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 CAS No: 13076-19-2 Molecular Formula: C6H8O4 Molecular Weight: 144.13 Appearance: White to off-white solid Purity: 98% Identity (1H NMR): Conforms to reference Melting Point: 46-48C 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 -20C. 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.
Molecular Weight:
144.13
Purity:
98%
Form:
White to off-white solid
CAS Number:
[13076-19-2]
* VAT and and shipping costs not included. Errors and price changes excepted
