BE372301A - - Google Patents

Info

Publication number

BE372301A

BE372301A BE372301DA BE372301A BE 372301 A BE372301 A BE 372301A BE 372301D A BE372301D A BE 372301DA BE 372301 A BE372301 A BE 372301A

Authority

BE

Belgium

Prior art keywords

dyes

chromium

ortho

prepared

desc

Prior art date

Links

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• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
• 238000000034 method Methods 0.000 claims description 9
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
• 239000000975 dye Substances 0.000 claims description 8
• 229910052804 chromium Inorganic materials 0.000 claims description 7
• 239000011651 chromium Substances 0.000 claims description 7
• 150000001844 chromium Chemical class 0.000 claims description 4
• 238000002360 preparation method Methods 0.000 claims description 4
• 238000010438 heat treatment Methods 0.000 claims description 3
• 229940051880 analgesics and antipyretics pyrazolones Drugs 0.000 claims description 2
• JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical class O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 claims description 2
• 230000008878 coupling Effects 0.000 claims 1
• 238000010168 coupling process Methods 0.000 claims 1
• 238000005859 coupling reaction Methods 0.000 claims 1
• 238000006467 substitution reaction Methods 0.000 claims 1
• 239000002253 acid Substances 0.000 description 4
• 229910052500 inorganic mineral Inorganic materials 0.000 description 3
• 239000011707 mineral Substances 0.000 description 3
• 239000000987 azo dye Substances 0.000 description 2
• 230000008030 elimination Effects 0.000 description 2
• 238000003379 elimination reaction Methods 0.000 description 2
• QPKNFEVLZVJGBM-UHFFFAOYSA-N 2-aminonaphthalen-1-ol Chemical class C1=CC=CC2=C(O)C(N)=CC=C21 QPKNFEVLZVJGBM-UHFFFAOYSA-N 0.000 description 1
• CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical class NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 1
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical class [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
• 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
• QELUYTUMUWHWMC-UHFFFAOYSA-N edaravone Chemical compound O=C1CC(C)=NN1C1=CC=CC=C1 QELUYTUMUWHWMC-UHFFFAOYSA-N 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• -1 oxy naphthalene-4 sulfonic acid Chemical compound 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
• 210000002268 wool Anatomy 0.000 description 1