upu tutusa faaperetania: ci37500;ciazoiccouplingcomponent1;cideveloper5;ChemicalbookDeveloperA;DeveloperAMS;DeveloperBN;developera;developerams

Numera CAS: 135-19-3
Fuafua mole: C10H8O
mamafa mole: 144.17
Numera EINECS: 205-182-7

Vaega fa'atatau:

Faʻasalalauga; armaticCompounds; Valivali o le Flopformage & Fesootai; numera o biochemics; ormactippers; o le bondesthopes

2-naphthol faʻaaogaina ma metotia faʻapipiʻi

mea tau vaila'au:pa'epa'e i'ila pa'epa'e po'o le pauta pa'epa'e.E le mafai ona solu i le vai, solu i le ethanol, eter, chloroform, glycerin ma vaifofo alkali.

Fa'aaogā:
1. E faʻaaogaina i le sauniuniga o le Tobias acid, J acid, 2,3 acid ma azo dyes, ma o se mea mataʻutia mo antioxidants paʻu, vailaʻau faʻasolosolo minerale, fungicides, antifungal agents, preservatives, ma isi.
2. I le avea ai o se faʻasao, o loʻo faʻatonuina e loʻu atunuu e mafai ona faʻaaogaina mo le faʻasaoina o le citrus, o le maualuga o le faʻaaogaina o le 0.1g / kg, ma le aofaʻi o totoe e le sili atu i le 70mg / kg.
3. Ethylnaphthol, e taʻua foi o le β-naphthol ma le 2-naphthol, o se vaeluaga o le faʻatonuina o le tuputupu aʻe o laʻau naphthoxyacetic acid.
4. Fa'aaogaina e fai ma fa'asao fafaga.E tusa ai ma lo tatou atunuu, e mafai foi ona faʻaaogaina mo le faʻasaoina o le citrus.Ole aofa'i maualuga ole fa'aoga ole 0.1g/kg, ma ole aofa'iga totoe e le sili atu ile 70mg/kg.
5. Fa'aaogaina e fai ma su'esu'ega su'esu'e, ethylene, carbon monoxide absorbent and fluorescent indicator.
6. Mea taua faʻaletino mataʻutia ma vali intermediates, faʻaaogaina i le gaosiga o le Toubic acid, butyric acid, β-naphthol-3-carboxylic acid, ma faʻaaogaina i le gaosiga o le anti-aging agent D, anti-aging agent DNP ma isi anti. -o mea e matua'i matutua, lanu fa'aola ma fungicides Fa'atali.
7. Faʻaaogaina i le sauniuniga o le Tobias acid, J acid, 2.3-acid, ma faʻaaogaina i le sauniuniga o le anti-aging agent D, anti-aging agent DNP ma ona anti-aging agents, organic pigments ma fungicides.
8. Faʻamaoniga o le bromine, chlorine, chlorate, niobium, copper, nitrite ma le potassium.Fluorescence Chemicalbook photodetection mea'ai ole phenolsulfonyltransferase.Fuafuaga fa'atatau o fa'ailo fa'avae o le acid, vali, fa'asologa o meaola, allyl alcohol, methanol, chloroform, ma isi. Carbon monoxide, ethanol absorbent, fluorescent indicator.
9. Faʻamaoniga o le bromine, chlorine, chlorate, niobium, copper, nitrite ma le potassium;fuafuaina o le carbon monoxide, kopa, nitrite ma le potassium;fa'atatauga fa'atatau o le allyl alcohol, methanol, chloroform, ma isi;phenolsulfon transferase mea e fua ai le fluorescence;ethylene absorber;fa'ailoga felanulanua'i;fa'ailo fa'amea-fa'avae;vali vali.

Gaosiga auala:
1. E faia mai le naphthalene e ala i le sulfonation ma alkali fusi.O le sulfonated alkali fusion method o se auala e faʻaaogaina lautele i le fale ma fafo, ae o loʻo i ai le pala, maualuga le tau, ma le maualuga o le faʻaogaina o le okesene olaola i vai otaota.O le auala 2-isopropylnaphthalene na fausia e le American Cyanamide Company e faʻaaogaina ai le naphthalene ma le propylene e fai ma mea mata e gaosia ai le 2-naphthol e avea o se mea e maua mai i le acetone.O lenei metotia e talitutusa ma le gaosiga o le phenol e ala i le metotia cumene.Ole aofa'i ole fa'aaogāina o mea mata'utia: naphthalene fa'amamaina 1170kg/t, sulfuric acid 1080kg/t, sua fa'ainu malo 700kg/t.

