276685
Methacrylic anhydride
contains 2,000 ppm topanol A as inhibitor, ≥94%
Synonyme(s) :
Methacrylic acid anhydride
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About This Item
Formule linéaire :
[H2C=C(CH3)CO]2O
Numéro CAS:
Poids moléculaire :
154.16
Numéro Beilstein :
1761982
Numéro MDL:
Code UNSPSC :
12162002
ID de substance PubChem :
Nomenclature NACRES :
NA.23
Produits recommandés
Niveau de qualité
Pureté
≥94%
Forme
liquid
Contient
2,000 ppm topanol A as inhibitor
Indice de réfraction
n20/D 1.453 (lit.)
Point d'ébullition
87 °C/13 mmHg (lit.)
Densité
1.035 g/mL at 25 °C (lit.)
Chaîne SMILES
CC(=C)C(=O)OC(=O)C(C)=C
InChI
1S/C8H10O3/c1-5(2)7(9)11-8(10)6(3)4/h1,3H2,2,4H3
Clé InChI
DCUFMVPCXCSVNP-UHFFFAOYSA-N
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Catégories apparentées
Description générale
Methacrylic anhydride is an organic compound derived from methacrylic acid, which belongs to the class of acrylic acids. It is primarily employed as a monomer in the production of polymers, particularly poly(methacrylic acid) and its copolymers. These polymers find applications in a wide range of industries, including bio-renewable resins, pH-sensitive hydrogels, thermosets, coatings, adhesives, and plastics, due to their excellent chemical and thermal stability. In the polymerization of methacrylic anhydride, the most common inhibitor used is Topanol A. It is typically added in small quantities (2,000 ppm) to hinder undesirable side reactions during the polymerization, ensuring controlled and high-quality polymer formation.
Application
Methacrylic anhydride can be used as a starting material to synthesize:
- Methacrylated chondroitin sulfate pH-sensitive hydrogels by copolymerization reaction. These hydrogels can be used in drug delivery systems.
- High-performance lignin-based thermosets.
- Gel polymer electrolyte, which is then integrated with the cathode to form high-performance lithium-ion batteries.
Mention d'avertissement
Danger
Mentions de danger
Classification des risques
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
Organes cibles
Respiratory system
Code de la classe de stockage
10 - Combustible liquids
Classe de danger pour l'eau (WGK)
WGK 2
Point d'éclair (°F)
183.2 °F - closed cup
Point d'éclair (°C)
84 °C - closed cup
Équipement de protection individuelle
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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