2-Naphthol, wanda kuma aka sani da β-naphthol, acetonaphthol ko 2-hydroxynaphthalene, fari ne mai sheki ko fari foda. Matsakaicin girman shine 1.28g/cm3. Matsayin narkewa shine 123 ~ 124 ℃, wurin tafasa shine 285 ~ 286 ℃, kuma ma'aunin walƙiya shine 161 ℃. Yana da flammable, kuma launi zai zama duhu bayan dogon lokaci ajiya. Sublimation ta dumama, ƙamshi mai ƙamshi. Insoluble a cikin ruwa, mai narkewa a cikin kwayoyin kaushi da kuma maganin alkaline.

2. Aikace-aikace a cikin masana'antar rini da pigment
Dyestuffs da tsaka-tsakin launi sune mafi girman yanki na amfani da 2-naphthol a cikin ƙasata. Muhimmin dalili shi ne cewa an yi jigilar samar da tsaka-tsakin rini a duk duniya, kamar 2, 3 acid, J acid, gamma acid, R acid, chromophenol AS Waɗannan su ne mahimman samfuran tsaka-tsakin tsaka-tsaki na ƙasata, kuma adadin fitarwar da ake fitarwa ya fi sama da ƙasa. rabin jimillar abin da ake fitarwa a cikin gida. Bugu da ƙari, haɗin dyes da tsaka-tsakin pigment, 2-naphthol kuma ana iya amfani dashi azaman azo moiety don amsawa tare da mahadi na diazonium don shirya dyes.

1, 2, 3 acid
Sunan sinadarai na acid 2,3: 2-hydroxy-3-naphthoic acid, hanyar haɗinsa shine: 2-naphthol yana amsawa da sodium hydroxide, ya bushe a ƙarƙashin rage matsa lamba don samun sodium 2-naphtholate, sannan amsa tare da CO2 don samun 2-naphthalene. Phenol da 2,3 sodium gishiri, cire 2-naphthol da acidify don samun 2,3 acid. A halin yanzu, hanyoyin da ake haɗa shi sun haɗa da hanya mai ƙarfi-lokaci da kuma hanyar ƙarfi, kuma hanyar da ake amfani da su a halin yanzu ita ce babban yanayin ci gaba.
Tafkin pigments tare da acid 2,3 azaman abubuwan haɗin gwiwa. Hanyar hada irin wannan nau'in pigments shine a fara yin abubuwan diazonium zuwa diazonium salts, ma'aurata tare da acid 2,3, sannan a yi amfani da alkali karfe da gishirin ƙasa na alkaline don haɗa shi ya zama rini na tabki maras narkewa. Babban bakan launi na 2,3 acid lake pigment shine haske ja. Irin su: CI Pigment Red 57: 1, CI Pigment Red 48: 1 da sauransu.
Ana amfani da acid 2,3 a ko'ina a cikin haɓakar naphthol jerin rinayen kankara. A cikin 1992 "Dyestuff Index", akwai naphthas 28 da aka haɗa tare da acid 2,3.
Jerin Naphthol AS sune azo pigments tare da abubuwan haɗin gwiwa. Hanyar hada irin wannan nau'in launi shine a fara yin abubuwan diazonium zuwa gishirin diazonium kuma a hada su da naphthol AS jerin abubuwan da suka samo asali, kamar a kan zoben kamshi na bangaren diazonium. Ya ƙunshi kawai alkyl, halogen, nitro, alkoxy da sauran ƙungiyoyi, sa'an nan bayan da dauki, na kowa naphthol AS jerin ne hada guda biyu bangaren na azo pigment, kamar aromatic zobe na diazo bangaren kuma ya ƙunshi sulfonic acid kungiyar , Haɗuwa da Naphthol AS jerin abubuwan da suka samo asali, sannan amfani da alkali karfe da gishirin ƙarfe na ƙasa don canza shi zuwa rini na tabki mara narkewa.
Suzhou Lintong Dyestuff Chemical Co., Ltd. ya fara samar da acid 2,3 a cikin 1980s. Bayan shekaru na ci gaba, ya zama babban mashahurin masana'anta na gida da na duniya na 2,3 acid.

