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tert-Butyl acrylate

tert-Butyl acrylate

CAS: 1663-39-4

Molecular Formula: C7H12O2

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tert-Butyl acrylate - Names and Identifiers

Name tert-Butyl acrylate
Synonyms TBA
T-BUTYL ACRYLATE
T-Butyl acrylate
TERT-BUTYL ACRYLATE
tert-Butyl acrylate
tert-butylpropenoate
TERTIARY-BUTYL ACRYLATE
tertiary-Butyl acrylate
tert-butyl prop-2-enoate
ACRYLIC ACID TERT-BUTYL ESTER
2-Propenoicacid,1,1-dimethylethylester
2-Propenoic acid, 1,1-dimethylethyl ester
ACRYLIC ACID TERT-BUTYL ESTER (STABILIZED WITH MEHQ)
CAS 1663-39-4
EINECS 216-768-7
InChI InChI=1/C7H12O2/c1-5-6(8)9-7(2,3)4/h5H,1H2,2-4H3

tert-Butyl acrylate - Physico-chemical Properties

Molecular FormulaC7H12O2
Molar Mass128.17
Density0.875 g/mL at 25 °C (lit.)
Melting Point-69°C
Boling Point61-63 °C/60 mmHg (lit.)
Flash Point63°F
Water Solubility2 g/L
Vapor Presure20hPa at 23.4℃
AppearanceLiquid
ColorClear
BRN1742329
Storage ConditionFlammables area
Refractive Indexn20/D 1.410(lit.)

tert-Butyl acrylate - Risk and Safety

Risk CodesR11 - Highly Flammable
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R37/38 - Irritating to respiratory system and skin.
R43 - May cause sensitization by skin contact
R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
Safety DescriptionS16 - Keep away from sources of ignition.
S25 - Avoid contact with eyes.
S37 - Wear suitable gloves.
S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. 
UN IDsUN 1993 3/PG 2
WGK Germany2
FLUKA BRAND F CODES10
TSCAYes
HS Code29161290
Hazard Class3
Packing GroupIII

tert-Butyl acrylate - Reference Information

LogP2.32 at 25℃
NIST chemical information Information provided by: webbook.nist.gov (external link)
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
application tert-butyl acrylate is an extremely important basic chemical raw material and intermediate, because of its unique and active polar molecules, unsaturated double bonds and carboxylic acid ester (-COOR) structure, so many kinds of polymer formulas with good performance can be derived, plasticity, cross-linking and other polymers are prepared by emulsion polymerization, solution polymerization, copolymerization and other processing methods.
The characteristics of strong polymer adhesion, good transparency, and clear film formation make it have great potential in the modification of various chemicals. It is used in coatings, coatings, papermaking, non-woven fabrics, High absorbent materials, detergents, synthetic fibers, synthetic rubber, plastics, leather, adhesives, etc. have been more and more widely used.
preparation method 1.
acrylic acid, catalyst, polymerization inhibitor and isobutylene are put into the reactor, and under the conditions of temperature 30 ℃ and pressure 1MPa, tert-butyl acrylate is synthesized by esterification reaction at the volume space velocity of isobutylene 1.0/h;
among them, the molar ratio of acrylic acid, polymerization inhibitor and isobutylene is 1:0.1:0.5. The catalyst is a mixture of sulfonic acid cation exchange resin and p-toluenesulfonic acid. The mass ratio of the two is 3:1. The total mass of the catalyst is the 10% of acrylic acid. The polymerization inhibitor is a mixture of tert-butylcatechol and tert-butanol, and the mass ratio of the two is 1:1. Methods
a preparation process for catalytic synthesis of tert-butyl acrylate with strong acidic cation exchange resin combination product as catalyst was 2., and the following steps were carried out in sequence:
1) acrylic acid, catalyst composition composed of nano solid super acid SO42-/SnO2, strong acid cation exchange resin A, strong acid cation exchange resin B and strong acid cation exchange resin C, polymerization inhibitor A and polymerization inhibitor B are added into a closed reaction kettle, and liquefied isobutylene is added dropwise for esterification reaction;
2) after dropwise addition, heat preservation is carried out;
3) After the heat preservation is completed, the closed reaction kettle is depressurized, filtered, and the liquid components are extracted into the rectification tower;
4) The by-products tert-butanol, diisobutylene and the target product tert-butyl acrylate are separated in sequence.
use organic synthesis
tert-butyl acrylate is a monomer that can be used to prepare polyt-butyl acrylate (PtBA) polymers and copolymers, and polyacrylic acid polyelectrolyte brushes
toxic substance data information provided by: pubchem.ncbi.nlm.nih.gov (external link)
Last Update：2024-04-10 22:29:15
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Email: 2853786052@qq.com
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tert-Butyl acrylate
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