L-lactide medical grade,high purity

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Basic Info

Place of Origin:	Hebei, China (Mainland)

Product Description

Specification:

Product Name	L-Lactide
CAS No.	4511-42-6

Item	Unit	Standard	Method
Melting point	°C	95-98	Melting Point Apparatus
Moisture	ppm	≤1000	Karl Fischer titration
Purity	%	≥99.5	GC
Free acid	% (lactic acid)	≤0.1	Acid Base Titration
Ash	%	≤0.05	-
Heavy metals	ppm	≤5	AAS
Iron	ppm	≤5	AAS
Lead	ppm	≤2	AAS
Arsenic	ppm	≤1	AAS
[α]²⁵_D Specific optical rotation	°	-265	Ethanol,13°C

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