi mai kaifi. Ba ya narkewa a cikin ruwa, yana narkewa a cikin sinadarai masu narkewa da mafita na alkaline.

2. Amfani a masana'antar rini da launuka
Rini da tsaka-tsakin launi sune mafi girman yankin da ake amfani da 2-naphthol a ƙasata. Babban dalili shine cewa an canja wurin samar da tsaka-tsakin launi a duk duniya, kamar 2, 3 acid, J acid, gamma acid, R acid, chromophenol AS. Waɗannan su ne muhimman kayayyakin fitarwa na ƙasata, kuma yawan fitarwa ya kai fiye da rabin jimlar yawan fitarwa na cikin gida. Baya ga haɗakar rini da tsaka-tsakin launi, ana iya amfani da 2-naphthol a matsayin ɓangaren azo don amsawa da mahaɗan diazonium don shirya rini.

1, 2, 3 acid
Sunan sinadarai na acid 2,3: 2-hydroxy-3-naphthoic acid, hanyar haɗa shi ita ce: 2-naphthol yana amsawa da sodium hydroxide, yana bushewa a ƙarƙashin matsin lamba mai raguwa don samun sodium 2-naphtholate, sannan ya amsa da CO2 don samun Phenol 2-naphthalene da gishirin sodium 2,3, cire 2-naphthol kuma ya acidify don samun acid 2,3. A halin yanzu, hanyoyin haɗa shi sun haɗa da hanyar solid-phase da hanyar solvency, kuma hanyar solvency ta yanzu babbar hanyar ci gaba ce.
Alamun tafki masu ɗauke da acid 2,3 a matsayin abubuwan haɗin kai. Hanyar haɗa wannan nau'in launuka ita ce a fara yin abubuwan diazonium zuwa gishirin diazonium, a haɗa su da acid 2,3, sannan a yi amfani da gishirin ƙarfe na alkali da gishirin ƙarfe na ƙasa na alkaline don haɗawa. Ana canza shi zuwa rini na tafki mara narkewa. Babban launi na launin tafki na acid 2,3 shine hasken ja. Kamar: CI Pigment Red 57:1, CI Pigment Red 48:1 da sauransu.
Ana amfani da sinadarai 2,3 sosai wajen haɗa rini na kankara na naphthol. A cikin "Dyestuff Index" na 1992, akwai naphthas 28 da aka haɗa da sinadarai 2,3.
Jerin Naphthol AS sune launukan azo tare da abubuwan haɗin gwiwa. Hanyar haɗa wannan nau'in launi shine a fara yin abubuwan diazonium zuwa gishirin diazonium sannan a haɗa su da abubuwan haɗin naphthol AS, kamar a kan zoben ƙanshi na ɓangaren diazonium. Ya ƙunshi alkyl, halogen, nitro, alkoxy da sauran ƙungiyoyi kawai, sannan bayan amsawar, jerin naphthol AS na gama gari shine ɓangaren haɗin gwiwar launin azo, kamar zoben ƙanshi na ɓangaren diazo kuma yana ɗauke da rukunin sulfonic acid, Haɗin kai tare da abubuwan haɗin Naphthol AS, sannan a yi amfani da gishirin ƙarfe na alkali da na ƙarfe na ƙasa don canza shi zuwa launukan tafki marasa narkewa.
Kamfanin Suzhou Lintong Dyestuff Chemical Co., Ltd. ya fara samar da sinadarin acid guda 2,3 a shekarun 1980. Bayan shekaru da dama na ci gaba, ya zama babban kamfanin kera sinadarin acid guda 2,3 a cikin gida da kuma a duniya baki daya.

2. Tobias acid
Sunan sinadarai na Tobias acid: 2-aminonaphthalene-1-sulfonic acid. Hanyar hadawa ita ce kamar haka: 2-naphthol sulfonation don samun 2-naphthol-1-sulfonic acid, ammonia don samun 2-naphthylamine-1-sodium sulfonate, da kuma acidity don samun Tobic acid. Ana amfani da sulfonated Tobic acid don samun sulfonated Tobic acid (2-naphthylamine-1,5-disulfonic acid).
Ana iya amfani da sinadarin Tobias acid da abubuwan da suka samo asali don samar da rini kamar Chromol AS-SW, Reactive Red K1613, Lithol Scarlet, Reactive Brilliant Red K10B, Reactive Brilliant Red K10B, Reactive Brilliant KE-7B, da kuma pigments kamar Organic Violet Red.

