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155721

Sigma-Aldrich

Methacrylic acid

contains 250 ppm MEHQ as inhibitor, 99%

Sinonimo/i:

2-Methacrylic acid, 2-Methylpropenoic acid

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About This Item

Formula condensata:
H2C=C(CH3)COOH
Numero CAS:
79-41-4
Peso molecolare:
86.09
Beilstein:
1719937
Numero CE:
201-204-4
Numero MDL:
MFCD00002651
Codice UNSPSC:
12162002
ID PubChem:
24849561
NACRES:
NA.23

Densità del vapore

>3 (vs air)

Livello qualitativo

200

Tensione di vapore

1 mmHg ( 20 °C)

Saggio

99%

Forma fisica

liquid

Temp. autoaccensione

752 °F

contiene

250 ppm MEHQ as inhibitor

Indice di rifrazione

n20/D 1.431 (lit.)

pH

2.0-2.2 (20 °C, 100 g/L)

P. eboll.

163 °C (lit.)

Punto di fusione

12-16 °C (lit.)

Densità

1.015 g/mL at 25 °C (lit.)

Stringa SMILE

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

InChI

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

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Descrizione generale

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).

Applicazioni

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

Pittogrammi

Skull and crossbonesCorrosion
GHS06,GHS05

Avvertenze

Danger

Indicazioni di pericolo

H302 + H332,H311,H314,H335

Classi di pericolo

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

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

152.6 °F - closed cup

Punto d’infiammabilità (°C)

67 °C - closed cup

Dispositivi di protezione individuale

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

Certificati d'analisi (COA)

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Sigma-Aldrich

408212

Sodium methacrylate

Ethyl acrylate ≥99.5%, stabilized

Sigma-Aldrich

W241811

Ethyl acrylate

Methyl methacrylate European Pharmacopoeia (EP) Reference Standard

Y0001488

Methyl methacrylate

Methacryloyl chloride 97%, contains ~200 ppm monomethyl ether hydroquinone as stabilizer

Sigma-Aldrich

523216

Methacryloyl chloride

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
Riteshkumar J Patel et al.
Journal of biomedical materials research. Part A, 100(8), 2054-2062 (2012-05-15)
Exudate analysis indicated that both hydroxamated methacrylic acid-based (HX-MAA) and methacrylic acid-based (MAA) beads without hydroxamation, implanted in an air pouch with gelatin discs, elicited similar biological responses, with both resulting in high cell counts and chemokine (MCP3) levels, relative
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