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Monomers

tert-Butyl acrylate

Also known as tert-Butyl propenoate, Acrylic acid, tert-butyl ester, 2-Propenoic acid, 1,1-dimethylethyl ester

CAS 1663-39-4Formula C7H12O2Molar mass 128.17 g/molEC 216-768-7
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant, Hazardous to the environment 20 suppliers listed
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tert-Butyl acrylate chemical structure, C7H12O2, CAS 1663-39-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Liquid
Boiling point
120 °C
Density
0.879 AT 25 °C
Flash point
18.9 °C
HS code
291612
Category
Monomers
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is tert-Butyl acrylate?

Plain description, key identifiers and synonyms

tert-Butyl acrylate is a chemical substance with the molecular formula C7H12O2 and a molar mass of 128.17 g/mol. Its CAS registry number is 1663-39-4. The IUPAC name is tert-butyl prop-2-enoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tert-butyl prop-2-enoate
CAS number
1663-39-4 CAS number cross-checked
EC number
216-768-7
Molecular formula
C7H12O2
UNII
92M2CD1O3G
MDL number
MFCD00008809
InChIKey
ISXSCDLOGDJUNJ-UHFFFAOYSA-N
InChI
InChI=1S/C7H12O2/c1-5-6(8)9-7(2,3)4/h5H,1H2,2-4H3
SMILES (canonical and isomeric)
CC(C)(C)OC(=O)C=C

Synonyms

  • tert-Butyl propenoate
  • Acrylic acid, tert-butyl ester
  • 2-Propenoic acid, 1,1-dimethylethyl ester
  • tert-butyl prop-2-enoate
  • t-Butyl acrylate
  • Acrylic Acid tert-Butyl Ester
  • 2-propenoic acid tert-butyl ester
  • 1,1-dimethylethyl 2-propenoate
  • tert-Butyl 2-propenoate
  • tert-Butyl Acrylate (stabilized with MEHQ)
  • acrylics
  • tert-Butylacrylate
  • t-butylacrylate
  • t-buty acrylate
  • ter-butyl-acrylate
  • tert butyl acrylate
  • tert-butyl-acrylate
  • tert.-butyl acrylate
  • tert. Butyl Acrylate
  • acrylic tert-butyl ester
  • tert-butyl-prop-2-enoate
  • acrylic acid t-butyl ester
  • acrylic acid-tert-butyl ester
  • Butyl acrylate, tert-
  • acrylic acid tert.-butyl ester
Show all 33 synonyms
  • 2-propenoic acid t-butyl ester
  • Isxscdlogdjunj-uhfffaoysa-
  • 2-Propenoic acid,1-dimethylethyl ester
  • Poly(tert-butyl acrylate)(WT=10000)
  • tert-Butyl acrylate (stabilised with MEHQ)
  • tert-Butyl Acrylate, (stabilized with MEHQ)
  • tert-Butyl acrylate contains 10-100 ppm monomethyl ether hydroquinone as inhibitor
  • tert-Butyl acrylate, contains 10-20 ppm monomethyl ether hydroquinone as inhibitor, 98%

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Liquidexp.
Boiling point
120 °Cexp.
Density
0.879 AT 25 °Cexp.
Flash point
18.9 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
128.17 g/molcalc.
Exact mass
128.0837 Dacalc.
LogP (octanol/water)
1.51calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.57calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (30)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

tert-Butyl acrylate suppliers

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Where suppliers are based

20 suppliers in 7 countries

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tert-Butyl acrylate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Monomer for acrylic resins.

Monomer for acrylic resins used in surface coatings.

Industrial uses: Intermediate, Monomers.

How it is made

Reaction of isobutylene with methacrylic acid, reaction of tert-butyl alcohol with methacryloyl chloride

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-245-00-8

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code tert-Butyl acrylate is traded under.

HS 2916.12Indicative HS code

Esters of acrylic acid

World exports in 2024
$2.49B
+1.0% vs 2023, imports $2.79B
2019 to 2024
Top exporters
  1. China25.6%
  2. United States15.4%
  3. Germany12.6%
Top importers
  1. Turkey8.7%
  2. Germany7.7%
  3. United States7.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for tert-Butyl acrylate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about tert-Butyl acrylate, based on the data on this page

What is tert-Butyl acrylate?

tert-Butyl acrylate is a chemical substance with the molecular formula C7H12O2 and a molar mass of 128.17 g/mol. Its CAS registry number is 1663-39-4. The IUPAC name is tert-butyl prop-2-enoate.

What is the CAS number of tert-Butyl acrylate?

The CAS registry number of tert-Butyl acrylate is 1663-39-4.

What is the molecular formula and weight of tert-Butyl acrylate?

The molecular formula of tert-Butyl acrylate is C7H12O2 and its molar mass is 128.17 g/mol.

What is tert-Butyl acrylate used for?

Monomer for acrylic resins. Monomer for acrylic resins used in surface coatings. Industrial uses: Intermediate, Monomers.

Is tert-Butyl acrylate hazardous?

tert-Butyl acrylate carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of tert-Butyl acrylate?

tert-Butyl acrylate is usually classified under HS code 291612 (Esters of acrylic acid). This is indicative, confirm it with your customs broker before shipping.

Where can I buy tert-Butyl acrylate?

CompoundList lists 20 suppliers of tert-Butyl acrylate in China, United States, Canada, Spain and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy tert-Butyl acrylate in India?

1 supplier in India list tert-Butyl acrylate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of tert-Butyl acrylate?

Suppliers quote tert-Butyl acrylate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle tert-Butyl acrylate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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