Butyl Methacrylate - Materials / Alfa Chemistry

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Butyl Methacrylate

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Catalog Number

ACMA00017316

Product Name

Butyl Methacrylate

Category

Polymers

Description

N-butyl methacrylate appears as a clear colorless liquid. Flash point 130°F. Less dense (7.5 lb / gal) than water and insoluble in water. Hence floats on water. Vapors heavier than air. Used to make resins adhesives, and oil additives.;Liquid;COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.

IUPAC Name

butyl 2-methylprop-2-enoate

Molecular Weight

142.2g/mol

Molecular Formula

C8H14O2;CH2C(CH3)COO(CH2)3CH3;C8H14O2

Canonical SMILES

CCCCOC(=O)C(=C)C

InChI

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

InChI Key

SOGAXMICEFXMKE-UHFFFAOYSA-N

Boiling Point

326.3 to 338.9 °F at 760 mm Hg (NTP, 1992);160.0 °C;160 °C;163 °C

Melting Point

less than -58 °F (NTP, 1992);-75.0 °C;freezing point: less than -75 °C;-50 °C

Flash Point

126 °F (NTP, 1992);126 °F (52 °C) (open cup);50 °C c.c.

Density

0.8975 at 68 °F (USCG, 1999);0.8936 g/cu cm at 20 °C;Relative density (water = 1): 0.9

Solubility

Insoluble (NTP, 1992);0.01 M;Very soluble in ethyl ether, ethanol;In water, 800 mg/L at 25 °C;Solubility in water, g/100ml at 25 °C: 0.08 (very poor)

Color/Form

Colorless liquid

Complexity

127

Covalently-Bonded Unit Count

EC Number

202-615-1;618-468-5

Exact Mass

142.09938g/mol

Formal Charge

Heavy Atom Count

ICSC Number

1018

Log P

2.88 (LogP);log Kow = 2.88;2.26-3.01

MeSH Entry Terms

butyl methacrylate monomer

Monoisotopic Mass

142.09938g/mol

NSC Number

20956

Odor

Faint characteristic odor of esters

Other Experimental

Readily polymerized;Liquid water interfacial tension: 35 dynes/cm = 0.035 N/m at 20 °C; Heat of polymerization: -180 BTU/lb = -100 cal/g = -4.2X10+5 J/kg; Reid vapor pressure: low;Liquid heat capacity: 0.460 BTU/lb-F at 70 °F; Liquid thermal conductivity: 1.048 BTU-in/hr-sq ft-F at 70 °F; Saturated vapor density: 0.00203 lb/cu ft at 70 °F;It weighs about 7.5 lb/gal.;Henry's Law constant = 4.96X10-4 atm-cu m/mol at 25 °C (est);Hydroxyl radical reaction rate constant = 2.3X10-11 cu cm/molec-sec at 25 °C (est)

Refractive Index

Index of refraction: 1.4240 at 20 °C/D

Rotatable Bond Count

RTECS Number

OZ3675000

UNII

R5QX287XXU

UN Number

2227;2227;2227;2227

Vapor Density

4.9 (NTP, 1992) (Relative to Air);4.8 (Air = 1);Relative vapor density (air = 1): 4.9

Vapor Pressure