GB879734A - Process for making mono-oxidation products of phosphorus - Google Patents
Process for making mono-oxidation products of phosphorusInfo
- Publication number
- GB879734A GB879734A GB38477/59A GB3847759A GB879734A GB 879734 A GB879734 A GB 879734A GB 38477/59 A GB38477/59 A GB 38477/59A GB 3847759 A GB3847759 A GB 3847759A GB 879734 A GB879734 A GB 879734A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phosphorus
- oxidation products
- making mono
- vapour
- water
- 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
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/12—Oxides of phosphorus
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Fireproofing Substances (AREA)
Abstract
Oxidation products of phosphorus are prepared by treating a mixture of P vapour and water vapour with O2 at 80-160 DEG C., the atomic ratio of O2 to P being within the range 0.01 to 2, and condensing the reaction product. The P to water vapour weight ratio should be 1:10 to 1:100. The O2 may be diluted with inert gas, e.g. N2 and/or CO2, or may be air. Condensation is effected by injecting water into the reaction mixture. Yellow P in the condensate may be extracted by a solvent, e.g. CS2. The product contains 87-93% P, 6-13% O2, and H, e.g. 0.7 or 0.8%, as remainder.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE879734X | 1958-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB879734A true GB879734A (en) | 1961-10-11 |
Family
ID=6819129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38477/59A Expired GB879734A (en) | 1958-11-13 | 1959-11-12 | Process for making mono-oxidation products of phosphorus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB879734A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4980142A (en) * | 1990-02-01 | 1990-12-25 | Tenneco Canada Inc. | Preparation of phosphorous acid |
-
1959
- 1959-11-12 GB GB38477/59A patent/GB879734A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4980142A (en) * | 1990-02-01 | 1990-12-25 | Tenneco Canada Inc. | Preparation of phosphorous acid |
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