Urea

• Catalog No.: U5128
• CAS Number: 57-13-6
• M. F.: CH4N2O
• M. W.: 60.05526
• Purity: 99.0-100.5%

SYNONYMS

• Title: 尿素
• IUPAC name: urea
• IUPAC Traditional name: urea
• Synonyms: 碳酰胺; 碳酰二胺

DATABASE IDS

• EC Number: 200-315-5
• MDL Number: MFCD00008022
• Beilstein Number: 635724
• PubChem SID: 24900652
• CAS Number: 57-13-6

PROPERTIES

• Antion Traces: chloride (Cl-): ≤5 ppm
• Antion Traces: sulfate (SO42-): ≤0.001%
• Cation Traces: Fe: ≤0.001%
• Cation Traces: heavy metals (as Pb): ≤0.001%
• Grade: ACS reagent
• Ignition Residue: ≤0.01%
• Impurities: ≤0.01% Insoluble matter
• Purity: 99.0-100.5%
• Gene Information: human ... CA1(759), CA2(760)rat ... Ppm1a(24666)
• Density: 1.335 g/mL at 25 °C(lit.)
• Melting Point: 132-135 °C(lit.)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: YR6250000
• German water hazard class: 1

DETAILS

Description (简体中文)

Application
用于蛋白质变性以及作为不溶性或变性蛋白的温和增溶剂。可用于从已由 6M 盐酸胍变性的样品(如包涵体)复性蛋白质。可与盐酸胍和二硫苏糖醇 (DTT) 一起用于复性变性蛋白以恢复其天然或活性形式。
包装
1 kg in poly bottle
5 kg in poly drum
5, 100, 500 g in poly bottle