DE256335C - - Google Patents

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Publication number

DE256335C

DE256335C DENDAT256335D DE256335DA DE256335C DE 256335 C DE256335 C DE 256335C DE NDAT256335 D DENDAT256335 D DE NDAT256335D DE 256335D A DE256335D A DE 256335DA DE 256335 C DE256335 C DE 256335C

Authority

DE

Germany

Prior art keywords

nitrate

solution

sodium

ammonium nitrate

ammonium

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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• VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 46
• PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 30
• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 25
• 235000010344 sodium nitrate Nutrition 0.000 claims description 23
• 239000004317 sodium nitrate Substances 0.000 claims description 23
• 229910052938 sodium sulfate Inorganic materials 0.000 claims description 21
• 235000011152 sodium sulphate Nutrition 0.000 claims description 21
• 239000000243 solution Substances 0.000 claims description 21
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
• 238000000034 method Methods 0.000 claims description 11
• 239000012452 mother liquor Substances 0.000 claims description 11
• 150000003839 salts Chemical class 0.000 claims description 11
• 239000000203 mixture Substances 0.000 claims description 10
• BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 9
• 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 9
• 235000011130 ammonium sulphate Nutrition 0.000 claims description 9
• 239000002244 precipitate Substances 0.000 claims description 4
• 239000012047 saturated solution Substances 0.000 claims description 3
• 239000007864 aqueous solution Substances 0.000 claims description 2
• 238000006243 chemical reaction Methods 0.000 description 14
• 239000003637 basic solution Substances 0.000 description 12
• 229920006395 saturated elastomer Polymers 0.000 description 6
• 239000003513 alkali Substances 0.000 description 3
• 238000001816 cooling Methods 0.000 description 3
• 238000001704 evaporation Methods 0.000 description 3
• 230000008020 evaporation Effects 0.000 description 3
• 238000000926 separation method Methods 0.000 description 3
• 238000002360 preparation method Methods 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• 238000005406 washing Methods 0.000 description 2
• QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
• 238000010924 continuous production Methods 0.000 description 1
• 239000012895 dilution Substances 0.000 description 1
• 238000010790 dilution Methods 0.000 description 1
• YPPFWRWCZNXINO-UHFFFAOYSA-N methyl 1-hydroxy-6-phenyl-4-(trifluoromethyl)indole-2-carboxylate Chemical compound C1=C2N(O)C(C(=O)OC)=CC2=C(C(F)(F)F)C=C1C1=CC=CC=C1 YPPFWRWCZNXINO-UHFFFAOYSA-N 0.000 description 1
• 238000001556 precipitation Methods 0.000 description 1