DE3882577D1 - Verfahren zur reinigung von rohem 4-aminophenol. - Google Patents
Verfahren zur reinigung von rohem 4-aminophenol.Info
- Publication number
- DE3882577D1 DE3882577D1 DE8888303826T DE3882577T DE3882577D1 DE 3882577 D1 DE3882577 D1 DE 3882577D1 DE 8888303826 T DE8888303826 T DE 8888303826T DE 3882577 T DE3882577 T DE 3882577T DE 3882577 D1 DE3882577 D1 DE 3882577D1
- Authority
- DE
- Germany
- Prior art keywords
- aminophenol
- raffinate
- resultant
- solution
- adjusting
- 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.)
- Expired - Lifetime
Links
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 title abstract 12
- 238000000034 method Methods 0.000 title abstract 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 6
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 abstract 4
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 abstract 3
- 239000006227 byproduct Substances 0.000 abstract 3
- 239000010410 layer Substances 0.000 abstract 3
- 239000000243 solution Substances 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000000706 filtrate Substances 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000012044 organic layer Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000011369 resultant mixture Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/74—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C215/76—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton of the same non-condensed six-membered aromatic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/043,787 US4870209A (en) | 1987-04-29 | 1987-04-29 | Process for purifying crude 4-aminophenol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3882577D1 true DE3882577D1 (de) | 1993-09-02 |
| DE3882577T2 DE3882577T2 (de) | 1993-11-18 |
Family
ID=21928889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE88303826T Expired - Lifetime DE3882577T2 (de) | 1987-04-29 | 1988-04-28 | Verfahren zur Reinigung von rohem 4-Aminophenol. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4870209A (de) |
| EP (1) | EP0289298B1 (de) |
| JP (1) | JP2618433B2 (de) |
| CN (1) | CN1021818C (de) |
| AT (1) | ATE92035T1 (de) |
| AU (1) | AU611429B2 (de) |
| CA (1) | CA1309109C (de) |
| DE (1) | DE3882577T2 (de) |
| ES (1) | ES2058270T3 (de) |
| GR (1) | GR1000214B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5155269A (en) * | 1984-01-30 | 1992-10-13 | Mallinckrodt | Purification of p-aminophenol compositions and direct conversion to N-acetyl-p-aminophenol |
| FR2760446B1 (fr) * | 1997-03-07 | 1999-05-14 | Rhodia Chimie Sa | Procede de decoloration d'effluents aqueux comprenant des amines aromatiques |
| CN101216468B (zh) * | 2008-01-11 | 2012-04-18 | 上海化学试剂研究所 | 2-甲氧甲基-4-氨基苯酚及其杂质的高效液相色谱分析方法 |
| JPWO2012029276A1 (ja) * | 2010-09-01 | 2013-10-28 | 日本曹達株式会社 | フェノール性化合物を用いた記録材料 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE757391A (fr) * | 1969-10-16 | 1971-04-13 | Howard Hall & Cy | Purification de p-aminophenol |
| BE757390A (fr) * | 1969-10-16 | 1971-04-13 | Howard Hall & Cy | Purification de p-aminophénol |
| BE758463A (fr) * | 1969-11-04 | 1971-05-04 | Howard Hall & Cy | Purification du p-aminophénol |
| GB1291642A (en) * | 1970-01-28 | 1972-10-04 | Macfarlan Smith Ltd | PURIFICATION OF p-AMINOPHENOL |
| GB1553389A (en) * | 1976-12-17 | 1979-09-26 | Graesser Salicylates Ltd | Purification of aminophenols |
| US4139562A (en) * | 1978-03-13 | 1979-02-13 | Mitsui Toatsu Chemicals, Inc. | Process for purifying crude p-aminophenol |
| US4440954A (en) * | 1980-06-05 | 1984-04-03 | Mallinckrodt, Inc. | Process for the purification of p-aminophenol |
| JPH06156158A (ja) * | 1992-11-30 | 1994-06-03 | Honda Motor Co Ltd | 自動車用サイドプロテクター |
-
1987
- 1987-04-29 US US07/043,787 patent/US4870209A/en not_active Expired - Lifetime
-
1988
- 1988-04-22 JP JP63098415A patent/JP2618433B2/ja not_active Expired - Lifetime
- 1988-04-27 CA CA000565251A patent/CA1309109C/en not_active Expired - Lifetime
- 1988-04-28 DE DE88303826T patent/DE3882577T2/de not_active Expired - Lifetime
- 1988-04-28 AT AT88303826T patent/ATE92035T1/de not_active IP Right Cessation
- 1988-04-28 AU AU15285/88A patent/AU611429B2/en not_active Expired
- 1988-04-28 EP EP88303826A patent/EP0289298B1/de not_active Expired - Lifetime
- 1988-04-28 ES ES88303826T patent/ES2058270T3/es not_active Expired - Lifetime
- 1988-04-29 GR GR880100282A patent/GR1000214B/el not_active IP Right Cessation
- 1988-04-29 CN CN88102680A patent/CN1021818C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA1309109C (en) | 1992-10-20 |
| ES2058270T3 (es) | 1994-11-01 |
| AU1528588A (en) | 1988-11-03 |
| JPS63280047A (ja) | 1988-11-17 |
| GR880100282A (en) | 1989-01-31 |
| CN1021818C (zh) | 1993-08-18 |
| US4870209A (en) | 1989-09-26 |
| EP0289298B1 (de) | 1993-07-28 |
| ATE92035T1 (de) | 1993-08-15 |
| EP0289298A2 (de) | 1988-11-02 |
| AU611429B2 (en) | 1991-06-13 |
| JP2618433B2 (ja) | 1997-06-11 |
| DE3882577T2 (de) | 1993-11-18 |
| GR1000214B (el) | 1992-04-17 |
| CN88102680A (zh) | 1988-11-23 |
| EP0289298A3 (en) | 1989-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN |