1.11615
Ethidium bromide
for biochemistry
别名:
Ethidium bromide, 5-Ethyl-3,8-diamino-6-phenylphenanthridinium bromide, Homidium bromide, EtBr
InChI
1S/C21H19N3.BrH/c1-2-24-20-13-16(23)9-11-18(20)17-10-8-15(22)12-19(17)21(24)14-6-4-3-5-7-14;/h3-13,23H,2,22H2,1H3;1H
InChI key
ZMMJGEGLRURXTF-UHFFFAOYSA-N
form
solid
potency
1503 mg/kg LD50, oral (Rat)
pH
4.4 (20 °C, 10 g/L in H2O)
mp
261-264 °C
transition temp
flash point >100 °C
solubility
40 g/L
density
1.01 g/cm3 at 20 °C
bulk density
340 kg/m3
storage temp.
2-30°C
Quality Level
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General description
for biochemistry
Application
Ethidium bromide for biochemistry. CAS 1239-45-8, pH 4.4 (10 g/l, H₂O, 20 °C).
Analysis Note
Assay (perchloric acid titration, calculated on dried substance)≥ 98 %Identity (UV/VIS-Spectrum)passes testAbsorption maximum λmax. (methanol)524 - 527 nmSpec. Absorptivity A 1%/1cm (λmax; 0.05 g/l; methanol; calc. on dried substance)155 - 170TLC-Testpasses testLoss on drying (130 °C, 4 h)≤ 8 %
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Muta. 2
存储类别
6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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