Gyara bayanan jiki

1. Dukiya: fari zuwa ja lu'ulu'u masu laushi, duhu a launi lokacin adana cikin iska na dogon lokaci.

2. Yawan yawa (g/ml, 20/4℃): 1.181.

3. Yawan dangi (20℃, 4℃): 1.25. 4.

Matsayin narkewa (ºC): 122-123. 5.

Wurin tafasa (ºC, atmospheric matsa lamba): 285 ~ 286. 6.

6. filashi (ºC): 153. 7. solubility: insoluble.

Solubility: maras narkewa a cikin ruwan sanyi, mai narkewa a cikin ruwan zafi, ethanol, ether, chloroform, benzene, glycerin da lye [1].

Gyaran bayanai

1. Molar refractive index: 45.97

2. Girman Molar (cm3/mol): 121.9

3, Isotonic takamaiman girma (90.2K): 326.1

4. Surface tashin hankali (3.0 dyne / cm): 51.0

5, Rabawan Polarization (0.5 10-24cm3): 18.22 [1]

Hali da kwanciyar hankali

gyara

1. Toxicology yayi kama da phenol, kuma yana da ƙarfi da lalata. Ƙarfin fushi ga fata. Yana da sauƙin shiga ta fata. Mai guba ga jini da koda. Bugu da ƙari, yana iya haifar da lalacewar corneal. Ko da yake ba a san adadin masu mutuwa ba, an sami lokuta masu mutuwa daga aikace-aikacen 3 zuwa 4g. Ya kamata a rufe kayan aikin samarwa kuma a rufe su, kuma ya kamata a wanke su a kan lokaci idan an fantsama a fata. Ya kamata a ba da isassun wuraren bita sannan kayan aiki su kasance masu hana iska. Masu aiki su sa kayan kariya.

2. Flammable, launi na dogon ajiya a hankali ya zama duhu, tsayayye a cikin iska, amma idan an fallasa zuwa rana a hankali ya zama duhu. Sublimation ta hanyar dumama, tare da warin phenol mai ban haushi.

3. akwai a cikin bututun hayaki. 4.

4. Maganin ruwa mai ruwa ya zama kore tare da ferric chloride [1].

Hanyar ajiya

gyara

1. An lullube shi da jakunkuna, buhu ko saƙa, nauyi 50kg ko 60kg kowace jaka.

2. ajiya da sufuri yakamata su kasance masu hana wuta, tabbatar da danshi, hana fallasa. Ajiye a busasshen wuri mai iska. Ajiye da jigilar kaya bisa ga ka'idojin kayan wuta da masu guba.

Hanyar roba

gyara

1. Ana yin shi daga naphthalene ta hanyar sulfonation da narkewar alkali. Sulfonation alkali narkewa hanya ce da ake amfani da ita sosai a gida da waje, amma lalatawar tana da tsanani, farashin yana da yawa kuma yawan iskar oxygen da ruwa mai datti ya yi yawa. Hanyar 2-isopropylnaphthalene da Kamfanin Cyanamid na Amurka ya haɓaka yana ɗaukar naphthalene da propylene a matsayin kayan albarkatun kasa, kuma yana samar da samfurori na 2-naphthol da acetone a lokaci guda, wanda yayi kama da yanayin phenol ta hanyar isopropylbenzene. Adadin amfani da albarkatun kasa: 1170kg/t lafiya naphthalene, 1080kg/t sulfuric acid, 700kg/t m caustic soda.

2. Zafi narkakken naphthalene mai tsafta zuwa 140 ℃, tare da rabo na naphthalene: sulfuric acid = 1: 1.085 (molar rabo), sulfuric acid na 98% a cikin 20min, da sulfuric acid na 98% a cikin 20min.

Sakamakon zai ƙare lokacin da abun ciki na 2-naphthalenesulfonic acid ya kai sama da 66% kuma jimlar acidity shine 25% -27%, sannan za'a aiwatar da maganin hydrolysis a 160 ℃ na 1h, naphthalenes kyauta za a busa ta ruwa tururi. a 140-150 ℃, sa'an nan kuma dangi yawa na 1.14 naphthalenes za a kara a hankali da kuma a ko'ina a 80-90 ℃ a gaba. Maganin sodium sulfite yana raguwa har sai takardar gwajin jan Kongo ba ta canza shuɗi ba. Reaction na sulfur dioxide gas generated a cikin dace hanya tare da tururi kau, da neutralization kayayyakin sanyaya zuwa 35 ~ 40 ℃ sanyaya lu'ulu'u, tsotsa da lu'ulu'u daga tace da 10% gishiri ruwa, bushe, kara zuwa narkakkar jihar na 98% sodium. hydroxide a 300 ~ 310 ℃, stirring da kula 320 ~ 330 ℃, sabõda haka, sodium 2-naphthalene sulfonate tushe fused zuwa 2-naphthol sodium, sa'an nan kuma amfani da ruwan zafi don tsarma tushe narke, sa'an nan kuma shiga cikin sama Neutralize da sulfur dioxide da aka samar ta hanyar amsawa, halayen acidification a 70 ~ 80 ℃ har sai phenolphthalein ba shi da launi. A acidification kayayyakin za su zama a tsaye layering, na sama Layer na ruwa mai tsanani zuwa tafasa, a tsaye, raba zuwa ruwa mai ruwa Layer, da danyen samfurin 2-naphthol farko mai tsanani dehydration, sa'an nan decompression distillation, na iya zama m samfur.

3. Hanyar cirewa da crystallization don cire 1-naphthol a cikin 2-naphthol. Mix 2-naphthol da ruwa a cikin wani rabo da zafi zuwa 95 ℃, lokacin da 2-naphthol ya narke, motsa cakuda da karfi da kuma rage zafin jiki zuwa 85 ℃ ko makamancin haka, kwantar da crystallized slurry samfurin zuwa dakin zafin jiki da kuma tace. Abubuwan da ke cikin 1-naphthol ana iya gano su ta hanyar bincike mai tsabta. 4.

Ana samar da shi daga 2-naphthalenesulfonic acid ta hanyar narkewar alkali [2].

Hanyar ajiya

gyara

1. An lullube shi da jakunkuna, buhu ko saƙa, nauyi 50kg ko 60kg kowace jaka.

2. ajiya da sufuri yakamata su kasance masu hana wuta, tabbatar da danshi, hana fallasa. Ajiye a busasshen wuri mai iska. Ajiye da jigilar kaya bisa ga ka'idojin kayan wuta da masu guba.

Amfani

gyara

1. Muhimman kayan albarkatun halitta da masu tsaka-tsakin launi, da aka yi amfani da su a cikin samar da tartaric acid, butyric acid, β-naphthol-3-carboxylic acid, kuma ana amfani da su a cikin samar da antioxidant butyl, antioxidant DNP da sauran antioxidants, kwayoyin pigments da fungicides.

2. An yi amfani da shi azaman reagent don ƙayyade sulfonamide da amines masu kamshi ta chromatography na bakin ciki. Hakanan ana amfani dashi don haɓakar kwayoyin halitta.

3. Ana amfani da shi don inganta cathodic polarization, tace crystallization da kuma rage pore size a acidic tin plating. Saboda yanayin hydrophobic na wannan samfurin, abin da ya wuce kima zai haifar da hazo na gelatin da hazo, wanda zai haifar da streaks a cikin plating.

4. Yafi amfani dashi wajen samar da acid orange Z, acid orange II, acid black ATT, acid mordant black T, acid mordant baki A, acid mordant baki R, acid hadaddun ruwan hoda B, acid hadaddun ja launin ruwan kasa BRRW, acid hadaddun baki WAN . orange X-GN mai haske, K-GN mai haske orange. Tsabtace Purple BL, Baƙar fata BGL, Direct Copper Salt Blue 2R, Tsayayyar Hasken Rana kai tsaye Blue B2PL, Direct Blue RG, Direct Blue RW da sauran rinayen [2].