ROMIL-SA™ Salts and Reagents for General Use Specifications

ROMIL-SA™ Salts and Reagents for General Use
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  • Trichloroacetic Acid SA

    A7967
    100g A7967S
    250g A7967R
    500g A7967P
    1KG A7967M
    Dgr H:314-335-410
    P:273-280c-301+330+331-305+351+338-309+310
    Wikipedia Page
    CCl3COOH MW 163.39 FP 57-58°C BP 197°C d 1.63 CAS [76-03-9]
    Assay >99.0%
    Clarity of solution passes test
    Insoluble matter <0.01%
    Loss on drying <1%
    Chloride <0.002%
    Sulphate <0.02%
    Heavy metals as Pb <0.002%
    Very deliquescent.
    100g A7967S
    250g A7967R
    500g A7967P
    1KG A7967M
    Dgr H:314-335-410
    P:273-280c-301+330+331-305+351+338-309+310

    • TRIS, TRIS Buffer (see Tris(hydroxymethyl)-methylamine)

  • Tris(hydroxymethyl)-methylamine SA

    A7937
    100g A7937S
    500g A7937P
    Wikipedia Page
    (2-Amino-2-(hydroxymethyl)propan-1,3-diol, TRIS, TRIS Buffer)
    NH2C(CH2OH)3 MW 121.14 CAS [77-86-1]
    Assay >99.8%*
    *on anhydrous substance
    Absorbance (40% aqueous):
    290nm <0.2 AU
    Water <2%
    Insoluble matter <0.005%
    Heavy metals as Pb <0.0005%
    Application: Biological Buffer pKa 8.3
    100g A7937S
    500g A7937P