CN105837452B - 2-甲基-5-硝基苯酚生产工艺 - Google Patents
2-甲基-5-硝基苯酚生产工艺 Download PDFInfo
- Publication number
- CN105837452B CN105837452B CN201610205000.4A CN201610205000A CN105837452B CN 105837452 B CN105837452 B CN 105837452B CN 201610205000 A CN201610205000 A CN 201610205000A CN 105837452 B CN105837452 B CN 105837452B
- Authority
- CN
- China
- Prior art keywords
- methyl
- sulfuric acid
- aminotoluene
- ortho
- concentrated sulfuric
- 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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- UMFDLIXUUJMPSI-UHFFFAOYSA-N 2-methyl-5-nitrophenol Chemical compound CC1=CC=C([N+]([O-])=O)C=C1O UMFDLIXUUJMPSI-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- VBEGHXKAFSLLGE-UHFFFAOYSA-N n-phenylnitramide Chemical class [O-][N+](=O)NC1=CC=CC=C1 VBEGHXKAFSLLGE-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 20
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Substances [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 18
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 235000010288 sodium nitrite Nutrition 0.000 claims description 8
- 239000012954 diazonium Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 150000001989 diazonium salts Chemical class 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 230000003301 hydrolyzing effect Effects 0.000 claims 3
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 claims 1
- 230000007062 hydrolysis Effects 0.000 claims 1
- 230000001546 nitrifying effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000006386 neutralization reaction Methods 0.000 abstract description 2
- 230000020477 pH reduction Effects 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract description 2
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 9
- 239000000047 product Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 239000008107 starch Substances 0.000 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 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- LQKOJSSIKZIEJC-UHFFFAOYSA-N manganese(2+) oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mn+2].[Mn+2].[Mn+2].[Mn+2] LQKOJSSIKZIEJC-UHFFFAOYSA-N 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- VFMPIADMFBRPAO-UHFFFAOYSA-M sodium urea nitrite Chemical compound N(=O)[O-].[Na+].NC(=O)N VFMPIADMFBRPAO-UHFFFAOYSA-M 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- -1 toluene Amine Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/76—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton by nitration
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
- C07C245/20—Diazonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610205000.4A CN105837452B (zh) | 2016-04-05 | 2016-04-05 | 2-甲基-5-硝基苯酚生产工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610205000.4A CN105837452B (zh) | 2016-04-05 | 2016-04-05 | 2-甲基-5-硝基苯酚生产工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105837452A CN105837452A (zh) | 2016-08-10 |
CN105837452B true CN105837452B (zh) | 2019-01-29 |
Family
ID=56596721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610205000.4A Active CN105837452B (zh) | 2016-04-05 | 2016-04-05 | 2-甲基-5-硝基苯酚生产工艺 |
Country Status (1)
Country | Link |
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CN (1) | CN105837452B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113121360A (zh) * | 2019-12-30 | 2021-07-16 | 青岛海湾精细化工有限公司 | 一种大红色基g的制备方法 |
FR3143598A1 (fr) * | 2022-12-15 | 2024-06-21 | L'oreal | Procédé de préparation en flux continu d’un composé de type nitrophénol |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1566074A (zh) * | 2003-06-13 | 2005-01-19 | 上海子能高科股份有限公司 | 一种4-甲基-3-硝基苯酚及其制备方法 |
US7507748B2 (en) * | 2004-07-22 | 2009-03-24 | Amgen Inc. | Substituted aryl-amine derivatives and methods of use |
WO2007038387A2 (en) * | 2005-09-23 | 2007-04-05 | Yale University | Compounds and methods for the treatment of viruses and cancer |
CN101519358A (zh) * | 2009-04-08 | 2009-09-02 | 荆州市丽之源化工科技有限公司 | 染发剂中间体5-氨基邻甲酚及制备方法 |
CN105218376A (zh) * | 2015-10-31 | 2016-01-06 | 丁玉琴 | 一种2-甲基-5-硝基苯酚的合成方法 |
-
2016
- 2016-04-05 CN CN201610205000.4A patent/CN105837452B/zh active Active
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CN105837452A (zh) | 2016-08-10 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20200619 Address after: 443000 room 6215, No. 57-5, development avenue, Yichang District, Yichang (Hubei) free trade zone, Yichang City, Hubei Province Patentee after: Hubei Youwei New Material Co., Ltd Address before: 441022 Xiangfan city of Hubei province Xiangyang City Tiger Road No. 21 Co-patentee before: Li Benlin Patentee before: Tian Zhigao |
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TR01 | Transfer of patent right |
Effective date of registration: 20210825 Address after: 441400 No. 10, Leiyan Avenue, Leihe Town, Yicheng city, Xiangyang City, Hubei Province Patentee after: Hubei teteng New Material Technology Co.,Ltd. Address before: Room 6215, no.57-5, Fazhan Avenue, Yichang District, Yichang Free Trade Zone, Hubei Province, 443000 Patentee before: Hubei Youwei New Material Co., Ltd |