crystallization USP/BP/JP grade urea

Chemical formula: CO (NH2) 2,

molecular weight 60.06

nitrogen content :46.67%.

density :1.335 g/cm3

Melting point:132.7 ℃

Properties:Soluble in water, ethanol and benzene, insoluble in ether and chloroform.White crystal, odorless, hygroscopic.Melting point 135 ℃ (decomposition), relative density d2041.323.In high temperature, the condensation reaction can be used to produce biurea, triurea and tripolycyanate.Heated to 160 ℃ decomposition, to produce ammonia at the same time into cyanate.

1.properties:White shape crystallization or white powder. Melting point 132.7 ℃ (breakdown). Soluble in water, alcohol and benzene, slightly soluble in ether, insoluble in trichloromethane.

2.Usage:A.Widely used in ointment preparation.

                 B.Used in Medical diuretics---- for the treatment of cerebral edema which can reduce intracranial pressure  , and for the treatment of 
                    glaucoma which can reduce the intraocular pressure.

                 C.Used in the Inspection of antimony and tin, and determination of lead, copper, gallium, phosphorus.

                 D.Used as Lubricants.

3.Test Item

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