Orange II (1-p-Sulfobenzeneozo-2-na

Orange II (1-p-Sulfobenzeneozo-2-naphthol Sodium Salt
In a 400 ml beaker dissolve 3,6 g of β-naphthol in 20 ml of cold 10 % sodium hydroxide solution and pour into this solution, with stirring, the suspension of diazotized sulfanilic acid (rinse). Coupling occurs very rapidly and the dye, being a sodium salt, separates easily from the solution onaccount of the presence of a considerable excess of sodium ion (from the soda, the nitrite, and the alkali added). Stir the crystalline paste throughly to effect good mixing and after 5-10 minutes heat the mixture untill the solid is dissolved. Add 10 g os sodum chloride to further decrease the solubility of the product, bring this all into solution by heating and stirring, set the beaker in a pan of ice and water, and let the solution cool undisturbed. Eventually cool throughly by stir, ring and collect the product on a Buchner funnel. Use saturated sodium chloride solution rather than water for rinsing the material out of the beaker and for washing the filter cake free from the dark colored mother liquor. The filtration is somewhat slow.
The product dries only slowly and it contains about 20% of sodium chloride. The crude yield is thus not significant and the material need to be dried before being purified. This azo dye is too soluble to be crystallized from water; it can be obtained in a fairly satisfactory form by adding saturated sodium chloride solution to ahot, filtered solution in water and cooling, but the best crystals are obtained from aqueous ethanol. Transfer the filter cake to a beaker, wash the material from the paper and funnel with water, and bting the substance into solution at the boilling point. Avoid a large excess of water, but use enough to prevent separation of solid during filtration (volume : about 50 ml). Filter by suction through a Buchner funnel that has been preheated on the steam bath. Pour the filtrate into an erlenmeyer flask (wash), estimate the volume. And if this is greater than 60 ml, evaporate by boiling. Cool to 800, add 100-125 ml of alcohol and allow crystallization to proceed. Cool well before collecting. Rinse the beaker with mother liquor and wash finally with a little alcohol. The yield of pure, crystalline material is 6-8 g. Orange II separates from aqueous alcohol with two molecules of water of crystallization and allowance for this should be made in calculation of the yield. When the water of hydration is eliminated by driving at 1200 the material becomes fiery red.

Hasil (Bahasa Indonesia) 1:

Orange II (1-p-Sulfobenzeneozo-2-naphthol Sodium SaltIn a 400 ml beaker dissolve 3,6 g of β-naphthol in 20 ml of cold 10 % sodium hydroxide solution and pour into this solution, with stirring, the suspension of diazotized sulfanilic acid (rinse). Coupling occurs very rapidly and the dye, being a sodium salt, separates easily from the solution onaccount of the presence of a considerable excess of sodium ion (from the soda, the nitrite, and the alkali added). Stir the crystalline paste throughly to effect good mixing and after 5-10 minutes heat the mixture untill the solid is dissolved. Add 10 g os sodum chloride to further decrease the solubility of the product, bring this all into solution by heating and stirring, set the beaker in a pan of ice and water, and let the solution cool undisturbed. Eventually cool throughly by stir, ring and collect the product on a Buchner funnel. Use saturated sodium chloride solution rather than water for rinsing the material out of the beaker and for washing the filter cake free from the dark colored mother liquor. The filtration is somewhat slow. Produk mengering hanya perlahan-lahan dan berisi sekitar 20% natrium klorida. Hasil kotor tidak signifikan dan materi harus dikeringkan sebelum dimurnikan. Pewarna azo ini terlalu larut untuk mengkristal dari air; ia dapat diperoleh dalam bentuk cukup memuaskan dengan menambahkan jenuh larutan natrium klorida panas, disaring solusi dalam air dan pendinginan, tetapi kristal terbaik Diperoleh dari etanol berair. Transfer kue filter ke beaker, cuci materi dari kertas dan saluran air, dan bting substansi ke dalam larutan pada titik boilling. Menghindari berlebih air, tetapi menggunakan cukup untuk mencegah pemisahan padat selama filtrasi (volume: sekitar 50 ml). Menyaring berdasarkan hisap melalui corong Buchner yang telah telah dipanaskan di pemandian uap. Tuangkan Filtrat ke dalam Erlenmeyer (cuci), perkiraan volume. Dan jika ini lebih besar dari 60 ml, menguap dengan merebus. Dingin ke 800, menambahkan 100-125 ml alkohol dan memungkinkan kristalisasi untuk melanjutkan. Baik dingin sebelum mengumpulkan. Bilas beaker dengan larutan induk dan mencuci akhirnya dengan sedikit alkohol. Hasil dari bahan murni, kristal adalah 6-8 g. Orange II memisahkan dari larutan alkohol dengan dua molekul air dari kristalisasi dan penyisihan ini harus dibuat dalam perhitungan hasil. Ketika air dari hidrasi dihilangkan oleh mengemudi di 1200 bahan menjadi berapi-api merah.