3. J acid
Sunan sinadarai na J acid: 2-Amino-5-naphthol-7-sulfonic acid, hanyar hada shi ita ce: Ana hada Toubic acid da sulfon a zafi mai zafi da kuma zafi kadan, a zuba ruwa a ciki sannan a zuba gishiri a cikin ruwan acid don samun 2-naphthylamine-5,72 Sulfonic acid, sannan a rage kiba, a hada alkali, a hada acid don samun J acid. J acid yana amsawa don samun J acid kamar N-aryl J acid, bis J acid, da kuma red acid.
J acid da abubuwan da suka samo asali na iya samar da nau'ikan rini masu acidic ko kai tsaye, rini masu amsawa da masu amsawa, kamar: Acid Violet 2R, Weak Acid Purple PL, Direct Pink, Direct Pink Purple NGB, da sauransu.

4. Gishiri G
Sunan sinadarai na gishirin G: 2-naphthol-6,8-disulfonic acid gishirin dipotassium. Hanyar hada shi ita ce: 2-naphthol sulfonation da kuma fitar da gishiri. Haka kuma ana iya narke gishirin G, a haɗa shi da alkali, a narkar da shi, sannan a zuba gishiri a ciki don samun gishirin dihydroxy G.
Ana iya amfani da gishirin G da abubuwan da suka samo asali don samar da rini mai gina jiki, kamar su acid orange G, acid red GR, weak acid red FG, da sauransu.

5. Gishiri R
Sunan sinadarai na gishirin R: 2-naphthol-3,6-disulfonic acid gishirin disodium, hanyar hada shi ita ce: 2-naphthol sulfonation, gishirin fitar da shi. Haka kuma ana iya narke gishirin G, a haɗa shi da alkali, a narkar da shi, sannan a zuba gishirin don samun gishirin dihydroxy R.
Ana iya ƙera gishirin R da abubuwan da aka samo asali: Direct Light Fast Blue 2RLL, Reactive Red KN-5B, Reactive Red Violet KN-2R, da sauransu.

6, 1, 2, 4 acid
Sunan sinadarai na acid 1,2,4: 1-amino-2-naphthol-4-sulfonic acid, hanyar hada shi ita ce: Ana narkar da 2-naphthol a cikin sodium hydroxide, a nitrosated da sodium nitrite, sannan a gauraya shi da sinadarin sodium sulfite mai yawa, sannan a ƙarshe a ƙara masa acidification da ware shi don samun samfurin. 1,2,4 acid diazotization don samun 1,2,4 acid oxide jiki.
Ana iya amfani da acid 1, 2, 4 da abubuwan da aka samo asali don: acid mordant black T, acid mordant black R, da sauransu.

7. Chevron acid
Sunan sinadarai na Chevroic acid: 2-naphthol-6-sulfonic acid, kuma hanyar haɗa shi ita ce: 2-naphthol sulfonation da kuma fitar da gishiri.
Ana iya amfani da Chevroic acid don yin rini mai tsami da kuma rini mai launin rawaya a rana.

8, gamma acid
Sunan sinadarai na Gamma acid: 2-amino-8-naphthol-6-sulfonic acid, hanyar hada shi ita ce: Ana iya samun gishirin G ta hanyar narkewa, narkewar alkali, rage kiba, ammonia, da kuma yawan acid.
Ana iya amfani da sinadarin Gamma acid wajen yin LN mai launin baƙi kai tsaye, GF mai launin ruwan kasa kai tsaye, GF mai launin toka kai tsaye da sauransu.

9. Amfani a matsayin ɓangaren haɗawa
Hanyar haɗa wannan nau'in launi ita ce a fara yin sinadarin diazonium a cikin gishirin diazonium sannan a haɗa shi da β-naphthol. Misali, zoben ƙamshi na ɓangaren diazonium ya ƙunshi alkyl, halogen, nitro, alkoxy da sauran ƙungiyoyi kawai. Bayan amsawar, ana samun launin azo na β-naphthol na yau da kullun. Misali, zoben ƙamshi na ɓangaren diazo kuma yana ɗauke da rukunin sulfonic acid, wanda aka haɗa shi da β-naphthol, sannan ana iya amfani da gishirin ƙarfe na alkali da na ƙasa na alkaline don canza shi. An canza shi zuwa rini na tafki mara narkewa.
Alamun azo na β-naphthol galibi ja ne da lemu. Kamar CI Pigment Red 1,3,4,6 da CI Pigment Orange 2,5. Babban launi na lake pigment na β-naphthol shine rawaya mai haske ja ko shuɗi ja, galibi ya haɗa da CI Pigment Red 49, CI Pigment Orange 17, da sauransu.

