ES8304075A1 - Procedimiento de preparacion de la sal de calcio del acido 2,5-dihidroxibencenosulfonico. - Google Patents

Procedimiento de preparacion de la sal de calcio del acido 2,5-dihidroxibencenosulfonico.

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Publication number
ES8304075A1
ES8304075A1 ES512680A ES512680A ES8304075A1 ES 8304075 A1 ES8304075 A1 ES 8304075A1 ES 512680 A ES512680 A ES 512680A ES 512680 A ES512680 A ES 512680A ES 8304075 A1 ES8304075 A1 ES 8304075A1
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ES
Spain
Prior art keywords
calcium salt
acid
translation
procedure
preparation
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
ES512680A
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English (en)
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ES512680A0 (es
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES512680A priority Critical patent/ES8304075A1/es
Publication of ES512680A0 publication Critical patent/ES512680A0/es
Publication of ES8304075A1 publication Critical patent/ES8304075A1/es
Expired legal-status Critical Current

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Abstract

_(PROCEDIMIENTO DE PREPARACION DE LA SAL DE CALCIO DEL ACIDO 2,5 DIHIDROXIBENCENOSULFONICO . SE HACE REACCIONAR LA HIDROQUINONA CON EL ACIDO CLOROSULFONICO CON LO QUE SE OBTIENE EL CLOROSULFONATO DE HIDROQUINONA EL CUAL SE HACE REACCIONAR POSTERIORMENTE CON CARBONATO DE CALCIO EN SUSPENSION ACUOSA. LA CLOROSULFONACION TIENE LUGAR EN PRESENCIA DE CLORURO DE TIONILO. EL AISLAMIENTO DE LA SAL DE CALCIO TIENE LUGAR POR DISOLUCION EN CALIENTE EN 2-METOXIETANOL. LA SAL DE CALCIO PUEDE RECRISTALIZARSE EN AGUA CON LO QUE SE OBTIENE LA SAL CONTENIENDO UNA MOLECULA DE AGUA.
ES512680A 1982-05-31 1982-05-31 Procedimiento de preparacion de la sal de calcio del acido 2,5-dihidroxibencenosulfonico. Expired ES8304075A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES512680A ES8304075A1 (es) 1982-05-31 1982-05-31 Procedimiento de preparacion de la sal de calcio del acido 2,5-dihidroxibencenosulfonico.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES512680A ES8304075A1 (es) 1982-05-31 1982-05-31 Procedimiento de preparacion de la sal de calcio del acido 2,5-dihidroxibencenosulfonico.

Publications (2)

Publication Number Publication Date
ES512680A0 ES512680A0 (es) 1983-02-16
ES8304075A1 true ES8304075A1 (es) 1983-02-16

Family

ID=8484224

Family Applications (1)

Application Number Title Priority Date Filing Date
ES512680A Expired ES8304075A1 (es) 1982-05-31 1982-05-31 Procedimiento de preparacion de la sal de calcio del acido 2,5-dihidroxibencenosulfonico.

Country Status (1)

Country Link
ES (1) ES8304075A1 (es)

Also Published As

Publication number Publication date
ES512680A0 (es) 1983-02-16

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GC1A Exploitation certificate registered application without search report

Effective date: 19970616