Urea, para análisis, ExpertQ®, ACS

CAS: 57-13-6

Packaging	Reference	Stock	My Price
x 500 g :: Plastic bottle	UR01310500	In stock	Buy

Other Packaging

Packaging	Reference	Stock	My Price
x 5 kg :: Plastic container	UR0131005P	Check stock	Buy
x 1 kg :: Plastic bottle	UR01311000	Check stock	Buy

- Synonyms: Carbamide, Carbonyldiamide
- CH4N2O
- M = 60,06 g/mol
- CAS [57-13-6]
- EINECS-No.: 200-315-5
- Solub. in water: (20 ºC): 590 g/l
- Melting point: 132,5 - 134,5 ºC
- Vapour pressure: (75 ºC) ~ 0,002 hPa
- LD 50 (oral, rat): 8471 mg/kg
- Tariff number: 3102 10 10 00
- Applications: laboratory reagent, in biochemistry, in fertilizer compositions, manufacturing of synthetic resins, in the plastics industry, for reversible denaturation of proteins.

SPECIFICATIONS
assay (titration with HClO4): 99 - 100,5 %
identity (IR-spectrum): passes test
melting point: 132 - 135 °C
insoluble in water: max. 0,005 %
acidity (as HCl): max. 0,002 %
alkalinity (as NaOH) : max. 0,01 %
chlorides (Cl): max. 0,0005 %
sulfates (SO4): max. 0,001 %
copper (Cu): max. 2 ppm
heavy metals (as Pb): max. 4 ppm
iron (Fe): max. 1 ppm
nickel (Ni): max. 2 ppm
biuret: max. 0,1 %
residue on ignition: max. 0,01 %