cas 32047-53-3, DIMETHYLCYSTEAMINE HYDROCHLORIDE | Articles data ｜lookchem

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32047-53-3

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Synthetic method of dimethyl cysteamine hydrochloride
The invention relates to a synthetic method of dimethyl cysteamine hydrochloride, and belongs to the technical field of organic synthesis. The method comprises the following processing steps: synthesizing 5,5-dimethyl-2-isopropyl thiazoline by taking isobutylaldehyde, element sulfur, ammonia gas and triethylamine as raw materials; reducing the 5,5-dimethyl-2-isopropyl thiazoline into 5,5-dimethyl-2-isopropyl thiazolidine under the actions of sodium borohydride and acid; and reacting the 5,5-dimethyl-2-isopropyl thiazolidine with a hydrochloric acid solution under nitrogen production to obtain the dimethyl cysteamine hydrochloride. The synthetic method has the advantages that the reaction raw materials are easily obtained; the reaction process is simple in operation; the requirement for reaction equipment is low; the reaction conditions are relatively mild; and the yield and content are high, and the content of the finally obtained dimethyl cysteamine hydrochloride is greater than 99%.
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Paragraph 0024; 0027; 0028; 0031; 0032; 0035; 0036

(2016/10/31)

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Chemical Properties

Melting Point: 202-203 °C
Boiling Point: 189.9 °C at 760 mmHg
Flash Point:68.7 °C
Density: 0.936 g/cm3
Solubility:Water (Slightly)
Storage Temp.:under inert gas (nitrogen or Argon) at 2-8°C
Vapor Pressure: 0.472mmHg at 25°C
PSA: 64.82000
LogP: 2.15580

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