2.1) auala fa'afefeteina ole alkali.Tuu le naphthalene fa'amamaina i totonu o le ulo sulfonation ma vevela (liusuavai) i le 140°C.Faaopoopo i ai le 1.085 taimi (molar ratio) concentrated sulfuric acid i totonu o le 20 minute, faateleina le vevela, ma taofi i le 160-164°C mo le 2.5 itula.Ole tali e muta pe a oʻo ile 2-naphthalenesulfonic acid ile 66% pe sili atu ma le aofaʻi ole acidity e 25% -27%.O le sulfonate e fa'afefeteina i totonu o se ulo hydrolysis i le 140-150 ℃ mo le 1h.Ona fa'a'ese'ese lea i totonu o se ulo fa'apa'u'u i le vaifofo sodium hydrogen nitrite i le 80-90°C se'ia le liua le pepa su'e mumu Congo.Fa'aaogā le ausa ma le ea e tuli ese ai le kasa SO2, fa'alili i le 30-40°C ona fa'amama lea, fufulu ile 10% vai masima, ona fa'amama lea e maua ai le sodium 2-naphthalenesulfonate.Tuu le sodium hydroxide i totonu o se fagu faʻafefete, vevela (liusuavai) i le 290°C, ma faʻaopopo le sodium 2-naphthalenesulfonate i le tusa ma le 3 itula seia oʻo i le 5%-6% le fua o le alkali.Mulimuli ane, na teuina i le 320-330 ° C mo le 1 itula.Ole liusuavai ole alkali e fa'afefe ile vai ma pasia le SO2 ile 70-80°C se'ia le lanu le phenolphthalein.Fa'aopoopo le vai e fa'apuna ma fufulu, aveese le sodium sulfite, ona fa'amama ma fa'amama i lalo o le fa'aitiitia o le mamafa e maua ai le oloa mae'a.O le aofaʻi o fua e 73%-74%.
2) 2-isopropylnaphthalene auala.Chemicalbook, lea e fa'aogaina ai le naphthalene ma le propylene e fai ma mea mata, e toe gaosia le 2-naphthol i le taimi lava e tasi e pei o se mea e maua mai i le acetone.

3. O le auala sauniuni o le fa'aopoopoina lea o le sulfuric acid i le naphthalene liusuavai i le 140°C, fai le sulfonation i le 162～164°C, hydrolyze le sulfonate, feula le naphthalene free, ma tali atu i le sodium sulfite e maua ai le 2-naphthalenesulfonic acid sodium salt. .O le masima sodium malosi ma le sodium hydroxide e faʻafefeteina alkali i le 285-320 ° C, ona teuina lea i le 320-330 ° C mo le 1 itula.O le alkali liusuavai e faʻafefe ma pasi i totonu o le sulfur dioxide mo le faʻamaʻiina e maua ai se oloa mama, lea e fufulu ma faʻamaʻaina ona faʻamama lea e maua ai le oloa.

4. Sulfonation alkali melting method Tuu naphthalene fa'amamaina i totonu o se ulo sulfonation ma vevela (liusuavai) i le 140°C.Fa'aopoopo le 1.085 taimi (molar ratio) fa'asa'o sulfuric acid i totonu ole 20min, fa'aopoopo le vevela, ma fa'atumauina ile 160～164℃ mo le 2.5h.Ole tali e muta pe a oʻo ile 2-naphthalenesulfonic acid ile 66% pe sili atu ma le aofaʻi ole acidity e 25% -27%.O le sulfonate o lo'o fa'asusuina i totonu o se ulo hydrolysis i le 140 ~ 150 ℃ mo le 1h.Ona i totonu o se ulo fa'apa'u, fa'a'ese'ese i le vaifofo sodium bisulfite i le 80~90 ℃ se'ia le liua le pepa su'e mumu Congo.Fa'aaogā le ausa ma le ea e tuli ese ai le kasa SO2, fa'alili i le 30-40°C ona fa'amama lea, fufulu ile 10% vai masima, ona fa'amama lea e maua ai le sodium 2-naphthalenesulfonate.Tuu le sodium hydroxide i totonu o se fagu faʻafefete, vevela (liusuavai) i le 290°C, ma faʻaopopo le sodium 2-naphthalenesulfonate i le tusa ma le 3 itula seia oʻo i le 5% i le 6%.A maeʻa lena, na teuina i le 320-330 ° C mo le 1 itula.Alkali liusuavai e fa'afefeteina i le vai ma pasia SO2 i le 70 ~ 80 ℃ seia o'o ina le lanu le phenolphthalein.Fa'aopoopo le vai e fa'apuna ma fufulu, aveese le sodium sulfite, ona fa'amama ma fa'amama i lalo o le fa'aitiitia o le mamafa e maua ai le oloa mae'a.O le aofaʻi o fua e 73% i le 74%.O le auala 2-isopropylnaphthalene e fa'aogaina ai le naphthalene ma le propylene e fai ma mea mata e gaosia ai le 2-naphthol ae o le acetone fa'atasi.

mea mata i luga: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–> Sua malō

O oloa pito i lalo: 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 black T–> 6-hydroxynaphthalene-2-boronic acid–>2-naphthol-3,6-disulfonic acid disodium- ->1-Naphthyldiazo-2-hydroxy-4-sulfonic acid i totonu masima–>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->Synthetic Tanning Agent Nu. 9