DL-Lactide

ChemicalBook > CAS DataBase List > DL-Lactide

Uses

Product Name: DL-Lactide
CAS No.: 95-96-5
Chemical Name: DL-Lactide
Synonyms: LACTIDE;3,6-DIMETHYL-1,4-DIOXANE-2,5-DIONE;1,4-Dioxane-2,5-dione, 3,6-dimethyl-;D,L-Lactide S;LACTIC ANHYDRIDE;5-Dione,3;dilactide;purasorbl;DL-LACTIDE;DL-DILACTIDE
CBNumber: CB7178777
Molecular Formula: C6H8O4
Formula Weight: 144.13
MOL File: 95-96-5.mol

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DL-Lactide Property

Melting point:: 116-119 °C
Boiling point:: 142 °C8 mm Hg(lit.)
Density: 1.186±0.06 g/cm3(Predicted)
vapor pressure: 0.311Pa at 25℃
Flash point:: 180°C
storage temp.: 2-8°C
solubility: Soluble in chloroform and methanol. Slightly soluble in benzene.
form: Crystalline Powder
color: White
Water Solubility: 16.3g/L at 20℃
Sensitive: Moisture Sensitive
BRN: 82121
LogP: 0.4 at 25℃
NIST Chemistry Reference: 1,4-Dioxane-2,5-dione, 3,6-dimethyl-(95-96-5)
EPA Substance Registry System: 1,4-Dioxane-2,5-dione, 3,6-dimethyl- (95-96-5)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38-36
Safety Statements: 26-37/39
WGK Germany: 2
RTECS: JH1100000
TSCA: Yes
HS Code: 29322090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word: Warning
Hazard statements: H319Causes serious eye irritation
Precautionary statements: P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 303143
Product name: 3,6-Dimethyl-1,4-dioxane-2,5-dione
Packaging: 25g
Price: $83.9
Updated: 2024/03/01

Sigma-Aldrich

Product number: 303143
Product name: 3,6-Dimethyl-1,4-dioxane-2,5-dione
Packaging: 100g
Price: $255
Updated: 2024/03/01

TCI Chemical

Product number: L0091
Product name: DL-Lactide
Purity: >98.0%(T)
Packaging: 25g
Price: $87
Updated: 2024/03/01

TCI Chemical

Product number: L0091
Product name: DL-Lactide
Purity: >98.0%(T)
Packaging: 100g
Price: $300
Updated: 2024/03/01

Alfa Aesar

Product number: L09026
Product name: DL-Lactide, 99%
Packaging: 10g
Price: $34.65
Updated: 2024/03/01

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DL-Lactide Chemical Properties,Usage,Production

Uses

DL-Lactide is used to produce 2-hydroxy-propionic acid 1-(1-phenyl-ethoxycarbonyl)-ethyl ester. It acts as an important raw material and an intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyes. It is involved in enzymatic alcoholysis to produce both alkyl (R)-lactates and alkyl (S,S)-lactyllactates.DL-Lactide is often used as a protective layer in wound coatings, or as anchors, screws or mesh in surgery, since it degrades in about six months to the innocuous lactic acid.

Chemical Properties

White crystalline powder

Uses

Enzymatic alcoholysis of this racemic lactide catalyzed by commercial Novozym® 435 produces both alkyl (R)-lactates and alkyl (S,S)-lactyllactates in good yield and high enantiopurity.

Definition

ChEBI: Lactide is a member of dioxanes.

General 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.

Flammability and Explosibility

Non flammable

DL-Lactide Preparation Products And Raw materials

Raw materials

Preparation Products

polylactic acid and its copolymer

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DL-Lactide Suppliers

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View Lastest Price from DL-Lactide manufacturers

Hebei Yanxi Chemical Co., Ltd.

Product: DL-Lactide 95-96-5
Price: US $40.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10 tons
Release date: 2023-09-06

Hebei Weibang Biotechnology Co., Ltd

Product: DL-Lactide 95-96-5
Price: US $30.00-10.00/KG
Min. Order: 50KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-24

airuikechemical co., ltd.

Product: dl-lactide 95-96-5
Price: US $0.00-0.00/Kg
Min. Order: 1Kg
Purity: 99.9%
Supply Ability: 200tons
Release date: 2024-04-08

95-96-5, DL-LactideRelated Search:

Dimethyl sulfide Dimethyl fumarate Acetone oxime ETHANE 5-Chlorovaleric acid Pralmorelin Cyclohexane Dimethyl ether Dimethyl phthalate 4-(Diethylamino)salicylaldehyde N,N-Dimethylformamide DL-α-Tocopherol 1,4-Dioxane Diphenolic acid Dimethyl sulfoxide Acetone L-Lactide 1,2-Dioxane

2,5-dimethyl-3,6-dioxo-1,4-dioxane

2,5-dioxo-3,6-dimethyl-1,4-dioxane

2-hydroxy-propanoicacibimol.cyclicester

3,6-diketo-2,5-dimethyl-1,4-dioxane

3,6-Dimethyl-2,5-dioxo-1,4-dioxane

3,6-dimethyl-p-dioxane-2,5-dione

3,6-dimethyl-p-dioxane-5-dione

D,L-Lactide S

DL-Dilactide 3,6-Dimethyl-1,4-dioxane-2,5-dione

<small>DL</small>-Lactide

3,6-DiMethyl-1,4-dioxane-2,5-dione, 99% 25GR

rac-(2R*)-2α*,5α*-Dimethyl-1,4-dioxane-3,6-dione

rac-(3R*)-3β*,6β*-Dimethyl-1,4-dioxane-2,5-dione

2,5-Dimethyl-1,4-dioxane-3,6-dione

1,4-Dioxane-2,5-dione, 3,6-dimethyl-

3,6-Dimethyl-1,4-dioxane-2,5-dione,99%

DL-LACTIDE 98+%

DL-Lactide,97%

(n)-3,6-dimethyl-1,4-dioxane-2,5-dione

DL-3,6-Dimethyl-1,4-dioxane-2,5-dione

5-Dione,3

5-dione,3,6-dimethyl-4-dioxane-2

dilactide

lacticacid,bimol.cyclicester

p-Dioxane-2,5-dione, 3,6-dimethyl-

Propanoic acid, 2-hydroxy-, bimol. cyclic ester

purasorbl

LACTIDE

LACTIDE(D,L-)

LACTIC ANHYDRIDE

DL-LACTIDE

DL-DILACTIDE

CIS-(+/-)-3,6-DIMETHYL-1,4-DIOXANE-2,5-DIONE

3,6-DIMETHYL-1,4-DIOXANE-2,5-DIONE

PURASORB(R) DL

TIMTEC-BB SBB007949

TIMTEC-BB SBB008348

DL-Lactide&gt

DL-Lactide,99%+

hot selling DL-Lactide

Vanillic acid 121-34-6

DL-Lactide,DL-LA

95-96-5

Organic Building Blocks

Carbonyl Compounds

Building Blocks

Lactones

Lactones & Lactides (for High-Performance Polymer Research)

Dioxanes

Reagent for High-Performance Polymer Research

Dioxanes & Dioxolanes

Biodegradable Polymer Monomers

Building Blocks

Carbonyl Compounds

Chemical Synthesis

Lactones

Materials Science

Monomers