DE125586C - - Google Patents

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Publication number

DE125586C

DE125586C DENDAT125586D DE125586DA DE125586C DE 125586 C DE125586 C DE 125586C DE NDAT125586 D DENDAT125586 D DE NDAT125586D DE 125586D A DE125586D A DE 125586DA DE 125586 C DE125586 C DE 125586C

Authority

DE

Germany

Prior art keywords

toluenediamine

sulfur

oxalic acid

mol

solution

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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• MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
• VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 claims description 6
• 235000006408 oxalic acid Nutrition 0.000 claims description 5
• NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
• 229910052717 sulfur Inorganic materials 0.000 claims description 4
• 239000011593 sulfur Substances 0.000 claims description 4
• 229920001021 polysulfide Polymers 0.000 claims description 3
• 238000000034 method Methods 0.000 claims description 2
• 241000145297 Vanni Species 0.000 claims 1
• 239000003513 alkali Substances 0.000 claims 1
• 239000007859 condensation product Substances 0.000 claims 1
• 238000002360 preparation method Methods 0.000 claims 1
• 239000000243 solution Substances 0.000 description 5
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
• 229920000742 Cotton Polymers 0.000 description 1
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
• HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• 229910052783 alkali metal Inorganic materials 0.000 description 1
• 150000001340 alkali metals Chemical class 0.000 description 1
• 239000007864 aqueous solution Substances 0.000 description 1
• 239000003638 chemical reducing agent Substances 0.000 description 1
• 238000004040 coloring Methods 0.000 description 1
• 239000000975 dye Substances 0.000 description 1
• 238000004043 dyeing Methods 0.000 description 1
• 239000000155 melt Substances 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 239000005077 polysulfide Substances 0.000 description 1
• 150000008117 polysulfides Polymers 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 239000000988 sulfur dye Substances 0.000 description 1
• QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1