NNDiisopropylethylamine CAS7087685 NNDiisopropylethylamine NEthyldiisopropylamine 3METHYL1BUTINE3OL BIOTECHGRADESOLVENT995 DIPEA Ethyldiisopropylamine Hnigs base CAS Number7087685 EC Number2303920 MDL numberMFCD00008868 Appearance Colorless to Light yellow clear liquid PurityGC min 990 Quality Level 200 Assay 99 form liquid refractive index n20D 1414 lit Melting Point 45 C Boiling Point 127 C density 0742 gmL at 25 C lit Specific Gravity 092 Molecular Formula Molecular Weight C8H19N 12925 Flash point 12 C Refractive Index 141 Solubility in water Insoluble Solubility soluble in Alcohol Condition to Avoid Air Sensitive CAS 7087685 MDL Number MFCD00008868 Explosion limit 07Â Â 63Â V pH value 123 HO 20Â CÂ as an emulsion Viscosity kinematic 088Â mm2s 20Â C Vapor pressure 14Â hPa 20Â C HS Code 2921 19 99 General description NNDiisopropylethylamine also known as Hnigs base is a sterically hindered amine It is a nonnucleophilic base commonly employed for substitution reactionsIt acts as an activator for chiral iridium N P ligand complexes which can be utilized in the hydrogenation of unsaturated nitriles The influence of varying concentration of NNdiisopropylethylamine on the synthesis of olvanil in the presence of lipase catalyst has been investigated Application NNDiisopropylethylamine may be used in the synthesis of mannosylated ovalbumin peptides TBDPS protection of Alcohols using tertButylchlorodiphenylsilane BOM protection of Alcohols using Benzyloxymethyl Chloride Storage and transportation Should be sealed and stored in a dry cool and ventilated warehouse Package 200KGdrum Storage It is recommended to store in dry and cool area with proper ventilation Please fasten the lid as soon as possible after original packing to prevent the mixing of other substances such as moisture from affecting the product performance Do not inhale dust and avoid skin and mucous membrane contact Smoking eating and drinking are prohibited in the workplace After work shower and change clothes Store contaminated clothes separately and wash them before use