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

3. J acid
Sunan sinadarai na J acid: 2-Amino-5-naphthol-7-sulfonic acid, hanyar haɗinsa shine: Toubic acid yana sulfonated a high da ƙananan zafin jiki, hydrolyzed da salted fita a cikin acidic matsakaici don samun 2-naphthylamine-5,72 Sulfonic acid, sa'an nan neutralization, alkali Fusion, acidification don samun J acid. J acid yana amsawa don samun abubuwan da suka samo asali na J acid kamar N-aryl J acid, bis J acid, da kuma acid ja.
J acid da abubuwan da suka samo asali nasa na iya samar da rini iri-iri na acidic ko kai tsaye, rini masu amsawa da masu amsawa, kamar: Acid Violet 2R, Weak Acid Purple PL, Pink Direct, Direct Pink Purple NGB, da sauransu.

4. G gishiri
G sunan sinadaran gishiri: 2-naphthol-6,8-disulfonic acid dipotassium gishiri. Hanyar hada shi shine: 2-naphthol sulfonation da salting out. G gishiri kuma za a iya narke, alkali gauraye, neutralized, da gishiri fita don samun dihydroxy G gishiri.
G gishiri da abubuwan da suka samo asali za a iya amfani da su don samar da tsaka-tsakin rini na acid, irin su acid orange G, acid scarlet GR, raunin jan karfe FG, da dai sauransu.

5. R gishiri
R sunan sinadaran gishiri: 2-naphthol-3,6-disulfonic acid disodium gishiri, hanyar hada shi shine: 2-naphthol sulfonation, salting out. G gishiri kuma za a iya narke, alkali gauraye, neutralized, da gishiri don samun dihydroxy R gishiri.
R gishiri da abubuwan da aka samo asali za a iya kera su: Direct Light Fast Blue 2RLL, Reactive Red KN-5B, Reactive Red Violet KN-2R, da dai sauransu.

6, 1,2,4 acid
1,2,4 acid chemical name: 1-amino-2-naphthol-4-sulfonic acid, tsarin hada shi shine: 2-naphthol yana narkar da shi a cikin sodium hydroxide, nitrosated da sodium nitrite, sa'an nan kuma gauraye da wuce haddi sodium sulfite Reaction. kuma a ƙarshe acidification da warewa don samun samfurin. 1,2,4 acid diazotization don samun 1,2,4 acid oxide jiki.
Ana iya amfani da 1,2,4 acid da abubuwan da aka samo asali don: acid mordant black T, acid mordant black R, da dai sauransu.

7. Chevron acid
Sunan sinadarai na Chevroic acid: 2-naphthol-6-sulfonic acid, kuma hanyar hada shi shine: 2-naphthol sulfonation da salting out.
Ana iya amfani da Chevroic acid don yin rini na acid da rini na abinci da faduwar rana.

8, gamma acid
Sunan sinadarai na Gamma acid: 2-amino-8-naphthol-6-sulfonic acid, hanyar hada shi shine: G gishiri kuma ana iya samu ta hanyar narkewa, narkewar alkali, neutralization, amoniating, da hazo.
Ana iya amfani da Gamma acid don yin baƙar fata kai tsaye LN, kai tsaye tan GF, kai tsaye ash GF da sauransu.

9. Aikace-aikace a matsayin ɓangaren haɗakarwa
Hanyar hada irin wannan nau'in launi shine a fara sanya bangaren diazonium ya zama gishiri diazonium kuma a hada shi da β-naphthol. Misali, zoben aromatic na bangaren diazonium ya ƙunshi kawai alkyl, halogen, nitro, alkoxy da sauran ƙungiyoyi. Bayan amsawa, ana samun β-naphthol azo pigment na yau da kullun. Misali, zoben kamshi na bangaren diazo shima yana dauke da rukunin acid sulfonic, wanda aka hada shi da β-naphthol, sannan ana iya amfani da gishirin alkali da karfen kasa na alkaline don maida shi ruwan rini na tabki mara narkewa.
β-naphthol azo pigments yawanci ja ne da kuma lemu. Irin su CI Pigment Red 1,3,4,6 da CI Pigment Orange 2,5. Babban nau'in launi na β-naphthol lake pigment shine launin rawaya haske ja ko ja shuɗi, musamman ciki har da CI Pigment Red 49, CI Pigment Orange 17, da dai sauransu.

