SoleChem

Butyl acrylate

CAS
141-32-2
EC
205-480-7
Mol. Weight
128.17 g/mol

Description

Butyl acrylate (CAS 141-32-2), commonly abbreviated as BA, is a reactive acrylic monomer used as a foundational building block in polymer synthesis. It enables formulators to tune the flexibility, adhesion, and film-forming characteristics of the final polymer across a broad range of industrial end products.

In adhesives and pressure-sensitive labels, BA is copolymerized with other acrylates to control tack and peel strength. Coatings manufacturers incorporate it into emulsion polymers for architectural and industrial paints, where it contributes to film flexibility at low temperatures.

Sealant and elastomer producers use BA-based copolymers to achieve durable, weather-resistant joints in construction and automotive assembly. At high purity levels, it also functions as a flavoring agent in food and fragrance applications, where trace concentrations deliver fruity, pineapple-like notes.

Butyl acrylate is supplied as a clear liquid, typically in drum, IBC, and bulk tanker quantities. Technical grade is the standard for industrial polymerization, while high-purity grades are available for flavor and cosmetic applications.

Product is commonly stabilized with a polymerization inhibitor (MEHQ) for safe transport and storage. This ensures the material remains stable during transit and throughout its shelf life in warehouse environments.

Our material meets rigorous industry specifications to ensure consistent performance in sensitive chemical reactions. We provide comprehensive documentation including certificates of analysis and safety data sheets for every shipment delivered to your facility.

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Physical Properties

Melting Point -64.6 °C
Boiling Point 145-149 °C
Density 0.8898 g/cm³ @ Temp: 20 °C
Flash Point 63 °F
Appearance colourless liquid
Color Clear Colorless
Odor Fruity
Form Liquid
Water Solubility 1.4 g/L (20 ºC)
Vapor Pressure 3.3 mm Hg ( 20 °C)
Refractive Index n 20/D 1.410(lit.)
Log P 2.38 at 25℃

Safety & Handling (Learn More)

Warning GHS02 GHS07 GHS06 GHS08
Hazard Statements
H226 Flammable liquid and vapor
H303 May be harmful if swallowed
H305 May be harmful if swallowed and enters airways
H312 Harmful in contact with skin
H313 May be harmful in contact with skin
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H331 Toxic if inhaled
H332 Harmful if inhaled
H335 May cause respiratory irritation
H361 Suspected of damaging fertility or the unborn child
H370 Causes damage to organs
H372 Causes damage to organs through prolonged or repeated exposure
H412 Harmful to aquatic life with long lasting effects
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.
P242 Use non-sparking tools.
P243 Take action to prevent static discharges.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P318 IF exposed or concerned, get medical advice.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P331 Do NOT induce vomiting.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P316 Get emergency medical help immediately.
P301+P317 Get emergency medical help.
P302+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P308+P316 Get emergency medical help immediately.
P332+P317 Get emergency medical help.
P333+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P370+P378 Use … for extinction.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.
P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29161230
UN Number 1993
ADR Class 3
Packing Group II
Storage Class 3 - Flammable liquids
WGK (Germany) 2

Documentation

Other Names

n-Butyl propenoate|Butyl-2-propenoate|Butyl ester of acrylic acid|Acrylic acid butyl ester|n-Butyl acrylate|2-Propenoic acid, butyl ester|Acrylic acid n-butyl ester|BA

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