CA1103888A - Production of sodium dithionite from sulfur dioxide, sodium formate and sodium carbonate with minimum solvent - Google Patents

Production of sodium dithionite from sulfur dioxide, sodium formate and sodium carbonate with minimum solvent

Info

Publication number
CA1103888A
CA1103888A CA280,843A CA280843A CA1103888A CA 1103888 A CA1103888 A CA 1103888A CA 280843 A CA280843 A CA 280843A CA 1103888 A CA1103888 A CA 1103888A
Authority
CA
Canada
Prior art keywords
sodium
methanol
sulfur dioxide
formate
sodium carbonate
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
CA280,843A
Other languages
English (en)
French (fr)
Inventor
Charles E. Winslow
Logan C. Bostian
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.)
CNA Holdings LLC
Original Assignee
Virginia Chemicals Inc
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 Virginia Chemicals Inc filed Critical Virginia Chemicals Inc
Application granted granted Critical
Publication of CA1103888A publication Critical patent/CA1103888A/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)
  • Saccharide Compounds (AREA)
CA280,843A 1976-06-24 1977-06-17 Production of sodium dithionite from sulfur dioxide, sodium formate and sodium carbonate with minimum solvent Expired CA1103888A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US69946276A 1976-06-24 1976-06-24
US80652777A 1977-06-14 1977-06-14
US806,527 1977-06-14
US699,462 1985-02-07

Publications (1)

Publication Number Publication Date
CA1103888A true CA1103888A (en) 1981-06-30

Family

ID=27106430

Family Applications (1)

Application Number Title Priority Date Filing Date
CA280,843A Expired CA1103888A (en) 1976-06-24 1977-06-17 Production of sodium dithionite from sulfur dioxide, sodium formate and sodium carbonate with minimum solvent

Country Status (9)

Country Link
JP (1) JPS6020321B2 (it)
CA (1) CA1103888A (it)
DE (1) DE2728316B2 (it)
FR (1) FR2355775A1 (it)
GB (1) GB1584626A (it)
IT (1) IT1143585B (it)
MX (1) MX147264A (it)
NO (1) NO149884C (it)
SE (1) SE418490B (it)

Family Cites Families (5)

* 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
DE1592013B2 (de) * 1966-05-16 1972-08-24 Mitsubishi Edogawa Kagaku K K , Tokio Verfahren zur herstellung eines wasserfreien natrium-hyposulfits
JPS4814316B1 (it) * 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

Also Published As

Publication number Publication date
SE7707235L (sv) 1977-12-25
MX147264A (es) 1982-10-29
DE2728316C3 (it) 1990-08-23
JPS6020321B2 (ja) 1985-05-21
DE2728316B2 (de) 1980-10-23
NO772165L (no) 1977-12-28
FR2355775A1 (fr) 1978-01-20
GB1584626A (en) 1981-02-18
IT1143585B (it) 1986-10-22
FR2355775B1 (it) 1984-04-13
JPS5316388A (en) 1978-02-15
SE418490B (sv) 1981-06-09
NO149884B (no) 1984-04-02
DE2728316A1 (de) 1978-01-05
NO149884C (no) 1984-07-11

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Legal Events

Date Code Title Description
MKEX Expiry