1.08382
Tris Base
solid, ACS reagent, reag. Ph. Eur., GR for analysis buffer substance
Synonym(s):
Tris Base, Tris(hydroxymethyl)aminomethane, 2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Trometamol
About This Item
Recommended Products
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
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This Item | 1659000 | Y0000109 | D3506 |
---|---|---|---|
200 | - | - | - |
powder or crystals | - | - | powder or crystals |
97.0-101.0% (on dried substance, titration) | - | - | ≥97% (perchloric acid titration) |
room temp | 2-8°C | 2-8°C | room temp |
1 g/L at 20 °C | - | - | water: 1 g/10 mL, slightly hazy |
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
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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