FR2355775A1 - Procede de preparation de dithionite de sodium - Google Patents
Procede de preparation de dithionite de sodiumInfo
- Publication number
- FR2355775A1 FR2355775A1 FR7719337A FR7719337A FR2355775A1 FR 2355775 A1 FR2355775 A1 FR 2355775A1 FR 7719337 A FR7719337 A FR 7719337A FR 7719337 A FR7719337 A FR 7719337A FR 2355775 A1 FR2355775 A1 FR 2355775A1
- Authority
- FR
- France
- Prior art keywords
- sodium dithionite
- preparation process
- sodium
- preparation
- reduced
- 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.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title abstract 3
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 title abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 239000004280 Sodium formate Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 239000007844 bleaching agent Substances 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 abstract 1
- 235000019254 sodium formate Nutrition 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/64—Thiosulfates; Dithionites; Polythionates
- C01B17/66—Dithionites or hydrosulfites (S2O42-)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69946276A | 1976-06-24 | 1976-06-24 | |
| US80652777A | 1977-06-14 | 1977-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2355775A1 true FR2355775A1 (fr) | 1978-01-20 |
| FR2355775B1 FR2355775B1 (enExample) | 1984-04-13 |
Family
ID=27106430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7719337A Granted FR2355775A1 (fr) | 1976-06-24 | 1977-06-23 | Procede de preparation de dithionite de sodium |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS6020321B2 (enExample) |
| CA (1) | CA1103888A (enExample) |
| DE (1) | DE2728316B2 (enExample) |
| FR (1) | FR2355775A1 (enExample) |
| GB (1) | GB1584626A (enExample) |
| IT (1) | IT1143585B (enExample) |
| MX (1) | MX147264A (enExample) |
| NO (1) | NO149884C (enExample) |
| SE (1) | SE418490B (enExample) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3411875A (en) * | 1964-04-08 | 1968-11-19 | Mitsubishi Edogawa Kagaku Kk | Process for the production of anhydrous hydrosulfites |
| DE1592013B2 (de) * | 1966-05-16 | 1972-08-24 | Mitsubishi Edogawa Kagaku K K , Tokio | Verfahren zur herstellung eines wasserfreien natrium-hyposulfits |
| JPS4814316B1 (enExample) * | 1969-01-10 | 1973-05-07 | ||
| US3887695A (en) * | 1970-02-05 | 1975-06-03 | Virginia Chemicals Inc | Production of sodium hydrosulfite from formates |
| GB1461785A (en) * | 1973-03-30 | 1977-01-19 | Boc Ltd | Alkali metal dithionite manufacture |
-
1977
- 1977-06-17 CA CA280,843A patent/CA1103888A/en not_active Expired
- 1977-06-20 NO NO77772165A patent/NO149884C/no unknown
- 1977-06-21 GB GB25816/77A patent/GB1584626A/en not_active Expired
- 1977-06-22 SE SE7707235A patent/SE418490B/xx not_active IP Right Cessation
- 1977-06-23 IT IT49962/77A patent/IT1143585B/it active
- 1977-06-23 FR FR7719337A patent/FR2355775A1/fr active Granted
- 1977-06-23 DE DE2728316A patent/DE2728316B2/de active Granted
- 1977-06-24 JP JP52075360A patent/JPS6020321B2/ja not_active Expired
- 1977-06-24 MX MX169610A patent/MX147264A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2355775B1 (enExample) | 1984-04-13 |
| JPS6020321B2 (ja) | 1985-05-21 |
| GB1584626A (en) | 1981-02-18 |
| JPS5316388A (en) | 1978-02-15 |
| IT1143585B (it) | 1986-10-22 |
| DE2728316C3 (enExample) | 1990-08-23 |
| NO149884B (no) | 1984-04-02 |
| NO149884C (no) | 1984-07-11 |
| DE2728316A1 (de) | 1978-01-05 |
| SE7707235L (sv) | 1977-12-25 |
| SE418490B (sv) | 1981-06-09 |
| NO772165L (no) | 1977-12-28 |
| MX147264A (es) | 1982-10-29 |
| CA1103888A (en) | 1981-06-30 |
| DE2728316B2 (de) | 1980-10-23 |
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