CA944131A - Method for producing anhydrous sodium dithionite - Google Patents

Method for producing anhydrous sodium dithionite

Info

Publication number
CA944131A
CA944131A CA096,824A CA96824A CA944131A CA 944131 A CA944131 A CA 944131A CA 96824 A CA96824 A CA 96824A CA 944131 A CA944131 A CA 944131A
Authority
CA
Canada
Prior art keywords
anhydrous sodium
sodium dithionite
producing anhydrous
producing
dithionite
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
Application number
CA096,824A
Other languages
English (en)
Inventor
Masayuki Yasue
Sizuo Saito
Sumio Shimojo
Kazuhisa Shiode
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Application granted granted Critical
Publication of CA944131A publication Critical patent/CA944131A/en
Expired legal-status Critical Current

Links

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)
CA096,824A 1969-10-30 1970-10-28 Method for producing anhydrous sodium dithionite Expired CA944131A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8745869 1969-10-30
JP1052870 1970-02-05

Publications (1)

Publication Number Publication Date
CA944131A true CA944131A (en) 1974-03-26

Family

ID=26345811

Family Applications (1)

Application Number Title Priority Date Filing Date
CA096,824A Expired CA944131A (en) 1969-10-30 1970-10-28 Method for producing anhydrous sodium dithionite

Country Status (6)

Country Link
US (1) US3917807A (de)
CA (1) CA944131A (de)
DE (1) DE2052663A1 (de)
FR (1) FR2066728A5 (de)
GB (1) GB1322250A (de)
SE (1) SE369406B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442418B2 (de) * 1974-09-05 1980-04-17 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Natriumdithionit
DE2620096C3 (de) * 1975-05-13 1981-10-15 Mitsui Toatsu Chemicals, Inc., Tokyo Verfahren zur kontinuierlichen Herstellung von wasserfreiem Natriumdithionit
BE856029A (fr) * 1976-06-24 1977-10-17 Virginia Chemicals Inc Procede ameliore pour la preparation de dithionite de sodium
DE2703282C2 (de) * 1977-01-27 1985-01-31 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von wasserfreiem Natriumdithionit
US4218429A (en) * 1977-06-14 1980-08-19 Virginia Chemicals Inc. Production of alkali metal dithionites from sulfur dioxide, alkali metal formates, and slurried bisulfite compounds at high reactant concentrations
JPS5941925B2 (ja) * 1980-03-06 1984-10-11 三菱瓦斯化学株式会社 亜二チオン酸塩の製造法
US4680136A (en) * 1985-05-07 1987-07-14 Stora Kopparbergs Bergslags Ab Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions
US4973471A (en) * 1989-06-29 1990-11-27 Hoechst Celanese Corporation Method for producing dust-free sodium dithionite
CN100396598C (zh) * 2006-10-24 2008-06-25 烟台市金河保险粉厂有限公司 一种用液体二氧化硫和焦亚硫酸钠生产甲酸钠法保险粉的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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
US3576598A (en) * 1970-02-05 1971-04-27 Virginia Chemicals Inc Production of sodium hydrosulfite from formates

Also Published As

Publication number Publication date
FR2066728A5 (de) 1971-08-06
DE2052663A1 (de) 1971-09-16
GB1322250A (en) 1973-07-04
US3917807A (en) 1975-11-04
SE369406B (de) 1974-08-26

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