Butyl methacrylate

Names
Preferred IUPAC name

Butyl 2-methylprop-2-enoate

Other names

Butyl 2-methylpropenoate, Acryester B, Acryester BMA, n-butyl methacrylate

Identifiers

CAS Number

* 97-88-1

3D model (JSmol)

* Interactive image

ChEMBL |

* ChEMBL3183073

ChemSpider |

* 7076

EC Number |

* 202-615-1

PubChem CID

* 7354

RTECS number |

* OZ3675000

UNII |

* R5QX287XXU

UN number | 2227

CompTox Dashboard (EPA)

* DTXSID4024696

InChI

* InChI=1S/C8H14O2/c1-4-5-6-10-8(9)7(2)3/h2,4-6H2,1,3H3

Key: SOGAXMICEFXMKE-UHFFFAOYSA-N

SMILES

* CCCCOC(=O)C(=C)C

Properties

Chemical formula

| 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 pictograms |
GHS Signal word | Danger

GHS hazard statements

| H226, H315, H317, H319, H335

GHS precautionary statements

| P210, P233, P240, P241, P242, P243, P261, P264, P271, P272, P280, P302+352, P303+361+353, P304+340, P305+351+338, P312, P321, P332+313, P333+313, P337+313, P362, P363, P370+378, P403+233, P403+235
NFPA 704 (fire diamond)  |

Flash point |  50 °C (122 °F; 323 K)

Autoignition
temperature

|  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).

Infobox references

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

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

* Methacrylic acid
* Methyl methacrylate

## References

1. ↑ 1.0 1.1 Bauer, Jr., William (2002). "Ullmann's Encyclopedia of Industrial Chemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a16_441. .
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. doi:10.1021/ma9608380. Bibcode: 1996MaMol..29.8576G.

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*[CID]: Compound ID
*[EPA]: U.S. Environmental Protection Agency
*[H226]: Flammable liquid and vapour
*[H315]: Causes skin irritation
*[H317]: May cause an allergic skin reaction
*[H319]: Causes serious eye irritation
*[H335]: May cause respiratory irritation
*[P210]: Keep away from heat/sparks/open flames/hot surfaces – No smoking
*[P233]: Keep container tightly closed
*[P240]: Ground/bond container and receiving equipment
*[P241]: Use explosion-proof electrical/ventilating/light/…/equipment
*[P242]: Use only non-sparking tools
*[P243]: Take precautionary measures against static discharge
*[P261]: Avoid breathing dust/fume/gas/mist/vapours/spray
*[P264]: Wash … thoroughly after handling
*[P271]: Use only outdoors or in a well-ventilated area
*[P272]: Contaminated work clothing should not be allowed out of the workplace
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
*[P302+352]: IF ON SKIN: Wash with soap and water
*[P303+361+353]: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower
*[P304+340]: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P305+351+338]: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
*[P312]: Call a POISON CENTER or doctor/physician if you feel unwell
*[P321]: Specific treatment (see … on this label)
*[P332+313]: If skin irritation occurs: Get medical advice/attention
*[P333+313]: If skin irritation or a rash occurs: Get medical advice/attention
*[P337+313]: Get medical advice/attention
*[P362]: Take off contaminated clothing and wash before reuse
*[P363]: Wash contaminated clothing before reuse
*[P370+378]: In case of fire: Use … for extinction
*[P403+233]: Store in a well ventilated place. Keep container tightly closed
*[P403+235]: Store in a well ventilated place. Keep cool