Technical Information NBT


CERTIFICATE OF ANALYSIS
Product Nitro Blue Tetrazolium
Product no 101A
Lot no. KG780
CAS No. 298-83-9
Purity 101%
Appearance Yellow crystalline powder
Solubility in methyl alcohol (1% heat) passed test, clear, yellow
Solubility in Water (0,5%) passed test, clear, yellow solution
Solubility in TRIS buffer (pH7.4 with heat) passed test, clear, yellow solution
Water (Karl Fischer) 1,8%
Loss on drying (p205,16hrs, vacuumed) 7,6%
Sulphated ASH 0,0%
Sensitivity Passed test
TLC Corresponded to standard Nitro-TB
UV Absorbance 0.476 (257 nm)
Molar Absorptivity 64900 (257 nm)
IR Spectrum Authentic
Storage Conditions 4°C short term, -20°C longer term ; Protect from light
 
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