• Urea

  • Grade: ACS,Reag. Ph Eur ; Hill Formula: CH₄N₂O ; Chemical formula: CO(NH₂)₂ ; Molar Mass: 60.06 g/mol ; Code: 1084870500
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Physicochemical Information

Density

1.34 g/cm3 (20 °C)

Melting Point

133 °C

pH value

9 (100 g/l, HO, 20 °C)

Vapor pressure

<0.1 hPa (20 °C)

Bulk density

720 - 760 kg/m3

Solubility

1000 g/l

Toxicological Information

LD 50 oral

LD50 Rat 8471 mg/kg

LD 50 dermal

LD50 Rat 8200 mg/kg

Safety Information according to GHS

RTECS

YR6250000

Storage class

10 - 13 Other liquids and solids

WGK

WGK 1 slightly hazardous to water

Disposal

3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information

Storage

Store at +15°C to +30°C.

Specifications

Assay (ex N)

99.0 - 100.5 %

Assay (ex N, calc. on dried substance)

99.0 - 101.5 %

Purity (DSC (differential scanning calorimetry))

≥ 99.5 %

Identity (IR-spectrum)

passes test

Appearance of solution (10 %; Wasser; colour)

colourless

Appearance of solution (10 %; Wasser; clarity)

clear

In water insoluble matter

≤ 0.003 %

Acidity, Alkalinity

≤ 0.0005 meq/g

Melting point (DSC)

132 - 135 °C

NH (Ammonium)

≤ 0.0500 %

Chloride (Cl)

≤ 0.0005 %

Sulfate (SO)

≤ 0.001 %

Heavy metals (as Pb)

≤ 0.0004 %

Biuret

≤ 0.05 %

Sulfated ash (600 °C)

≤ 0.005 %

Cu (Copper)

≤ 0.0001 %

Fe (Iron)

≤ 0.0001 %

Pb (Lead)

≤ 0.0002 %

Loss on Drying (105°C)

≤ 1.0 %

Corresponds to ACS, Reag. Ph Eur

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