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155721

Sigma-Aldrich

Methacrylic acid

contains 250 ppm MEHQ as inhibitor, 99%

Sinônimo(s):

2-Methacrylic acid, 2-Methylpropenoic acid

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About This Item

Fórmula linear:
H2C=C(CH3)COOH
Número CAS:
79-41-4
Peso molecular:
86.09
Beilstein:
1719937
Número CE:
201-204-4
Número MDL:
MFCD00002651
Código UNSPSC:
12162002
ID de substância PubChem:
24849561
NACRES:
NA.23

densidade de vapor

>3 (vs air)

Nível de qualidade

200

pressão de vapor

1 mmHg ( 20 °C)

Ensaio

99%

forma

liquid

temperatura de autoignição

752 °F

contém

250 ppm MEHQ as inhibitor

índice de refração

n20/D 1.431 (lit.)

pH

2.0-2.2 (20 °C, 100 g/L)

pb

163 °C (lit.)

pf

12-16 °C (lit.)

densidade

1.015 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

C=C(C)C(O)=O

InChI

1S/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)

chave InChI

CERQOIWHTDAKMF-UHFFFAOYSA-N

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Descrição geral

Methacrylic acid (MAA) is an organic compound, colorless, viscous liquid. It is a monofunctional methacrylayte monomer. It is soluble in warm water and miscible in most organic solvents. MAA is used as a starting material for the production of its esters, especially methyl methacrylate and poly methyl methacrylate (PMMA).

Aplicação

MAA is used to synthesize poly(methacrylic acid)-g-poly(ε-caprolactone) copolymers, polymeric blends with PMMA and hydroxyethyl methacrylate (HEMA)-MAA hydrogels.

Pictogramas

Skull and crossbonesCorrosion
GHS06,GHS05

Palavra indicadora

Danger

Classificações de perigo

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3

Órgãos-alvo

Respiratory system

Código de classe de armazenamento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

152.6 °F - closed cup

Ponto de fulgor (°C)

67 °C - closed cup

Equipamento de proteção individual

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificados de análise (COA)

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Sodium methacrylate 99%

Sigma-Aldrich

408212

Sodium methacrylate

Ethyl acrylate ≥99.5%, stabilized

Sigma-Aldrich

W241811

Ethyl acrylate

Metacrilato de metila European Pharmacopoeia (EP) Reference Standard

Y0001488

Metacrilato de metila

2-Hydroxyethyl methacrylate contains ≤250 ppm monomethyl ether hydroquinone as inhibitor, 97%

Sigma-Aldrich

128635

2-Hydroxyethyl methacrylate

Reversible Addition Fragmentation Chain Transfer
(RAFT) Polymerization
Moad G, et al.
Material Matters, 5(1) (2010)
Synthesis of graft copolymers of poly(methacrylic acid)-g-poly(?-caprolactone) by coupling ROP and RAFT polymerizations
Kiehl J, et al.
Polymer, 53(3), 694-700 (2012)
Thomas J Dursch et al.
Biomaterials, 35(2), 620-629 (2013-10-24)
Two-photon confocal microscopy and back extraction with UV/Vis-absorption spectrophotometry quantify equilibrium partition coefficients, k, for six prototypical drugs in five soft-contact-lens-material hydrogels over a range of water contents from 40 to 92%. Partition coefficients were obtained for acetazolamide, caffeine, hydrocortisone
Josué A Torres-Ávalos et al.
Polymers, 13(4) (2021-03-07)
Design of a smart drug delivery system is a topic of current interest. Under this perspective, polymer nanocomposites (PNs) of butyl acrylate (BA), methacrylic acid (MAA), and functionalized carbon nanotubes (CNTsf) were synthesized by in situ emulsion polymerization (IEP). Carbon
Gustaf D Olsson et al.
Journal of molecular recognition : JMR, 25(2), 69-73 (2012-02-01)
A series of molecular dynamics simulations of prepolymerization mixtures for phenylalanine anilide imprinted co-(ethylene glycol dimethacrylate-methacrylic acid) molecularly imprinted polymers have been employed to investigate the mechanistic basis for template selective recognition in these systems. This has provided new insights
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