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Thiomalic acid is an intermediate in the synthesis of corrosion inhibitors, soil fumigants, active pharmaceutical ingredients, and electroplating agents. [ 1 ] The sodium and gold salt of thiomalic acid, sodium aurothiomalate , is used as a pharmaceutical drug for the treatment of rheumatoid arthritis .
Thioglycolic acid with a pK a of 3.83 [7] is an acid about 8.5 times stronger than acetic acid (pK a 4.76): HSCH 2 CO 2 H → HSCH 2 CO 2 − + H + The second ionization has a pK a of 9.3: HSCH 2 CO 2 − → − SCH 2 CO 2 − + H + Thioglycolic acid is a reducing agent, especially at higher pH.
Succimer is an isomer of 2,3-dimercaptosuccinic acid. 2,3-dimercaptosuccinic acid is the organosulfur compound with the formula HO 2 CCH(SH)CH(SH)CO 2 H. This colorless solid contains two carboxylic acid and two thiol groups, the latter being responsible for its mildly unpleasant odour.
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In industrial chemistry, a stabilizer or stabiliser is a chemical that is used to prevent degradation. [1] Above all, heat and light stabilizers are added to plastic and rubber materials because they ensure safe processing and protect products against aging and weathering.
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The name mercapturic acid is a combination of mercapturic and acid. The latter indicates that the compound is an acid. The former is a compound word consisting of the stem mercaptur-, coming from mercaptan, and the suffix-ic, meaning "having the character of". In sum, the name mercapturic acid means "an acid with mercaptan character/nature". [6]
The American Wood Protection Association (AWPA) standards for PTI require a retention of 0.018 lb/cu ft (0.29 kg/m 3) for above ground use and 0.013 lb/cu ft (0.21 kg/m 3) when applied in combination with a wax stabilizer. The AWPA has not developed a standard for a PTI ground contact preservative, so PTI is currently limited to above ground ...