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1.11615

Sigma-Aldrich

Ethidium bromide

for biochemistry

Synonym(s):

Ethidium bromide, 5-Ethyl-3,8-diamino-6-phenylphenanthridinium bromide, Homidium bromide, EtBr

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About This Item

CAS Number:
1239-45-8
Molecular Weight:
394.31
MDL number:
MFCD00011724
UNSPSC Code:
41105322
EC Index Number:
214-984-6

Quality Level

100

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

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

Related Categories

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 %

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Statements

H302 - H330 - H341

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Muta. 2

Storage Class Code

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

Certificates of Analysis (COA)

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