3. Amfani a masana'antar turare
Ethers na 2-naphthol suna da ƙamshin furen lemu da furen fari, tare da ƙamshi mai laushi, kuma ana iya amfani da su azaman maganin sabulu, ruwan bayan gida da sauran abubuwan da ke cikinsa da wasu kayan ƙanshi. Bugu da ƙari, suna da zafi sosai kuma suna da ƙarancin canjin yanayi, don haka tasirin kiyaye ƙamshi ya fi kyau.
Ana iya samun ethers na 2-naphthol, gami da methyl ether, ethyl ether, butyl ether da benzyl ether, ta hanyar amsawar 2-naphthol da alcohols masu dacewa a ƙarƙashin aikin masu haɓaka acid, ko 2-naphthol da esters na sulfate masu dacewa ko kuma An samo su daga amsawar halogenated hydrocarbons.

4. Amfani da shi a fannin likitanci
2-Naphthol kuma yana da amfani iri-iri a masana'antar harhada magunguna, kuma ana iya amfani da shi azaman kayan aiki na asali ga magunguna ko magunguna masu zuwa.
1. Naproxen
Naproxen magani ne mai rage kumburi, rage kumburi da kuma rage kumburi.
Hanyar haɗa naproxen ita ce kamar haka: 2-naphthol an haɗa shi da methylated sannan acetylated don samun 2-methoxy-6-naphthophenone. 2-Methoxy-6-naphthalene ethyl ketone ana brominated, ana ketalized, ana sake shirya shi, ana hydrolyzed shi, sannan a ƙara masa acid don samun naproxen.

2. Naphthol caprylate
Ana iya amfani da Naphthol octanoate a matsayin maganin da ke taimakawa wajen gano Salmonella cikin sauri. Hanyar hada naphthol octanoate ana samun ta ne ta hanyar amsawar octanoyl chloride da 2-naphthol.

3. Pamoic acid
Pamoic acid wani nau'in maganin gargajiya ne, wanda ake amfani da shi wajen shiryawa kamar su triptorelin pamoate, pyrantel pamoate, octotel pamoate da sauransu.
Hanyar haɗa pamoic acid kamar haka: 2-naphthol yana shirya 2,3 acid, 2,3 acid da formaldehyde ana amsawa a ƙarƙashin catalysis na acid don tattara pamoic acid don samun pamoic acid.
Biyar, aikace-aikacen noma
2-Ana iya amfani da Naphthol a fannin noma don kera maganin kashe kwari na naprolamine, mai daidaita ci gaban shuka 2-naphthoxyacetic acid da sauransu.

1. Naprotamine
Sunan sinadarai na naprolamine: 2-(2-naphthyloxy) propionyl propylamine, wanda shine maganin kashe kwari na farko da aka samar da nau'in hormone na shuka wanda ke ɗauke da naphthyloxy. Yana da fa'idodi masu zuwa: kyakkyawan tasirin ciyawa, babban tasirin kashe ciyawa, aminci ga mutane, dabbobi da dabbobin ruwa, da kuma tsawon lokacin inganci. A halin yanzu, ana amfani da shi sosai a Japan, Koriya ta Kudu, Taiwan, Kudu maso Gabashin Asiya da sauran ƙasashe da yankuna.
Hanyar haɗa naphthylamine ita ce: α-chloropropionyl chloride yana amsawa da aniline don samar da α-chloropropionylanilide, wanda daga nan ake samunsa ta hanyar daskare shi da 2-naphthol.

