l arginine hydrochloride It is white crystalline powder, odorless, bitter and astringent, easily soluble in water, the aqueous solution is acidic, very slightly soluble in alcohol, insoluble in ether. mp224℃, isoelectric point 10.76, [α]20D+20.4°-22.4°(C=3gChemicalbook/ml, 1mol/LHCl) l arginine hydrochloride Arginine is a semi-essential amino acid, it can promote the production and excretion of urea, correct ammonia poisoning, Relieve hepatic coma. In nature, it is widely present in various proteins, such as pig hair, hoof nails, blood meal, etc., and is made into hydrochloride.