Lot numbers can be found on the outside label of a product:
Lactide
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CAS No. 95-96-5
- Cat. No. CS-0040076
- Purity≥97%
- MDL No.MFCD00011685
*For research and further manufacturing use only, not for direct human use.
Structure of 95-96-5
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General Information
- CAS No. 95-96-5
- Cat. No. CS-0040076
- Purity ≥97%
- MDL No. MFCD00011685
- Storage 4°C
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₆H₈O₄
- Molecular Weight 144.13
- Synonym(s) None
- SMILES O=C(C(C)O1)OC(C)C1=O
Description
3,6-Dimethyl-1,4-dioxane-2,5-dione (or rac-lactide), is the 50:50 racemic mixture of D- and L-Lactide. Rac-lactide is a lactone derived from lactic acid that has attracted great interest in academia and commercial applications, as it is derived from abundant renewable resources. Rac-lactide can be ready polymerized via ring-opening polymerization, using a variety of metal or organocatalysts, yielding poly(D,L-lactide). While the resulting polymer is generally amorphous, the use of stereospecific catalysts can lead to heterotactic PLA, which exhibits some degree of crystallinity.3,6-Dimethyl-1,4-dioxane-2,5-dione can be used as a reactant:To synthesize multi-block copolymers of polylactide and polycarbonate.In the aluminum-catalyzed polymerization of propene oxide, lactide, and phthalic anhydride to produce multi-block polyesters.
Synthesis
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Route1
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In-stock
515-98-0 - ~74%
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In-stock
95-96-5
References
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HYUNDAI MOTOR COMPANY; Hong, Chae Hwan; Kim, Si Hwan; Seo, Jiyoun; Han, Do Suck Patent: US2013/267716 A1, 2013 ; Location in patent: Paragraph 0057-0059 ;
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Route2
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849585-22-4 - ~%
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617-57-2 -
In-stock
95-96-5
References
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Justus Liebigs Annalen der Chemie, , vol. 167, p. 319
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Route3
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849585-22-4
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In-stock
95-96-5
References
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Justus Liebigs Annalen der Chemie, , vol. 53, p. 116 Justus Liebigs Annalen der Chemie, , vol. 7, p. 43 Justus Liebigs Annalen der Chemie, , vol. 70, p. 243
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 52.6
- LogP -0.1366
- H_Acceptors 4
- H_Donors 0
- Rotatable_Bonds 0
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