D103705

Diglycolic anhydride

technical grade, 90%

• Synonyme(s) : 1,4-Dioxane-2,6-dione
• Formule empirique (notation de Hill) : C₄H₄O₄
• CAS Number: 4480-83-5
• Poids moléculaire : 116.07
• Beilstein: 112527
• Numéro CE : 224-761-5
• Numéro MDL: MFCD00006677
• Code UNSPSC : 12162002
• ID de substance PubChem : 24893331
• Nomenclature NACRES : NA.23

Propriétés

• Qualité: technical grade
• Essai: 90%
• Forme: crystals
• pb: 240-241 °C (lit.)
• Pf: 92-93 °C (lit.)
• Chaîne SMILES: O=C1COCC(=O)O1
• InChI: 1S/C4H4O4/c5-3-1-7-2-4(6)8-3/h1-2H2
• Clé InChI: PIYNUZCGMLCXKJ-UHFFFAOYSA-N

Description

Description générale

Diglycolic anhydride (DGA) is derived from diglycolic acid, known for its ability to form polyesters and polyamides. DGA exhibits a low molecular weight and a high reactivity with hydroxyl and amine groups, making it a valuable intermediate in polymer chemistry. It can facilitate the formation of cross-linked networks, improving the mechanical properties of the resulting polymer.

Application

Diglycolic anhydride can be used:

• As a building block to synthesize bio-based polyester and poly(ester amide)s with excellent thermal stability and good solubility in organic solvents.
• To functionalize polyethylene terephthalate(PET) nanofibers for rare earth elements recovery. The addition of DGA enhances metal adsorption due to its rapid binding kinetics and high selectivity for recovering rare earth elements ions from aqueous solutions.
• As a precursor to fabricate degradable polyester network coatings for medical devices to prevent biofouling of surfaces.

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H315,H319,H335
• Conseils de prudence: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: dust mask type N95 (US), Eyeshields, Gloves