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PR1MA™ DTT [DL-Dithiothreitol] (Cleland's Reagent)]

Item #: ASDTT 
PR1MA Buffers

PR1MA  HEPES, Free Acid [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]

Common Name: [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]
CAS Number: 7365-45-9
Molecular Weight: 238.3
Chemical Formula: C8H18N2O4S
Solubility: Water
Storage Temp: Room Temperature

Zwitterionic N-substituted aminosulfonic acid buffer.

  • pka (25°C): 7.5
  • pH Range (Working): 6.8 - 8.2
  • Heavy Metals: <0.001% Max
Research or further manufacturing use only, not for food or drug use.
  • Appearance: White Crystalline Powder
  • Assay (Titration, dried basis):  99.5 %
  • DNase, RNase, protease: Not Detected
  • Endotoxin (0.2% Solution):  0.25 EU/ml
  • Heavy Metals (as Pb):  0.001 %
  • Identification (IR): Pass
  • Iron (Fe):  0.0005 %
  • Loss on Drying:  1.0 %
  • pH (5% in water): 5.0 - 6.5
  • pKa @ 20°C: 7.35 - 7.70
  • Residue on Ignition:  0.1 %
  • Solubility (1M Solution in Water ): Clear and Colorless Solution
  • Sulfate:  0.05 %
  • UV Absorbance (1M@260nm):  0.05
  • UV Absorbance (1M@280nm):  0.05

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PNKAPPA

Chemical
HEPES, Free Acid

PR1MA™ HEPES, Sodium Salt

[N-(2-Hydroxyethyl) piperazine-N'-(2-ethanesulfonic acid)]
Item#:
ASHEPESSS
 
SKU Number Chemical Volume Price Quantity Add to Cart
KCD11000-1 DTT 1 g
30.60
Each
KCD11000-5 DTT 5 g
68.04
Each
KCD11000-10 DTT 10 g
102.21
Each
KCD11000-25 DTT 25 g
248.68
Each
KCD11000-50 DTT 50 g
420.71
Each
KCD11000-100 DTT 100 g
690.79
Each
KCD11000-500 DTT 500 g
1975.25
Each
  Item is no longer available.  
PR1MA DTT
PR1MA™ DTT [DL-Dithiothreitol] (Cleland's Reagent)]
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