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Nọmba CAS: 135-19-3
Usoro ihe omimi: C10H8O
Ibu ibu: 144.17
Nọmba EINECS: 205-182-7

Ụdị emetụtara:

Ndị na-eme mkpọtụ; onye na-eme ihe; na-eme mkpọtụ; na-egbu egbu;

2-naphthol ojiji na usoro njikọ

Njirimara kemịkalụ:flakes na-acha ọcha ma ọ bụ ntụ ntụ ọcha.Na-adịghị edozi na mmiri, soluble na ethanol, ether, chloroform, glycerin na alkali ngwọta.

Jiri:
1. A na-eji ya na nkwadebe nke Tobias acid, J acid, 2,3 acid na azo dyes, ma bụrụkwa ihe eji eme ihe maka antioxidants roba, ndị na-edozi mineral, fungicides, antifungal agents, preservatives, wdg.
2. Dị ka ihe nchekwa, obodo m na-ekwu na enwere ike iji ya mee ihe maka nchekwa citrus, ọnụ ọgụgụ kachasị elu bụ 0.1g / kg, na ihe fọdụrụnụ abụghị ihe karịrị 70mg / kg.
3. Ethylnaphthol, nke a makwaara dị ka β-naphthol na 2-naphthol, bụ etiti nke onye na-ahụ maka uto osisi naphthoxyacetic acid.
4. Ejiri ya dị ka ihe nchekwa nri.Dị ka obodo anyị si kwuo, a pụkwara iji ya mee ihe maka nchekwa citrus.Ọnụ ego kacha eji eme ihe bụ 0.1g/kg, ego fọdụrụnụ abụghị ihe karịrị 70mg/kg.
5. Eji ya dị ka nyocha reagent, ethylene, carbon monoxide absorbent na fluorescent egosi.
6. Ihe dị mkpa organic akụrụngwa na agba etiti, nke a na-eji na-emepụta Toubic acid, butyric acid, β-naphthol-3-carboxylic acid, na-eji na-emepụta ihe mgbochi ịka nká D, onye na-ahụ maka ịka nká DNP na ndị ọzọ mgbochi. -ihe na-eme agadi, organic pigment na fungicides Chere.
7. Ejiri ya na nkwadebe nke Tobias acid, J acid, 2.3-acid, ma jiri ya mee ihe maka nkwadebe nke onye na-eme ihe na-eme ka ịka nká D, onye na-ahụ maka ịka nká DNP na ndị na-ahụ maka ịka nká, organic pigments na fungicides.
8. Nkwenye nke bromine, chlorine, chlorate, niobium, ọla kọpa, nitrite na potassium.Fluorescence Chemicalbook foto nchọpụta mkpụrụ nke phenolsulfonyltransferase.Nnwale mkpebi siri ike nke ndị na-egosi acid-base, e ji esiji ákwà, njikọ organic, mmanya alyl, methanol, chloroform, wdg. Carbon monoxide, ethanol absorbent, fluorescent egosi.
9. Nkwenye nke bromine, chlorine, chlorate, niobium, ọla kọpa, nitrite na potassium;mkpebi siri ike nke carbon monoxide, ọla kọpa, nitrite na potassium;qualitative mkpebi siri ike nke allyl mmanya, methanol, chloroform, wdg;phenolsulfon transferase Fluorescence nha mkpụrụ;ethylene absorber;ihe ngosi fluorescent;ihe ngosi acid-base;agba agba etiti.

Usoro mmepụta:
1. A na-eme ya site na naphthalene site na sulfonation na alkali fusion.Usoro ngwakọta nke sulfonated alkali bụ usoro a na-ejikarị eme ihe n'ụlọ na ná mba ọzọ, mana ọ nwere nnukwu corrosion, ọnụ ahịa dị elu, yana oriri oxygen dị elu na mmiri na-ekpofu mmiri.Usoro 2-isopropylnaphthalene nke American Cyanamide Company mepụtara na-eji naphthalene na propylene dị ka akụrụngwa iji mepụta 2-naphthol dị ka ihe sitere na acetone.Usoro a yiri mmepụta phenol site na usoro cumene.Oke oriri ihe oriri: naphthalene a nụchara anụcha 1170kg/t, sulfuric acid 1080kg/t, soda caustic siri ike 700kg/t.

