Biological Buffer Tes N-Tris (hydroxymethyl) Methyl-2-Aminoethanesulfonic Acid CAS No 7365-44-8

• Type: Biological Buffer
• Appearance: Powder
• Grade Standard: Reagent Grade
• Transport Package: Paper Box
• Specification: kg
• Trademark: Peng test organism
• Model NO.: TES
• Origin: Xuzhou, China
• HS Code: 29221980
• Production Capacity: 10 Tons/Month

Product Description

Biological activity:
TES was used to prepare buffer solutions. With a pKa value of 7.550, TES could be used to prepare buffer solutions with a pH range of 6.8-8.2.

Point of melting:	~225 °C (dec.)
Density of density:	1.260 (estimate)
Index of refraction:	1.5500 (estimate)
Storage conditions:	Keep in dark place,Sealed in dry,Room Temperature
Degree of solubility:	H2O:1 Mat 20 °C, transparent and colorless
form:	White powder crystallization
PH value:	3.5-5.0 (25ºC, 1M in H2O)
Acid-base indicator discoloration ph range:	6.8 - 8.2
Coefficient of acidity (pKa):	7.5(at 25ºC)
Solubility of water:	SOLUBLE
Maximum wavelength (λmax):	λ: 260 nm Amax: 0.055λ: 280 nm Amax: 0.045