Product SRE0096 is in powdered form which is fairly stabilized. As such, it can tolerate short exposures to room temperature without degradation and is the reason, the product is shipped at ambient temperature instead of on ice. It may be prudent to test the product to ensure it is still compatible with the application, but the expectation is that it is likely fine for use if exposed to room temperature for 39 hours.
SRE0096
Bovine Serum Albumin
≥98.0%, New Zealand Origin, ≤3 EU/mg endotoxin, protein quantification
Synonym(s):
Albumin bovine serum, BSA, Bovine albumin
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Product Name
Bovine Serum Albumin, standard grade, heat shock fraction, protease free, IgG free, low endotoxin, Ph 7.0, ≥98%
Assay
≥98.0%
form
powder
mol wt
~66 kDa
purified by
heat shock fractionation
origin
New Zealand origin
availability
available only in China
technique(s)
protein quantification: suitable
impurities
≤3 EU/mg endotoxin
pH
7.0
cation traces
heavy metals (as Pb): ≤10 ppm
foreign activity
Ribonuclease, none detected
endonuclease, none detected
protease ≤0.005 units/mg solid
proteinase, none detected
storage temp.
2-8°C
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Biochem/physiol Actions
Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.
Preparation Note
Serum albumin may be referred to as Fraction V. This naming convention is taken from the original Cohn method of fractionating serum proteins using cold ethanol precipitation. Serum albumin was found in the fifth ethanol fraction using Cohn′s method. Since then, the term "Fraction V" has been used by some to describe serum albumin regardless of the method of preparation. Others have used this term to describe serum albumin purified by ethanol fractionation methods that have been highly modified since the original Cohn method was described. Sigma-Aldrich manufactures and distributes serum albumins purified from a variety of primary methods including the true Cohn fractionation method, modified ethanol fractionation methods, heat shock and chromatography. Additional purification steps may include crystallization or charcoal filtration.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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I make a mistake to put this BSA powder in the room temperature for 39 hours. Can it still work?
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