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648310-M
Tris Base, Molecular Biology Grade
TRIS base is useful in the pH range of 7.0-9.0. Has a pKa of 8.1 at 25°C.
Recommended Products
grade
Molecular Biology
Quality Level
Assay
≥99% (perchloric acid titration)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
color
white
useful pH range
7-9
pKa (25 °C)
8.1
bp
219-220 °C/10 mmHg (lit.)
mp
167-172 °C (lit.)
solubility
water: 500 mg/mL
cation traces
heavy metals: ≤0.0005%
absorption
≤0.02 at 280 nm
≤0.03 at 260 nm
foreign activity
RNases, DNases, proteases, none detected
storage temp.
10-30°C
SMILES string
NC(CO)(CO)CO
InChI
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI key
LENZDBCJOHFCAS-UHFFFAOYSA-N
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Related Categories
1 of 4
This Item | 93362 | 648311 | 93350 |
|---|---|---|---|
| assay ≥99% (perchloric acid titration) | assay ≥99.8% (T) | assay ≥99% dry basis (titration) | assay ≥99.7% (T) |
| form solid | form crystalline | form crystalline solid | form crystalline |
| storage condition OK to freeze | storage condition - | storage condition OK to freeze | storage condition - |
| color white | color colorless to white | color white | color - |
| mp 167-172 °C (lit.) | mp 167-172 °C (lit.), 168-172 °C | mp 167-172 °C (lit.) | mp 167-172 °C (lit.), 168-172 °C |
General description
Warning
Legal Information
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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