1.     DL-Lactide DL-LA (3,6 - dimethyl -1,4 - dioxa cyclohexane-2,5 - dione)

CAS.R.NO :95-96-5

English name DL-Lactide (3,6-Dimethyl-1 ,4-dioxane-2 ,5-dione)
Molecular Structure Molecular Formula C6H8O4

Molecular Weight 144.13

Melting point 125-127 ℃

moisture content ≤ 0.4%

heavy metals ≤ 10ppm,
Free acid (mgNaOH / kg) ≤ 1

Ash ≤ 0.05%

purity ≥ 99.5%

2.     L-Lactide L-LA ((3S, 6S) -3,6 - dimethyl-1,4 - dioxoxane-2,5 - dione)

CAS.R.NO :4511-42-6

English name L-Lactide
((3S, 6S) -3,6-Dimethyl-1 ,4-dioxane-2 ,5-dione)
Molecular Structure Molecular Formula C6H8O4

Molecular Weight 144.13

Melting point 96-98 ℃

moisture content ≤ 0.4%

heavy metals ≤ 10ppm

Free acid (mgNaOH / kg) ≤ 1

Ash ≤ 0.05%

purity ≥ 99.5%

specific rotation -260

3．D-Lactide  D-LA

English name D-Lactide

CAS NO :10326-41-7

Melting point     ℃       96-98

Moisture        ppm      ≤600

Purity           ％       ≥99.5

Free acid    %(mgNaOH/kg) ≤0.1

Ash            ％        ≤0.05

Heavy metals    ppm       ≤5

Iron           ppm      ≤5

Lead          ppm       ≤2

Arsenic        ppm       ≤1

[α]²⁵_D                °         265