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Hormosynth Research & Development Labs |
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| Post Date : 18 January 2012 |
| Expiry date : 17 January 2013 |
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| Description |
Production description
CAS NO. 70-49-5
SYNONYMS Mercaptosuccinic Acid DL-Mercaptosuccinic acid
Mercaptobutanedioic acid-
DERIVATION
CLASSIFICATION
PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE white crystalline powder
MELTING POINT 152 - 154 C
PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE white crystalline powder
MELTING POINT 152 - 154 C
Thiomalic Acid is used as a brightening agent of metal plating. It is used as an intermediate for the synthesis of organic compounds especially as an corrosion inhibitor, soil fumigant, pharmaceuticals and electroplating agents.
The first chemical contrast of thiols and sulfides with alcohols and ethers is acidity which is important in organic reactions. Thiols are stronger acids than relevant alcohols and phenols. Thiolate conjugate bases are easily formed, and are excellent nucleophiles in SN2 reactions of alkyl halides and tosylates. The nucleophilicity of sulfur is much greater than that of oxygen, resulting in a number of useful electrophilic substitution reaction that are rare by oxygen. For example, sulfides form (with alkyl halides) ternary sulfonium salts, in the same alkylattion of tert-amines quaternary ammonium salts, whereas ternary oxonium salts are prepared only under extream conditions. Without exception, sulfoxides, sulfinate salts and sulfite anion also alkylate on sulfur, despite of the partial negative formal charge on oxygen and partial positive charge on sulfur. The second character is the oxidation states of sulfur. Oxygen has only two oxidation states, whereas sulfur covers from 2 to +6 as follows:
-2: Hydrogen Sulfide (H2S), sulfides, sulfonium ions
-1: disulfides
0: S elemental, sulfoxides, sulfenic acids
+2: sulfones, sulfinic acids
+4: sulfonic acids, sulfite esters
+6: sulfate esters
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| Contact Information |
| Hormosynth Research & Development Labs |
219, CHAMPAKLAL INDUSTRIAL EST, SION INDUSTRIAL AREA, SION (EAST),
Mumbai - 400022, Maharashtra, India
Phone:91-22-24071534
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| Key Personnel |
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Mr. Dinesh Gopal Pabharekar
(Manager)
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Mobile : +919820071191
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