3. Aikace-aikace a cikin 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 gyaran sabulu, ruwan bayan gida da sauran abubuwa da wasu kayan kamshi. Bugu da ƙari, suna da matsayi mafi girma na tafasa da ƙananan ƙarancin, don haka tasirin adana ƙanshi ya fi kyau.
Ethers na 2-naphthol, ciki har da methyl ether, ethyl ether, butyl ether da benzyl ether, ana iya samun su ta hanyar amsawar 2-naphthol da barasa masu dacewa a ƙarƙashin aikin acid catalysts, ko 2-naphthol da esters sulfate daidai ko An samo asali. daga halayen halogenated hydrocarbons.

4. Aikace-aikace a magani
2-Naphthol kuma yana da nau'ikan aikace-aikace a cikin masana'antar harhada magunguna, kuma ana iya amfani da shi azaman ɗanyen kayan magani don waɗannan magunguna ko tsaka-tsaki.
1. Naproxen
Naproxen magani ne na antipyretic, analgesic da anti-mai kumburi.
Hanyar haɗin naproxen shine kamar haka: 2-naphthol shine methylated kuma acetylated don samun 2-methoxy-6-naphthophenone. 2-Methoxy-6-naphthalene ethyl ketone an brominated, ketalized, sake tsarawa, hydrolyzed, da acidified don samun naproxen.

2. Naphthol caprylate
Ana iya amfani da Naphthol octanoate azaman reagent don saurin gano Salmonella. Hanyar hadawa na naphthol octanoate yana samuwa ta hanyar amsawar octanoyl chloride da 2-naphthol.

3. Pamoic acid
Pamoic acid wani nau'i ne na tsaka-tsakin magunguna, ana amfani da shi don shirya irin su triptorelin pamoate, pyrantel pamoate, octotel pamoate da sauransu.
Hanyar hadawa na pamoic acid shine kamar haka: 2-naphthol yana shirya 2,3 acid, 2,3 acid da formaldehyde suna amsawa a ƙarƙashin catalysis na acid don tattara pamoic acid don samun pamoic acid.
Biyar, aikace-aikacen noma
2-Naphthol kuma za a iya amfani da shi a cikin aikin gona don kera naprolamine herbicide, mai sarrafa ci gaban shuka 2-naphthoxyacetic acid da sauransu.

1. Naprotamine
Sunan sinadarai na Naprolamine: 2- (2-naphthyloxy) propionyl propylamine, wanda shine farkon tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire zuwa naphthyloxy. Yana da fa'idodi masu zuwa: sakamako mai kyau na weeding, faffadan kisa iri iri, aminci ga mutane, dabbobi da dabbobin ruwa, da tsawon inganci. A halin yanzu, an yi amfani da shi sosai a Japan, Koriya ta Kudu, Taiwan, kudu maso gabashin Asiya da sauran ƙasashe da yankuna.
Hanyar haɗakarwa na naphthylamine shine: α-chloropropionyl chloride yana amsawa tare da aniline don samar da α-chloropropionylanilide, wanda aka samo ta hanyar condensation tare da 2-naphthol.

2. 2-Naphthoxyacetic acid
2-Naphthoxyacetic acid wani sabon nau'i ne na mai sarrafa ci gaban shuka, wanda ke da ayyukan hana furen fure da faɗuwar 'ya'yan itace, haɓaka yawan amfanin ƙasa, haɓaka inganci da balaga. An fi amfani da shi don daidaita girma na abarba, apple, tumatir da sauran tsire-tsire da kuma ƙara yawan yawan amfanin ƙasa.
Hanyar kira na 2-naphthoxyacetic acid shine: halogenated acetic acid da 2-naphthol suna tashe a ƙarƙashin yanayin alkaline, sa'an nan kuma samu ta hanyar acidification.

