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95-96-5 - DL-Lactide, 99% - (±)-3,6-Dimethyl-1,4-dioxane-2,5-dione - L09026 - Alfa Aesar

L09026 DL-Lactide, 99%

CAS-Nummer
95-96-5
Synonyme
(±)-3,6-Dimethyl-1,4-dioxane-2,5-dione

Größe Preis ($) Menge Verfügbarkeit
10g 27,07
50g 90,90
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DL-Lactide, 99%

MDL
MFCD00011685
EINECS
202-468-3

Chemische Eigenschaften

Formel
C6H8O4
Molmasse
144.13
Schmelzpunkt
122-126°
Siedepunkt
138-142°/8mm
Flammpunkt
180°(356°F)
Sensitivität
Moisture Sensitive
Löslichkeit
Soluble in chloroform and methanol. Slightly soluble in benzene.

Anwendungen

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.

Bemerkungen

Moisture senstive. Store in a cool place. Incompatible with acids, bases and strong oxidizing agents.

Literaturverweise

Dong, H.; Dai, W.; Ju, H.; Lu, H.; Wang, S.; Xu, L.; Zhou, S. F.; Zhang, Y.; Zhang, X. Multifunctional Poly(dl-lactide)-Polyethylene Glycol-Grafted Graphene Quantum Dots for Intracellular MicroRNA Imaging and Combined Specific-Gene-Targeting Agents Delivery for Improved Therapeutics. ACS Appl. Mater. Inter. 2015, 7 (20), 11015-11023.

Zuza, E.; Lejardi, A.; Meaurio, E.; Sarasua, J. R. Phase behavior and interactions in poly(dl-lactide)/poly(styrene-co-vinylphenol) blends. Eur. Polym. J. 2015, 63, 58-66.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
82121
Harmonized Tariff Code
2932.20
TSCA
Yes
RTECS
JH1100000

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