11383213001
Roche
NBT
4-Nitro blue tetrazolium chloride, solution
Synonym(s):
Nitroblue tetrazolium chloride
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About This Item
UNSPSC Code:
41116100
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Quality Level
Assay
>95%
form
solution
mol wt
Mr 817.7
packaging
pkg of 3 mL (300 mg)
manufacturer/tradename
Roche
technique(s)
Northern blotting: suitable
Southern blotting: suitable
hybridization: suitable
storage temp.
−20°C
General description
NBT is a chromogenic and soluble substance. It is a substrate of alkaline phosphatase (AP) and is converted to an indigo/purple dye on its action.
Application
- Immunohistocytochemistry
- Western blot
- Southern blot
- Northern blot
- Colony and plaque hybridization
- In situ hybridization
Physical form
Solution (100 mg/ml) in 70% dimethylformamide (DMF) (v/v). The color of the NBT solution can vary between yellow and brown depending on the lot used.
Note: The color does not impair the quality or the function of the reagent. In some cases a precipitate may occur which is easily brought into solution by briefly warming the substrate at 37 °C.
Note: The color does not impair the quality or the function of the reagent. In some cases a precipitate may occur which is easily brought into solution by briefly warming the substrate at 37 °C.
Preparation Note
Working solution: Preparation of staining solution
- Always prepare this solution fresh shortly before use!For all applications except DIG System: Add 50 μl NBT solution and 37,5 μl BCIP to 10 ml 0.1 M Tris-HCl, pH 9.5 (20 °C), 0.1 M NaCl, 0.05 M MgCl2.
- For DIG System applications: Add 50 μl NBT solution and 37,5 μl BCIP to 10 ml 0.1 M Tris-HCl, pH 9.5 (20 °C), 0.1 M NaCl
- Note: Do not include MgCl2 in the DIG detection buffer as this might lead to spotty background on the membrane after the detection procedure. Alkaline Phosphatase does not require Mg2+.
Other Notes
For life science research only. Not for use in diagnostic procedures.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Inhalation - Eye Irrit. 2 - Repr. 1B
Storage Class Code
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 2
Flash Point(F)
167.0 °F
Flash Point(C)
75 °C
Certificates of Analysis (COA)
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