6. Aikace-aikace a cikin masana'antar kayan aikin polymer

1, 2, 6 acid

Sunan sinadarai na 2,6 acid: 2-hydroxy-6-naphthoic acid, hanyar haɗinsa shine: 2-naphthol yana amsawa da potassium hydroxide, ya bushe a ƙarƙashin matsin lamba don samun potassium 2-naphthol, sannan amsa tare da CO2 don samun 2-naphthalene. Phenol da 2,6 acid potassium gishiri, cire 2-naphthol da acidify don samun 2,6 acid. A halin yanzu, hanyoyin da ake haɗa shi sun haɗa da hanya mai ƙarfi-lokaci da kuma hanyar ƙarfi, kuma hanyar da ake amfani da su a halin yanzu ita ce babban yanayin ci gaba.
2,6 acid shine muhimmin tsaka-tsaki na kwayoyin halitta don robobi na injiniya, kayan kwalliyar halitta, kayan kristal na ruwa, da magani, musamman azaman monomer don kayan roba masu jure zafin jiki. Babban zafin jiki resistant polymers samar da 2,6 acid kamar yadda albarkatun kasa da ake amfani da ko'ina a cikin ruwa crystal abu masana'antu.
Suzhou Lintong Dyestuff Chemical Co., Ltd. ya haɓaka acid-polymer-grade 2,6 bisa fasahar 2,3 acid, kuma kayan aikin sa ya faɗaɗa a hankali. A halin yanzu, acid 2,6 ya zama ɗaya daga cikin manyan samfuran kamfanin.

2. 2-Naphthylthiol

2-Naphthylthiol za a iya amfani da shi azaman roba a lokacin da ake shafa robar a cikin injin buɗaɗɗiya, wanda zai iya inganta tasirin alƙawarin, rage lokacin yin alƙawarin, rage wutar lantarki, rage farfadowa, da rage raguwar roba. Hakanan za'a iya amfani dashi azaman mai kunnawa sabuntawa da kuma antioxidant.
Hanyar hadawa na 2-naphthylthiol shine kamar haka: 2-naphthol yana amsawa tare da dimethylaminothioformyl chloride, sa'an nan kuma mai tsanani da kuma samu ta hanyar acidic hydrolysis.

3. Rubber antioxidant

3.1 Wakilin rigakafin tsufa D
Wakilin rigakafin tsufa D, wanda kuma aka sani da wakilin anti-tsufa D, sunan sinadarai: N-phenyl-2-naphthylamine. Babban maƙasudin antioxidant don roba na halitta da roba na roba, wanda ake amfani da shi wajen kera samfuran masana'antu kamar taya, kaset, da takalman roba.
Hanyar da ake kira antioxidant D shine: 2-naphthol matsa lamba ammonolysis don samun 2-naphthylamine, wanda aka samu ta hanyar condensation tare da benzene halogenated.

3.2. Wakilin rigakafin tsufa DNP
Wakilin rigakafin tsufa DNP, sunan sinadarai: N, N- (β-naphthyl) p-phenylenediamine, sarkar karya ce ta ƙare nau'in maganin tsufa da wakili mai haɗa ƙarfe. Ana amfani da shi ne a matsayin wakili na rigakafin tsufa don igiyoyin taya na nailan da nailan, waya da kebul na roba waɗanda ke tuntuɓar muryoyin jan ƙarfe, da sauran samfuran roba.
Hanyar hadewar wakili na anti-tsufa DNP shine: p-phenylenediamine da 2-naphthol dumama da raguwa.

4. Phenolic da epoxy guduro
Phenolic da epoxy resins ana amfani da kayan aikin injiniya da yawa a masana'antar. Nazarin ya nuna cewa phenolic da epoxy resins da aka samu ta hanyar maye gurbin ko juzu'in maye gurbin phenol tare da 2-naphthol suna da mafi girman juriya na zafi da juriya na ruwa.