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Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99.9% (dried basis), Ultrapure Bioreagent for molecular biology, J.T.Baker®
Irritant
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99.9% (dried basis), Ultrapure Bioreagent for molecular biology, J.T.Baker®
Supplier:  AVANTOR PERFORMANCE MATERIALS US
MOC:  Non-Regulated, With Information
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Irritant
Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99.9% (dried basis), Ultrapure Bioreagent for molecular biology, J.T.Baker®
Supplier:  AVANTOR PERFORMANCE MATERIALS US
MOC:  Non-Regulated, With Information
Certificates

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Specification Test Results

  • Assay (C₄H₁₁NO₃) (dried basis):
    ≥99.9 %
  • Assay (C₄H₁₁NO₃):
    99.0 - 101.0 %
  • Appearance (White crystals):
    Passes Test
  • Absorbance of a 1M Solution - 260 nm:
    ≤0.06
  • Absorbance of a 1M Solution - 280 nm:
    ≤0.06
  • Absorbance of a 1M Solution - 400 nm:
    ≤0.01
  • RNase Activity (None Detected):
    Passes Test
  • DNase Activity (None Detected):
    Passes Test
  • Protease Activity (None Detected):
    Passes Test
  • pH of 0.1M Solution at 25°C:
    10.0 - 11.0
  • Insoluble Matter:
    ≤0.005 %
  • Water (H₂O)(by Karl Fischer titrn):
    ≤0.3 %
  • Trace Impurities - Arsenic (As):
    ≤1 ppm
  • Trace Impurities - Calcium (Ca):
    ≤1 ppm
  • Trace Impurities - Copper (Cu):
    ≤1 ppm
  • Trace Impurities - Iron (Fe):
    ≤1 ppm
  • Trace Impurities - Lead (Pb):
    ≤1 ppm
  • Trace Impurities - Magnesium (Mg):
    ≤1.000 ppm
  • Trace Impurities - Manganese (Mn):
    ≤1 ppm
  • Identification A:
    Passes Test
  • Identification B:
    Passes Test
  • Identification C:
    Passes Test
  • Description:
    Passes Test
  • pH (1 in 20):
    10.0 - 11.5
  • Loss on Drying:
    ≤1.0 %
  • Residue after Ignition:
    ≤0.10 %
  • Heavy Metals (as Pb):
    ≤0.001 %
  • Melting Range(Lower):
    168 - 172 °C
  • Melting Range(Upper):
    168 - 172 °C

Specification Test Results