タイトルまたは説明

Name:Monoethanolamine;
English abbreviation:ETA orMEA;
Chemical formula:C2H7NO;
Molecular weight:61.0837;
CAS:141-43-5;
EINECS:205-483-3;
Melting point:10-11℃；
Boiling point:170℃；
Freezing point:-5℃；
Refractive index:1.4540ï¼›
Density:1.0180(20/4℃)；
Dynamic viscosity(20℃):24.14mPa·s;
Properties:colorless viscous liquid with ammonia flavor at room temperature;
Flash point:93.3℃；
Solubility:soluble in water,the solution is strongly alkaline.It can be miscible with water, ethanol and acetone,slightly soluble in ether and carbon tetrachloride.The solubility in benzene was 1.4% at 25℃, the solubility in ether was 2.1% at 25℃, and the solubility in carbon tetrachloride was 0.2%℃;
Characteristic:It can absorb carbon dioxide and hydrogen sulfide. After heating, it can release the absorbed gas.Flammable,danger of burning when exposed to fire or heat.,vapor toxicity.It has very strong hygroscopicity,emulsifying and foaming.It can produce salts with inorganic acids and organic acids, and react with anhydrides to form esters.The hydrogen atom in the amino group can be replaced by acyl halides and halogenated alkanes;
Application:
1. Gas purification:absorption of carbon dioxide and hydrogen sulfide from gas;
2. Solvent:gas chromatographic stationary solution;
3. Pharmacy:synthetic fungicides and antidiarrheal agents;
4. Printing and dyeing:synthetic high grade dyestuff;
5. Textile:fluorescent whitening agent, antistatic agent, mothproof agent, detergent;
6. Rubber ink:neutralizer, plasticizer, vulcanizing agent, accelerator and foaming agent;
7. Other:surfactants, petroleum additives, preservatives, ink manufacturing, organic synthesis, metal cleaning agent, rust inhibitor, food industry, detergent, emulsifier, automobile antifreeze, production of ethylene amine series products, etc.
Physical and chemical indexes: