ES462561A1 - Un procedimiento para preparar acido cianurico. - Google Patents
Un procedimiento para preparar acido cianurico.Info
- Publication number
- ES462561A1 ES462561A1 ES462561A ES462561A ES462561A1 ES 462561 A1 ES462561 A1 ES 462561A1 ES 462561 A ES462561 A ES 462561A ES 462561 A ES462561 A ES 462561A ES 462561 A1 ES462561 A1 ES 462561A1
- Authority
- ES
- Spain
- Prior art keywords
- reaction
- cyanuric acid
- solvent
- biuret
- concentration
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/30—Only oxygen atoms
- C07D251/32—Cyanuric acid; Isocyanuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Un procedimiento para preparar ácido cianúrico por calentamiento de urea y/o biuret en un disolvente, caracterizado por el hecho de que la reacción se efectúa en nitrato de amonio fundido como disolvente en las condiciones de reacción siguientes: a) la concentración de urea y/o biuret en dicho disolvente es inferior a 500 gramos por kg de solución, b) la reacción se lleva a cabo en ausencia de un catalizador de sílice, y c) durante la reacción, se reduce la concentración del amoníaco producido en la mezcla de reacción.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7610557A NL7610557A (nl) | 1976-09-23 | 1976-09-23 | Werkwijze voor het bereiden van cyanuurzuur. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES462561A1 true ES462561A1 (es) | 1978-07-01 |
Family
ID=19826951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES462561A Expired ES462561A1 (es) | 1976-09-23 | 1977-09-22 | Un procedimiento para preparar acido cianurico. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4109089A (es) |
JP (1) | JPS5340788A (es) |
BE (1) | BE858602A (es) |
DE (1) | DE2742975A1 (es) |
ES (1) | ES462561A1 (es) |
FR (1) | FR2365563A1 (es) |
GB (1) | GB1575632A (es) |
NL (1) | NL7610557A (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07119369B2 (ja) * | 1987-12-31 | 1995-12-20 | 川崎化成工業株式会社 | 金属フタロシアニン及び/又はその誘導体の製造法 |
DE4042191C1 (es) * | 1990-12-29 | 1992-07-30 | Skw Trostberg Ag, 8223 Trostberg, De | |
CN103102318A (zh) * | 2013-02-28 | 2013-05-15 | 常州市卯旺化工有限公司 | 一种氰尿酸的制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7405629A (nl) * | 1974-04-26 | 1975-10-28 | Stamicarbon | Werkwijze voor het bereiden van cyanuurzuur. |
-
1976
- 1976-09-23 NL NL7610557A patent/NL7610557A/xx not_active Application Discontinuation
-
1977
- 1977-09-07 GB GB37377/77A patent/GB1575632A/en not_active Expired
- 1977-09-12 BE BE180825A patent/BE858602A/xx unknown
- 1977-09-19 US US05/834,663 patent/US4109089A/en not_active Expired - Lifetime
- 1977-09-20 JP JP11315477A patent/JPS5340788A/ja active Pending
- 1977-09-21 FR FR7728454A patent/FR2365563A1/fr not_active Withdrawn
- 1977-09-22 ES ES462561A patent/ES462561A1/es not_active Expired
- 1977-09-23 DE DE19772742975 patent/DE2742975A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2365563A1 (fr) | 1978-04-21 |
DE2742975A1 (de) | 1978-03-30 |
GB1575632A (en) | 1980-09-24 |
NL7610557A (nl) | 1978-03-29 |
JPS5340788A (en) | 1978-04-13 |
BE858602A (nl) | 1978-03-13 |
US4109089A (en) | 1978-08-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES318196A1 (es) | Procedimiento para la preparacion de poliamidas de elevado peso molecular. | |
PT67953A (en) | Process for the production of fertilizer pellets containing ammonium nitrate. | |
YU40444B (en) | Process of granulating in the production of nitrogen compounds such as urea, ammonium nitrate or ammoniu phosphate | |
ES8101545A1 (es) | Procedimiento perfeccionado de tratamiento suplementario de urea. | |
ES462561A1 (es) | Un procedimiento para preparar acido cianurico. | |
ES453775A1 (es) | Procedimiento para la preparacion de n,n'-bis-trimetilsili- lurea. | |
EG11438A (en) | Process for preparing urea from ammonia and carbon dioxid | |
ES414459A1 (es) | Un metodo para neutralizar el acido nitrico con amoniaco. | |
GB1512650A (en) | Production of pyridine and 3-methyl pyridine | |
GB1506790A (en) | Process for the preparation of 4-alkylthiosemicarbazides | |
GB1320513A (en) | Process for the manufacture of boron nitride | |
EP0009685A3 (en) | Process for the preparation of 2-vinylpyridine from acetylene and acrylonitrile and 2-vinylpyridine prepared by this process; organo-cobalt compounds | |
JPS5384918A (en) | Process for preparing urea solution from nh3 and co2 | |
JPS5422323A (en) | Preparation of urea for industrial uses | |
JPS51136623A (en) | Process for preparation of guanidine salts | |
DE3567846D1 (en) | Process for preparing cyanamide | |
ES462540A1 (es) | Un procedimiento para prepar acido cianurico. | |
GB1094221A (en) | Process for preparing a solution containing hydroxylammonium salt | |
ES449637A1 (es) | Un procedimiento para preparar acido cianurico. | |
JPS51126992A (en) | Process and catalysts for the removal of nitrogen oxides | |
GB1493790A (en) | Process for the preparation of 2,4-dinitroaniline | |
GB1507375A (en) | Process for preparing adenine | |
ES449636A1 (es) | Un procedimiento para preparar acido cianurico. | |
ES434055A1 (es) | Un procedimiento para preparar el acido 1h-tetrazol-1-ace- tico. | |
GB2073186B (en) | Process for the production of guanidine nitrate from a mixture of urea and ammonium nitrate and apparatus for its performance |