DE109609C - - Google Patents

Info

Publication number

DE109609C

DE109609C DENDAT109609D DE109609DA DE109609C DE 109609 C DE109609 C DE 109609C DE NDAT109609 D DENDAT109609 D DE NDAT109609D DE 109609D A DE109609D A DE 109609DA DE 109609 C DE109609 C DE 109609C

Authority

DE

Germany

Prior art keywords

sulfonic acid

naphthylenediamine

acid

acetic anhydride

monoacetyl

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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• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 15
• LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 6
• 239000002253 acid Substances 0.000 claims description 5
• 238000000034 method Methods 0.000 claims description 3
• 239000007864 aqueous solution Substances 0.000 claims description 2
• 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
• 238000004519 manufacturing process Methods 0.000 claims description 2
• 239000011707 mineral Substances 0.000 claims description 2
• 150000003839 salts Chemical class 0.000 claims description 2
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
• 150000007513 acids Chemical class 0.000 claims 1
• 239000000987 azo dye Substances 0.000 claims 1
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 2
• VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
• 229960000583 acetic acid Drugs 0.000 description 2
• 125000003368 amide group Chemical group 0.000 description 2
• 238000009835 boiling Methods 0.000 description 2
• 239000012362 glacial acetic acid Substances 0.000 description 2
• 239000001632 sodium acetate Substances 0.000 description 2
• 235000017281 sodium acetate Nutrition 0.000 description 2
• 235000002639 sodium chloride Nutrition 0.000 description 2
• 239000000243 solution Substances 0.000 description 2
• -1 Diacetyl compound Chemical class 0.000 description 1
• FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
• 239000012345 acetylating agent Substances 0.000 description 1
• 230000021736 acetylation Effects 0.000 description 1
• 238000006640 acetylation reaction Methods 0.000 description 1
• 239000006227 byproduct Substances 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 239000000975 dye Substances 0.000 description 1
• 235000010755 mineral Nutrition 0.000 description 1
• 239000000047 product Substances 0.000 description 1
• 230000001681 protective effect Effects 0.000 description 1
• 229920006395 saturated elastomer Polymers 0.000 description 1
• 238000000926 separation method Methods 0.000 description 1
• 239000011780 sodium chloride Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1