L9641
Lipopolysaccharides (rough strains) from Escherichia coli EH100 (Ra mutant)
Synonym(s):
LPS
About This Item
Recommended Products
biological source
Escherichia coli (EH100 Ra mutant)
Quality Level
form
lyophilized powder
impurities
<3% Protein (Lowry)
color
white to yellow
solubility
water: 4.90-5.10 mg/mL, cloudy to turbid, colorless to faintly yellow
shipped in
ambient
storage temp.
2-8°C
General description
Biochem/physiol Actions
Preparation Note
The product is soluble in water (5 mg/ml) or cell culture medium (1 mg/ml) yielding a hazy, faint yellow solution. A more concentrated, though still hazy, solution (20 mg/ml) has been achieved in aqueous saline after vortexing and warming to 70-80 oC. Lipopolysaccharides are molecules that form micelles in every solvent. Hazy solutions are observed in water and phosphate buffered saline. Organic solvents do not give clearer solutions. Methanol yields a turbid suspension with floaters, while water yields a homogeneously hazy solution.
Other Notes
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Oral
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Certificates of Analysis (COA)
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