276685
Methacrylic anhydride
contains 2,000 ppm topanol A as inhibitor, ≥98%
Sinônimo(s):
Methacrylic acid anhydride
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About This Item
Fórmula linear:
[H2C=C(CH3)CO]2O
Número CAS:
Peso molecular:
154.16
Beilstein:
1761982
Número MDL:
Código UNSPSC:
12162002
ID de substância PubChem:
NACRES:
NA.23
Produtos recomendados
Ensaio
≥98%
Formulário
liquid
contém
2,000 ppm topanol A as inhibitor
índice de refração
n20/D 1.453 (lit.)
p.e.
87 °C/13 mmHg (lit.)
densidade
1.035 g/mL at 25 °C (lit.)
cadeia de caracteres 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
chave InChI
DCUFMVPCXCSVNP-UHFFFAOYSA-N
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Descrição geral
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.
Aplicação
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.
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
Órgãos-alvo
Respiratory system
Código de classe de armazenamento
10 - Combustible liquids
Classe de risco de água (WGK)
WGK 2
Ponto de fulgor (°F)
183.2 °F - closed cup
Ponto de fulgor (°C)
84 °C - closed cup
Equipamento de proteção individual
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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