2. 2-Naphthoxyacetic acid
2-Naphthoxyacetic acid wani sabon nau'in mai daidaita girmar tsirrai ne, wanda ke da ayyukan hana faɗuwar fure da 'ya'yan itatuwa, ƙara yawan amfanin ƙasa, inganta inganci da kuma balaga da wuri. Ana amfani da shi galibi don daidaita girman abarba, apple, tumatir da sauran shuke-shuke da kuma ƙara yawan amfanin ƙasa.
Hanyar haɗa 2-naphthoxyacetic acid ita ce: ana tattara halogenated acetic acid da 2-naphthol a ƙarƙashin yanayin alkaline, sannan a samo su ta hanyar ƙara acidification.

6. Aikace-aikace a masana'antar kayan polymer

1, 2, 6 acid

Sunan sinadarai na acid 2,6: 2-hydroxy-6-naphthoic acid, hanyar haɗa shi ita ce: 2-naphthol yana amsawa da potassium hydroxide, yana bushewa a ƙarƙashin matsin lamba mai raguwa don samun potassium 2-naphthol, sannan ya amsa da CO2 don samun Phenol 2-naphthalene da gishirin potassium acid 2,6, cire 2-naphthol kuma ya acidify don samun acid 2,6. A halin yanzu, hanyoyin haɗa shi sun haɗa da hanyar solid-phase da hanyar solvency, kuma hanyar solvency ta yanzu babbar hanyar ci gaba ce.
2,6 acid muhimmin abu ne na halitta don injiniyan robobi, launukan halitta, kayan lu'ulu'u na ruwa, da magani, musamman a matsayin monomer don kayan roba masu jure zafi. Ana amfani da polymers masu jure zafi mai yawa waɗanda aka samar da acid 2,6 azaman kayan masarufi sosai a masana'antar kayan lu'ulu'u na ruwa.
Kamfanin Suzhou Lintong Dyestuff Chemical Co., Ltd. ya ƙirƙiro sinadarin polymer-grade 2,6 acid bisa fasahar sinadarin 2,3 acid, kuma yawan sinadarin da yake fitarwa ya ƙaru a hankali. A halin yanzu, sinadarin 2,6 acid ya zama ɗaya daga cikin manyan kayayyakin da kamfanin ke samarwa.

2. 2-Naphthylthiol

Ana iya amfani da 2-Naphthylthiol a matsayin mai gyaran roba yayin da ake yin masticing na roba a cikin injin niƙa mai buɗewa, wanda zai iya inganta tasirin mastication, rage lokacin mastication, adana wutar lantarki, rage murmurewa mai laushi, da kuma rage raguwar roba. Haka kuma ana iya amfani da shi azaman mai kunna sake farfadowa da kuma maganin hana tsufa.
Hanyar haɗa 2-naphthylthiol ita ce kamar haka: Ana mayar da 2-naphthol da dimethylaminothioformyl chloride, sannan a dumama shi sannan a samu ta hanyar acidic hydrolysis.

3. Maganin hana tsufa na roba

3.1 Maganin hana tsufa D
Maganin hana tsufa D, wanda kuma aka sani da maganin hana tsufa D, sunan sinadarai: N-phenyl-2-naphthylamine. Maganin hana tsufa gabaɗaya don roba ta halitta da robar roba, wanda ake amfani da shi wajen kera kayayyakin masana'antu kamar tayoyi, tef, da takalman roba.
Hanyar haɗa sinadarin D na maganin hana tsufa shine: ammonolysis mai matsin lamba 2-naphthol don samun 2-naphthylamine, wanda daga nan ake samunsa ta hanyar daskare shi da benzene mai halogenated.

3.2. Maganin hana tsufa DNP
Maganin hana tsufa DNP, sunan sinadarai: N, N-(β-naphthyl) p-phenylenediamine, wani nau'in maganin hana tsufa ne na sarka da kuma maganin haɗa ƙarfe. Ana amfani da shi galibi a matsayin maganin hana tsufa ga igiyoyin taya na nailan da nailan, robar hana waya da kebul waɗanda ke hulɗa da tsakiyar jan ƙarfe, da sauran samfuran roba.
Hanyar haɗa maganin hana tsufa na DNP ita ce: tebur na dumama da rage tsufa na p-phenylenediamine da 2-naphthol.

4. Resin phenolic da epoxy
Resin phenolic da epoxy kayan aikin injiniya ne da aka fi amfani da su a masana'antar. Bincike ya nuna cewa resin phenolic da epoxy da aka samu ta hanyar maye gurbin ko maye gurbin phenol da 2-naphthol suna da juriyar zafi da kuma juriyar ruwa.