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    D-Pyroglutamic acid CAS No.4042-36-8 / Cat No.EBD7397

    Formula: C5H7NO3

    Molecular Weight: 129.11

    Synonyms: 5-Oxo-D-proline;D-5-Pyrrolidone-2-carboxylic acid;(R)-(+)-2-Pyrrolidone-5-carboxy...

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    • Appearance:

      white to light yellow crystal powder

    • Density:

      1.38 g/cm3

    • Melting point:

      155-156 °C(lit.)

    • Boiling point:

      453.1 °C at 760 mmHg

    • Flashing point:

      227.8 °C

    • Storage temperature:

      Store at 0-5°C

    • Coefficient of refraction:

      10 ° (C=5, H2O)

    • Optical rotation:

      [α]22/D +10°, c = 1.5 in H2O

    • Solubility:

      soluble

    • Symbol:

      Exclamation Mark

    • Signal words:

      Warning

    • Hazard statements:

      H315 Causes skin irritation.

      H319 Causes serious eye irritation.

      H335 May cause respiratory irritation.

    • Precautionary statements:

      P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

      P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.