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Description Feedback
Methacrylic acid, abbreviated MAA, is an organic compound. This colorless, viscous liquid is a carboxylic acid with an acrid unpleasant odor. It is soluble in warm water and miscible with most organic solvents. Methacrylic acid is produced industrially on a large scale as a precursor to its esters, especially methyl methacrylate (MMA) and poly(methyl methacrylate) (PMMA). The methacrylates have numerous uses, most notably in the manufacture of polymers with trade names such as Lucite and Plexiglas. MAA occurs naturally in small amounts in the oil of Roman chamomile.

Properties Feedback
Appearance & Physical State:colourless liquid or crystals with an unpleasant odour.
Density:1.015
Melting Point:16ºC
Boiling Point:163ºC
Flash Point:76ºC
Refractive Index:1.4295-1.4315
Water Solubility:9.7 g/100 mL (20 ºC)
Stability:May be stabilized by the addition of MEHQ (Hydroquinone methyl ether, ca. 250 ppm) or hydroquinone. In the absence of a stabilizer this material will readily polymerize. Combustible. Incompatible with strong oxidizing agents, hydrochloric acid.
Storage Condition:Indoors
Vapor Pressure:1 mm Hg ( 20 °C)
Vapor Density:>3 (vs air)

Safety Info Feedback
Symbol:
GHS05

GHS06
Sign:Danger
hazard declaration:H302 + H332; H311; H314; H335
hazard declaration add:
waring notice:P261; P280; P301 + P312 + P330; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338
RTECS:OZ2975000
Hazard Class:8
Safety Statements:S26-S36/37/39-S45
HS Code:2916130010
Packing Group:II
WGK Germany:1
RIDADR:UN 2531
Risk Statements:R21/22; R35
Hazard Codes:C

MSDS


Synthesis Route Total: 168 Synthesis Route
 
1910-47-0
~97%
79-41-4
View Detail
 
557-93-7
124-38-9
~86%
79-41-4
View Detail

Precursor and Product