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155721

Sigma-Aldrich

Methacrylic acid

contains 250 ppm MEHQ as inhibitor, 99%

Sinónimos:

2-Methacrylic acid, 2-Methylpropenoic acid

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About This Item

Fórmula lineal:
H2C=C(CH3)COOH
Número de CAS:
79-41-4
Peso molecular:
86.09
Beilstein/REAXYS Number:
1719937
EC Number:
201-204-4
MDL number:
MFCD00002651
UNSPSC Code:
12162002
PubChem Substance ID:
24849561
NACRES:
NA.23

vapor density

>3 (vs air)

Quality Level

200

vapor pressure

1 mmHg ( 20 °C)

assay

99%

form

liquid

autoignition temp.

752 °F

contains

250 ppm MEHQ as inhibitor

refractive index

n20/D 1.431 (lit.)

pH

2.0-2.2 (20 °C, 100 g/L)

bp

163 °C (lit.)

mp

12-16 °C (lit.)

density

1.015 g/mL at 25 °C (lit.)

SMILES string

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

InChI

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

InChI key

CERQOIWHTDAKMF-UHFFFAOYSA-N

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General description

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).

Application

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

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

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

wgk_germany

WGK 1

flash_point_f

152.6 °F - closed cup

flash_point_c

67 °C - closed cup

ppe

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

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Metilmetacrilato European Pharmacopoeia (EP) Reference Standard

Y0001488

Metilmetacrilato

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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