九九热6,亚洲天堂av片,99视频观看,日本成本人片免费观看,99视频在线观看视频,成人天堂av,久久6这里只有精品

[Alias]:

2,5-dioxo-1,4-dioxane; Acetic acid, hydroxy-, bimol. cyclic ester; Glycollide; p-Dioxane-2,5-dione; GLYCOLIDE; GLYCOLIDE A; 1,4-DIOXANE-2,5-DIONE; PURASORB(R) G; 1,4-Dioxane-2,5-dione,

[Product name]:

glycolide

[Structural formula]:

[Molecular formula]:

C₄H₄O₄

[Molecular weight]:

116.0722

[CAS NO]:

502-97-6

[Packing]:

Physicochemical data

Appearance

white flaky crystal

Melting range °C

84°C

Density 25°C

Quality standard

Purity %HPLC

≥99.5

Moisture%

≤0.5