51461
尿素
purum p.a., crystallized, ≥99.0% (N)
别名:
碳酰二胺, 碳酰胺
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线性分子式:
NH2CONH2
化学文摘社编号:
分子量:
60.06
EC Number:
200-315-5
UNSPSC Code:
12352100
MDL number:
Beilstein/REAXYS Number:
635724
grade
purum p.a.
assay
≥99.0% (N)
quality
crystallized
impurities
≤0.1% biuret
ign. residue
≤0.1% (as SO4)
mp
132-135 °C
density
1.335 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤30 mg/kg
cation traces
K: ≤300 mg/kg
SMILES string
NC(N)=O
InChI
1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
InChI key
XSQUKJJJFZCRTK-UHFFFAOYSA-N
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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。
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
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