2.1) Sulfonated alkali agbaze usoro.Tinye naphthalene a nụchara anụcha n'ime ite sulfonation wee kpoo ọkụ (gbazee) ruo 140 Celsius.Tinye 1.085 ugboro (molar ratio) sulfuric acid gbadoro anya n'ime nkeji 20, mee ka okpomọkụ dịkwuo elu, ma debe ya na 160-164 ° C maka awa 2.5.Mmeghachi omume na-agwụ mgbe ọdịnaya nke 2-naphthalenesulfonic acid ruru 66% ma ọ bụ karịa na mkpokọta acidity bụ 25%-27%.A na-agbanye sulfonate n'ime ite hydrolysis na 140-150 ℃ maka 1h.Mgbe ahụ, na ite neutralization, wepụ ya na sodium hydrogen nitrite ngwọta na 80-90 Celsius ruo mgbe akwụkwọ nyocha ọbara ọbara Kongo anaghị atụgharị na-acha anụnụ anụnụ.Jiri uzuoku na ikuku chụpụ gas SO2, dị jụụ ruo 30-40ºC wee mee nzacha mmiri, jiri mmiri nnu 10% wee sachaa, wee nweta sodium 2-naphthalenesulfonate.Tinye sodium hydroxide n'ime ite alkali na-agbaze, kpoo ọkụ (gbaze) ruo 290 Celsius C, tinye sodium 2-naphthalenesulfonate n'ime ihe dị ka awa 3 ruo mgbe ọdịnaya alkali n'efu bụ 5%-6%.Mgbe nke ahụ gasịrị, a na-edebe ya na 320-330 Celsius C maka awa 1.A na-agbaze alkaline na mmiri wee gafere SO2 na 70-80 Celsius ruo mgbe phenolphthalein enweghị agba.Tinye mmiri ka obụpde na saa, wepụ sodium sulfite, wee kpoo mmiri ma gbanye n'okpuru nrụgide dị ntakịrị iji nweta ngwaahịa emechara.Ngụkọta mkpụrụ bụ 73% -74%.
2) 2-isopropylnaphthalene usoro.Akwụkwọ kemịkalụ, nke na-eji naphthalene na propylene dị ka akụrụngwa, na-emepụta 2-naphthol n'otu oge ahụ dị ka ihe sitere na acetone.

3. Usoro nkwadebe bụ ịgbakwunye sulfuric acid na naphthalene a wụrụ awụ na 140 Celsius C, mee sulfonation na 162 ~ 164 Celsius C, hydrolyzed sulfony, fepụ naphthalene efu, ma meghachi omume na sodium sulfite iji mepụta 2-naphthalenesulfonic acid sodium nnu. .Nnu sodium siri ike na sodium hydroxide na-agbaze alkali na 285-320 Celsius, wee debe ya na 320-330 ° C maka otu awa.A na-agbaze alkali gbazee wee banye n'ime sọlfọ dioxide maka acidification iji nweta ngwaahịa crude, nke a na-asacha na mmiri mmiri na-ekpo ọkụ wee gbanye ya iji nweta ngwaahịa ahụ.

4. Sulfonation alkali agbaze usoro Tinye naphthalene a nụchara anụcha n'ime ite sulfonation na okpomọkụ (gbazee) ruo 140 ° C.Tinye 1.085 ugboro (molar ratio) sulfuric acid gbadoro anya n'ime nkeji 20, mee ka okpomọkụ dịkwuo elu, ma debe ya na 160 ~ 164 ℃ maka 2.5h.Mmeghachi omume na-agwụ mgbe ọdịnaya nke 2-naphthalenesulfonic acid ruru 66% ma ọ bụ karịa na mkpokọta acidity bụ 25%-27%.A na-agbanye sulfonate n'ime ite hydrolysis na 140 ~ 150 ℃ maka 1 h.Mgbe ahụ na ite neutralization, wepụ ya na sodium bisulfite ngwọta na 80 ~ 90 ℃ ruo mgbe akwụkwọ nyocha ọbara ọbara Congo anaghị atụgharị na-acha anụnụ anụnụ.Jiri uzuoku na ikuku chụpụ gas SO2, dị jụụ ruo 30-40ºC wee mee nzacha mmiri, jiri mmiri nnu 10% wee sachaa, wee nweta sodium 2-naphthalenesulfonate.Tinye sodium hydroxide n'ime ite alkali na-agbaze, kpoo ọkụ (gbazee) ruo 290 Celsius C, tinye sodium 2-naphthalenesulfonate n'ime ihe dị ka awa 3 ruo mgbe ọdịnaya alkali n'efu bụ 5% ruo 6%.Mgbe nke ahụ gasịrị, a na-edebe ya na 320-330 Celsius C maka 1 hour.A na-agbaze alkaline na mmiri wee gafee SO2 na 70 ~ 80 ℃ ruo mgbe phenolphthalein enweghị agba.Tinye mmiri ka obụpde na saa, wepụ sodium sulfite, wee kpoo mmiri ma gbanye n'okpuru nrụgide dị ntakịrị iji nweta ngwaahịa emechara.Ngụkọta mkpụrụ bụ 73% ruo 74%.Usoro 2-isopropylnaphthalene na-eji naphthalene na propylene dị ka akụrụngwa iji mepụta 2-naphthol mgbe ọ na-emepụta acetone.

Ngwa akụrụngwa dị n'elu: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–> Soda caustic siri ike

Ngwaahịa mgbada: 2-naphthylamine–>R-1,1′-bin-2-naphthol–>Pigmenti uhie 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 ojii T–> 6-hydroxynaphthalene-2-boronic acid–>2-naphthol-3,6-disulfonic acid disodium- ->1-Naphthyldiazo-2-hydroxy-4-sulfonic acid n'ime nnu–>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 -> Ọkara 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–>SAgent Tanning ynthetic Nke 9