1.08382
Tris Base
solid, ACS reagent, reag. Ph. Eur., GR for analysis buffer substance
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product name
Tris(hydroxymethyl)aminomethane, GR for analysis buffer substance ACS,Reag. Ph Eur
grade
ACS reagent
Quality Level
Agency
reag. Ph. Eur.
vapor pressure
0.0267 hPa ( 20 °C)
form
solid
potency
>5000 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rat)
pH
10.2-10.6 (20 °C, 6 g/L in H2O)
useful pH range
7-9
pKa (25 °C)
8.1
bp
219-220 °C/10 mmHg (lit.)
219-220 °C/13.3 hPa
mp
167-172 °C (lit.)
solubility
678 g/L
density
1.35 g/cm3 at 23 °C
bulk density
840 kg/m3
storage temp.
15-25°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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General description
Tris is widely used as a biological buffer substance in the pH range of 7-9. For example it is used for the freezing of proteins. The grade conforms precisely with the Reag. Ph. Eur. requirements.
Application
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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