85-5679-01　［受注停止］meso-Lactide 2.5mg　CAS No:13076-19-2　454389

特徴

• Impurity of poly lactic acid or lactic acid dimerization/epimerization. meso-Lactide can be polymerized using dibutyltin derivatives. meso-Lactide was also found to be formed during polylactide processing.
• Synonyms:(3R,6S)-3,6-Dimethyl-1,4-dioxane-2,5-dione; trans-3,6-Dimethyl-1,4-dioxane-2,5-dione;trans-3,6-Dimethyl-p-Dioxane-2,5-dione; trans-Lactide
• Molecular Formula:C6H8O4
• Molecular Weight:144.13
• Appearance:White to off-white solid
• Purity:≥98%
• Identity (1H NMR):Conforms to reference
• Melting Point:46-48ºC
• Solubility:Chloroform (Slightly), Ethyl Acetate (Slightly), Toluene (Slightly)
• Atmosphere:Inert
• Method For Determining Identity:H NMR (CDCl3) and Mass Spectrometric analysis
• TLC Conditions:SiO2; Hexanes: Ethyl Acetate=6:4; Visualized with AMCS and KMnO4; Single Spot, Rf=0.45
• Elemental Analysis:Calculated: %C: 50.00, %H: 5.59, %N: 0.40%
• Storage and Stability:May be stored at RT for short-term only. Long-term storage is recommended at -20°C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Hygroscopic. Store under inert atmosphere.