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Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.0-101.0% USP, Multi-Compendial, J.T.Baker®
 :  Avantor
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Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.0-101.0% USP, Multi-Compendial, J.T.Baker®
 :  Avantor
 

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  • USP - Assay (C₄H₁₁NO₃):
    99.0 - 101.0 %
  • USP - Identification A:
    Passes Test
  • USP - Identification B:
    Passes Test
  • USP - Identification C:
    Passes Test
  • USP - pH (1 in 20):
    10.0 - 11.5
  • USP - Loss on Drying:
    ≤1.0 %
  • USP - Residue on Ignition:
    ≤0.1 %
  • USP - Melting Range(Lower):
    168 - 172 °C
  • USP - Melting Range(Upper):
    168 - 172 °C
  • EP/BP - Assay (C₄H₁₁NO₃) (dried basis):
    99.0 - 100.5 %
  • EP/BP - Identification B:
    Passes Test
  • EP/BP - Identification C:
    Passes Test
  • EP/BP - Appearance of Solution:
    Passes Test
  • EP/BP - pH:
    10.0 - 11.5
  • EP/BP - Related Substances:
    ≤1.0 %
  • EP/BP - Chloride (Cl):
    ≤100 ppm
  • EP/BP - Iron (Fe):
    ≤10 ppm
  • EP/BP - Loss on Drying at 105°C:
    ≤0.5 %
  • EP/BP - Ash (sulfated):
    ≤0.1 %
  • JPC 1997 - Assay (C₄H₁₁NO₃) (dried basis):
    ≥99.0 %
  • JPC 1997 - Identification A:
    Passes Test
  • JPC 1997 - Identification B:
    Passes Test
  • JPC 1997 - pH:
    10.3 - 10.7
  • JPC 1997 - Melting Point:
    168 - 172 °C
  • JP - Clarity and Color of Solution:
    Passes Test
  • JPC 1997 - Heavy Metals (as Pb):
    ≤8 ppm
  • JPC 1997 - Arsenic (As):
    ≤1.6 ppm
  • JPC 1997 - Loss on Drying:
    ≤0.5 %
  • JPC 1997 - Residue on Ignition:
    ≤0.10 %
  • Assay (C₄H₁₁NO₃) (dried basis):
    ≥99.9 %
  • 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
  • Endotoxin Concentration (EU/g):
    ≤2.5
  • Iron (Fe):
    ≤1 ppm
  • Lead (Pb):
    ≤1 ppm