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Chemical compound From Wikipedia, the free encyclopedia
Butyl methacrylate is the organic compound with the formula C4H9O2CC(CH3)=CH2. A colorless liquid, it is a common monomer for the preparation of methacrylate polymers.[1] It is typically polymerized under free-radical conditions.[2]
Names | |
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Preferred IUPAC name
Butyl 2-methylprop-2-enoate | |
Other names
Butyl 2-methylpropenoate, Acryester B, Acryester BMA, n-butyl methacrylate | |
Identifiers | |
3D model (JSmol) |
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ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.002.378 |
EC Number |
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PubChem CID |
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RTECS number |
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UNII | |
UN number | 2227 |
CompTox Dashboard (EPA) |
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Properties | |
C8H14O2 | |
Molar mass | 142.198 g·mol−1 |
Appearance | colorless liquid |
Density | 0.8936 g/cm3 |
Melting point | −25 °C (−13 °F; 248 K) |
Boiling point | 160 °C (320 °F; 433 K) |
Hazards | |
GHS labelling: | |
Danger | |
H226, H315, H317, H319, H335 | |
P210, P233, P240, P241, P242, P243, P261, P264, P271, P272, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P332+P313, P333+P313, P337+P313, P362, P363, P370+P378, P403+P233, P403+P235, P405, P501 | |
NFPA 704 (fire diamond) | |
Flash point | 50 °C (122 °F; 323 K) |
290 °C (554 °F; 563 K) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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In terms of the acute toxicity of butyl methacrylate, the LD50 is 20 g/kg (oral, rat). It is an irritant to the eyes and can cause blindness.[1]
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