DE96104A - - Google Patents

Info

Publication number

DE96104A

DE96104A DE96104A DE 96104 A DE96104 A DE 96104A DE 96104 A DE96104 A DE 96104A

Authority

DE

Germany

Prior art keywords

base

formaldehyde

tolidine

sulfuric acid

dyes

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.)

Pending

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 16
• QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
• 238000000034 method Methods 0.000 claims description 3
• 238000002844 melting Methods 0.000 claims description 2
• 230000008018 melting Effects 0.000 claims description 2
• NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical compound C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 claims 1
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
• 239000000975 dye Substances 0.000 description 5
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
• 229910021653 sulphate ion Inorganic materials 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
• 229920000742 Cotton Polymers 0.000 description 1
• 125000003368 amide group Chemical group 0.000 description 1
• 239000007795 chemical reaction product Substances 0.000 description 1
• 238000002425 crystallisation Methods 0.000 description 1
• 230000008025 crystallization Effects 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 239000008098 formaldehyde solution Substances 0.000 description 1
• ACXCKRZOISAYHH-UHFFFAOYSA-N molecular chlorine hydrate Chemical compound O.ClCl ACXCKRZOISAYHH-UHFFFAOYSA-N 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 239000000047 product Substances 0.000 description 1
• 239000011541 reaction mixture Substances 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 239000002904 solvent Substances 0.000 description 1