Röhm Methyl Methacrylate

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Röhm Methyl Methacrylate (discontinued **)
Categories:	Fluid
Material Notes:	Polymerization and copolymerization in bulk, suspension, emulsion and solution. Used in the plastics, paint, leather, paper and textile industries as well as for dental products. Base material for other methacrylic esters. Appearance: Clear and colorless liquid Odor: Ester-like CAS: 80-62-6 Information Provided by Evonik CYRO. The former Evonik Methacrylates business has been sold to Röhm (Roehm) GmbH.
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Physical Properties	Metric	English	Comments

Density	0.943 g/cc	0.0341 lb/in³
Viscosity	0.63 cP @Temperature 20.0 °C	0.63 cP @Temperature 68.0 °F
Molecular Weight	100.1 g/mol	100.1 g/mol
Vapor Pressure	0.0387 bar @Temperature 20.0 °C	29.0 torr @Temperature 68.0 °F

Chemical Properties	Metric	English	Comments
Acid Value	<= 0.0050	<= 0.0050	Test Method: MM004 (as Methacrylic Acid %)

Thermal Properties	Metric	English	Comments
Boiling Point	100.3 °C @Pressure 0.1013 MPa	212.5 °F @Pressure 14.69 psi
Flash Point	10.0 °C	50.0 °F	DIN 51755
Ignition Temperature	430 °C	806 °F	DIN 51794

Optical Properties	Metric	English	Comments
Refractive Index	1.415 @Temperature 20.0 °C	1.415 @Temperature 68.0 °F

Component Elements Properties	Metric	English	Comments
H2O, Water	<= 0.050 %	<= 0.050 %	Test Method: MM044 (K. Fischer)

Descriptive Properties
Color	max. 10		Test Method: MM002 (Visual comparison to standard)
Degree of Purity (%)	min. 99.9		Test Method: MM073 (GC)
DMBP	8-12		ppm
Explosion limits in air (Vol. %)	2.1-12.5
Heat of Polymerization (kJ/mol)	55.6
Heat of Vaporization (kJ/mol)	36
HQ	8-12		ppm
MEHQ	8-12		ppm, MEHQ
Solidification Point (°C)	-48.2

**
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