免费爱碰视频在线观看,日韩中文亚洲精品视频,日本天堂免费a,亚洲国产综合视频

  • <strike id="yaq0z"><listing id="yaq0z"></listing></strike>
    <thead id="yaq0z"><legend id="yaq0z"></legend></thead>
    <strike id="yaq0z"></strike>
    <cite id="yaq0z"></cite>
    <b id="yaq0z"><legend id="yaq0z"></legend></b>
    1. PRODUCTS
      Ethyl L(-)-lactate
      Product name: Ethyl L(-)-lactate
      English name: Ethyl L(-)-lactate
      Molecular formula: C5H10O3
      Molecular weight: 118.13
      Properties: Colorless and transparent liquid with special odor of rum, fruit and cream. Soluble in most organic solvents.
      Quality index:
      Ester content%: ≥99.0 Moisture(K-F method)%: ≤0.30
      Optical content L/ (L+D) %: ≥99. 0 Ethyl alcohol%: ≤0.50
      Color: ≤50apha Relative density(25/25℃); 1.030-1.038
      Acidity: ≤0.20 Refractive index(20℃): 1.410-1.420
      Physical & chemical properties: Boiling point: 154℃ (760 Kpa)
      Melting point: -26℃
      Flash point: 46℃
      Distillation range: 145~160℃
      Spontaneous ignition point: 400℃
      Viscosity: 2.8 mPa.s (20℃)
      Application: Used in chiral medicine and pesticide fields.
      Packing: 25kg or 200kg plastic drum
      Storage: Keep in cool and dry place.
      Shelf life: 12 months if unopened since the date of production.

      Back