Esters Available — Bulk Only

Butyl Methacrylate (BMA)

BMA
CAS 97-88-1 · Formula C8H14O2 · MW 142.20 g/mol

An acrylic comonomer for coating, adhesive, and textile/leather/paper finishing resin systems. It is polymerized into solvent and emulsion coatings, adhesives, and textile, leather, and paper finishes, and is used as a lube-oil additive component.

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UN Number
UN 2227
Hazard Class
Class 3
HS Code
2916.14
At a Glance
Material Family
Esters
Record Type
Pure compound
Primary Role
Film Formation · Viscosity Modification
Functional Roles
Film Formation Viscosity Modification Synthesis Intermediate
INCI Name
BUTYL METHACRYLATE
CosIng Functions
FILM FORMINGFRAGRANCEVISCOSITY CONTROLLING
Industries Served
Coatings & Construction Plastics & Polymers
Applications & Use Cases
  • ▸ Acrylic resins: Monomer for solvent-borne and emulsion acrylic resins.
  • ▸ Coatings: Building block for industrial coating polymers.
  • ▸ Adhesives: Comonomer in acrylic adhesive formulations.
  • ▸ Textile/leather/paper finishing: Used in finishing emulsions.
  • ▸ Lubricant additives: Component in oil-additive chemistry.
Physical Properties
Physical Description
N-butyl methacrylate appears as a clear colorless liquid. Flash point 54 °C. 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
Appearance
Colorless liquid
Odor
Faint characteristic odor of esters
Boiling Point
326.3 to 170 °C at 760 mmHg
Melting Point
freezing point: < -75 °C
Flash Point
52 °C (52 °C) (open cup)
Solubility
Solubility in water, g/100ml at 25 °C: 0.08 (very poor)
Density
Liquid heat capacity: 0.460 BTU/lb-F at 21 °C; Liquid thermal conductivity: 1.048 BTU-in/hr-sq ft-F at 21 °C; Saturated vapor density: 0.00203 lb/cu ft at 21 °C
Vapor Density
4.9
Vapor Pressure
Vapor pressure, kPa at 20 °C: 0.3
LogP
log Kow = 2.88
Autoignition Temperature
294 °C
Viscosity
1.02 mm²/s at 24 °C
Polymerization
Methyl methacrylate, and in general the methacrylic esters, polymerize much less readily than the corresponding ordinary acrylates. Nonetheless, they are stabilized by adding hydroquinone or pyrogallol, particularly in the presence of metallic copper. /Methacrylates/
Refractive Index
Index of refraction: 1.4240 at 20 °C/D
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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DOT / UN Transport Classification
DOT hazard class 3 placard
UN / DOT NumberUN 2227
Hazard Class / DivisionClass 3
Packing GroupIII
Proper Shipping Namen-Butyl methacrylate, stabilized

Transport classification per the UN Model Regulations / 49 CFR 172.101 Hazardous Materials Table. Confirm against the grade-specific SDS (Section 14) before shipping.

HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2916 . 14
Chapter 29
Organic chemicals
Heading 29.16
Internationally harmonized (WCO HS)
Subheading 2916.14
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
97-88-1
Molecular Formula
C8H14O2
Molecular Weight
142.20 g/mol
IUPAC Name
butyl 2-methylprop-2-enoate
INCI Name
BUTYL METHACRYLATE
PubChem CID
7354
InChI Key
SOGAXMICEFXMKE-UHFFFAOYSA-N
Synonyms & Trade Names
BUTYL METHACRYLATE N-Butyl methacrylate butyl 2-methylprop-2-enoate Butylmethacrylate Butylmethacrylaat Butyl 2-methacrylate Butil metacrilato 2-Methyl-butylacrylat 2-Methyl-butylacrylaat 2-Methyl-butylacrylate Methacrylic acid, butyl ester 2-Propenoic acid, 2-methyl-, butyl ester Methacrylate de butyle Methacrylsaeurebutylester Butylester kyseliny methakrylove 2-Methyl butylacrylate N-BUTYL ALPHA-METHYLACRYLATE Butyl 2-methyl-2-propenoate
Full Description

n-Butyl methacrylate (CAS 97-88-1) is a methacrylate ester monomer used to build acrylic resins and copolymers. It is polymerized into solvent and emulsion coatings, adhesives, and textile, leather, and paper finishes, and is used as a lube-oil additive component. Supplied as a bulk monomer for (co)polymerization.

Frequently Asked Questions

What is butyl methacrylate used for?

n-Butyl methacrylate (BMA, CAS 97-88-1) is a methacrylate ester monomer used to build acrylic resins and copolymers. It is polymerized into solvent-borne and emulsion coatings, adhesives, and textile, leather, and paper finishes, and is used as a component in lube-oil additive chemistry.

What is butyl methacrylate made from?

BMA is the n-butyl ester of methacrylic acid (C8H14O2), made by esterifying methacrylic acid with n-butanol. It is supplied as a stabilized bulk monomer for (co)polymerization.

What is the CAS number and formula of butyl methacrylate?

n-Butyl methacrylate has CAS number 97-88-1 and molecular formula C8H14O2. It is an acrylic ester monomer used to make industrial coating and adhesive polymers.

What is the UN/DOT shipping classification for butyl methacrylate?

Butyl methacrylate ships under UN 2227 (butyl, decyl, cetyl, eicosyl methacrylate). The SDS and shipping documentation specify packing group, labeling, and required inhibitor; confirm transport requirements with your carrier.

How is bulk butyl methacrylate supplied and priced?

RawSource supplies BMA as a stabilized bulk monomer in drums, totes/IBCs, and bulk for resin and coatings manufacturers. Pricing is quoted per order based on volume and packaging; request a bulk quote and a CoA and SDS are provided with shipment.

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Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.

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