Quality Segment
potency
655.3-907.1 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rabbit)
pH
4.5-5.5 (20 °C, 100 g/L in H2O)
mp
180-185 °C (lit.)
density
1.3 g/cm3 (lit.)
bulk density
550‑620 kg/m3
storage temp.
2-30°C
SMILES string
Cl[H].NC(N)=N
InChI
1S/CH5N3.ClH/c2-1(3)4;/h(H5,2,3,4);1H
InChI key
PJJJBBJSCAKJQF-UHFFFAOYSA-N
General description
Biological detergent
Agent for reversible denaturation of proteins. Special grade with low optical density for use in procedures where spectrometry is involved.
Agent for reversible denaturation of proteins. Special grade with low optical density for use in procedures where spectrometry is involved.
Application
强效离液剂，用于蛋白质的变性以及后续复性。该强效变性剂可溶解不溶性或变性的蛋白质，如包涵体。可用作使蛋白质或酶复性为活性形式的第一步骤。可能还需要脲和二硫苏糖醇 (DTT)。
Analysis Note
Assay (Perchloric acid titration, calc. on anhydrous substance): ≥ 99.5 %
Identity (IR-spectrum): passes test
pH (100 g/l, water): 5.5 - 6.5
Melting point: 183 - 188 °C
Absorbance A (235 nm; 50 %; 1 cm; water): ≤ 0,2
Heavy metals (as Pb): ≤ 10 ppm
Fe (Iron): ≤ 5 ppm
Sulfated ash (600 °C): ≤ 0.05 %
Water (according to Karl Fischer): ≤ 1
Identity (IR-spectrum): passes test
pH (100 g/l, water): 5.5 - 6.5
Melting point: 183 - 188 °C
Absorbance A (235 nm; 50 %; 1 cm; water): ≤ 0,2
Heavy metals (as Pb): ≤ 10 ppm
Fe (Iron): ≤ 5 ppm
Sulfated ash (600 °C): ≤ 0.05 %
Water (according to Karl Fischer): ≤ 1
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flash_point_f
Not applicable
hcodes
signalword
Warning
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_c
Not applicable