DE125668C - - Google Patents

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Publication number

DE125668C

DE125668C DENDAT125668D DE125668DA DE125668C DE 125668 C DE125668 C DE 125668C DE NDAT125668 D DENDAT125668 D DE NDAT125668D DE 125668D A DE125668D A DE 125668DA DE 125668 C DE125668 C DE 125668C

Authority

DE

Germany

Prior art keywords

amidophenol

color

black

solution

product

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

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• 239000007859 condensation product Substances 0.000 claims description 4
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
• 238000010438 heat treatment Methods 0.000 claims 1
• 238000000034 method Methods 0.000 claims 1
• 238000002360 preparation method Methods 0.000 claims 1
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
• DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 3
• 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 3
• LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
• COHYTHOBJLSHDF-UHFFFAOYSA-N Indigo Chemical compound N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• 238000006243 chemical reaction Methods 0.000 description 2
• 239000007795 chemical reaction product Substances 0.000 description 2
• 239000000047 product Substances 0.000 description 2
• RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
• FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
• NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
• BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
• 239000003518 caustics Substances 0.000 description 1
• 239000003086 colorant Substances 0.000 description 1
• 238000004040 coloring Methods 0.000 description 1
• 238000000354 decomposition reaction Methods 0.000 description 1
• 238000002845 discoloration Methods 0.000 description 1
• 238000004043 dyeing Methods 0.000 description 1
• 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
• 150000002989 phenols Chemical class 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 239000011780 sodium chloride Substances 0.000 description 1
• GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
• 229910052717 sulfur Inorganic materials 0.000 description 1
• 239000011593 sulfur Substances 0.000 description 1
• 239000000988 sulfur dye Substances 0.000 description 1