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Butyl methacrylate

From Wikipedia, the free encyclopedia
Butyl methacrylate
Names
Preferred IUPAC name
Butyl 2-methylprop-2-enoate
Other names
Butyl 2-methylpropenoate, Acryester B, Acryester BMA, n-butyl methacrylate
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.002.378 Edit this at Wikidata
EC Number
  • 202-615-1
RTECS number
  • OZ3675000
UNII
UN number 2227
  • InChI=1S/C8H14O2/c1-4-5-6-10-8(9)7(2)3/h2,4-6H2,1,3H3
    Key: SOGAXMICEFXMKE-UHFFFAOYSA-N
  • CCCCOC(=O)C(=C)C
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:
GHS02: FlammableGHS07: Exclamation mark
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)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazards (white): no code
1
2
2
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).

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]

Health hazards

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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]

See also

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References

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  1. ^ a b Bauer, Jr., William (2002). "Methacrylic Acid and Derivatives". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a16_441. ISBN 978-3527306732..
  2. ^ Granel, C.; Dubois, Ph.; Jérôme, R.; Teyssié, Ph. (1996). "Controlled Radical Polymerization of Methacrylic Monomers in the Presence of a Bis(ortho-chelated) Arylnickel(II) Complex and Different Activated Alkyl Halides". Macromolecules. 29 (27): 8576–8582. Bibcode:1996MaMol..29.8576G. doi:10.1021/ma9608380.
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