CS208097B1 - Způsob stabilizace dietyl-m-aminofenólu pro vakuovou destilaci - Google Patents
Způsob stabilizace dietyl-m-aminofenólu pro vakuovou destilaci Download PDFInfo
- Publication number
- CS208097B1 CS208097B1 CS267980A CS267980A CS208097B1 CS 208097 B1 CS208097 B1 CS 208097B1 CS 267980 A CS267980 A CS 267980A CS 267980 A CS267980 A CS 267980A CS 208097 B1 CS208097 B1 CS 208097B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- diethyl
- aminophenol
- distillation
- stabilization
- aminophenole
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- 230000006641 stabilisation Effects 0.000 title description 2
- 238000011105 stabilization Methods 0.000 title description 2
- 238000004821 distillation Methods 0.000 claims description 13
- CWLKGDAVCFYWJK-UHFFFAOYSA-N m-Aminophenol Natural products NC1=CC=CC(O)=C1 CWLKGDAVCFYWJK-UHFFFAOYSA-N 0.000 claims description 11
- 229940018563 3-aminophenol Drugs 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- -1 diethyl m-aminophenol Chemical compound 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 7
- 238000005292 vacuum distillation Methods 0.000 claims description 7
- CYQBIIIAQYFGOP-UHFFFAOYSA-N 3-amino-2,4-diethylphenol Chemical compound CCC1=CC=C(O)C(CC)=C1N CYQBIIIAQYFGOP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- OJGMBLNIHDZDGS-UHFFFAOYSA-N N-Ethylaniline Chemical compound CCNC1=CC=CC=C1 OJGMBLNIHDZDGS-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YOIQWFZSLGRZJX-UHFFFAOYSA-N 2-(diethylamino)phenol Chemical compound CCN(CC)C1=CC=CC=C1O YOIQWFZSLGRZJX-UHFFFAOYSA-N 0.000 description 1
- LVIDDVVDZXNNRD-UHFFFAOYSA-N 2-amino-3-ethylphenol Chemical compound CCC1=CC=CC(O)=C1N LVIDDVVDZXNNRD-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- GGSUCNLOZRCGPQ-UHFFFAOYSA-N diethylaniline Chemical compound CCN(CC)C1=CC=CC=C1 GGSUCNLOZRCGPQ-UHFFFAOYSA-N 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Claims (1)
- PŘEDMĚTZpůsob stabilizace surového dietyl-m-aminofenolu pro vakuovou destilaci prováděnou za tlaku ; 0,6 až 3,5 kPa a teploty taveniny v rozmezí 145 °C až 210 °C, přídavkem stabilizátoru k surovému dietyl-m-aminofenolu před destilací vyznačený
Látka Množství, % hmot. Teplota tuhnutí průměr, vzorku, °C Výtěžek % K2CO3 1,5 71,0 92,1 NaOH 0,6 71,2 90,7 KOH 0,5 70,8 90,3 CaO 1,7 70,5 90,4 VYNÁLEZU tím, že se jako stabilizátoru použije hydroxidu anebo uhličitanu sodného či draselného nebo kysličníku vápenatého v množství 0,3 až 5,0 % hmotnostního, vztaženo na hmotnost 100 % dietyl-m-aminofenolu v násadě.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS267980A CS208097B1 (cs) | 1980-04-17 | 1980-04-17 | Způsob stabilizace dietyl-m-aminofenólu pro vakuovou destilaci |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS267980A CS208097B1 (cs) | 1980-04-17 | 1980-04-17 | Způsob stabilizace dietyl-m-aminofenólu pro vakuovou destilaci |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS208097B1 true CS208097B1 (cs) | 1981-08-31 |
Family
ID=5364574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS267980A CS208097B1 (cs) | 1980-04-17 | 1980-04-17 | Způsob stabilizace dietyl-m-aminofenólu pro vakuovou destilaci |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS208097B1 (cs) |
-
1980
- 1980-04-17 CS CS267980A patent/CS208097B1/cs unknown
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