1084881000 Display Image

UREA FOR BIOCHEMISTRY 1 KG

Code: 1084881000 D2-231

Analysis Note

Purity (DSC (differential scanning calorimetry)): ≥ 99.5 %Identity (IR-spectrum): passes testAppearance: Colorless crystals or white crystalline powder.Ap...


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£75.60 EACH
£90.72 inc. VAT

Analysis Note

Purity (DSC (differential scanning calorimetry)): ≥ 99.5 %Identity (IR-spectrum): passes testAppearance: Colorless crystals or white crystalline powder.Appearance of solution (100 g/l, water): Clear and colorless.Melting point (DSC (differential scanning calorimetry)): 132 - 135 °CUV-Absorption (260 nm; 8 mol/l; 1 cm; water): ≤ 0.1UV-Absorption (280 nm; 8 mol/l; 1 cm; water): ≤ 0.1Cyanide (CN): ≤ 0.000001 %Chloride (Cl): ≤ 0.0005 %Sulfate (SO4): ≤ 0.001 %Heavy metals (as Pb): ≤ 0.0004 þ (Iron): ≤ 0.00002 %NH4 (Ammonium): ≤ 0.00001 %Biuret: ≤ 0.05 %Sulfated ash (800 °C): ≤ 0.01 %

Application

Used for the denaturation of proteins and as a mild solubilization agent for insoluble or denatured proteins. Useful for renaturing proteins from samples already denatured with 6 M guanidine chloride such as inclusion bodies. May be used with guanidine hydrochloride and dithiothreitrol (DTT) in the refolding of denatured proteins into their native or active form.

Packaging

5 kg in Plastic bottle

bulk density720‑760 kg/m3
density1.335 g/mL at 25 °C (lit.)
formsolid
InChI keyXSQUKJJJFZCRTK-UHFFFAOYSA-N
InChI1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
mp132-135 °C (lit.)
pH9 (20 °C, 100 g/L in H2O)
potency8471 mg/kg LD50, oral (Rat), 8200 mg/kg LD50, skin (Rat)
Quality Level100
SMILES stringNC(N)=O
solubility1000 g/L
storage temp.10-30°C
technique(s)titration: suitable
vapor pressure﹤0.1 hPa ( 20 °C)
Code
Description
Unit Size
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1084880250
Unit:EACH
List Price: £38.00
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1084885000
Unit:EACH
List Price: £213.00
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1084889010
Unit:EACH
List Price: £423.00
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Cas Number57-13-6
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