T-BUTYL ACRYLATE
tert-Butyl acrylate
CAS: 1663-39-4
Molecular Formula: C7H12O2
T-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 |
T-BUTYL ACRYLATE - Physico-chemical Properties
| Molecular Formula | C7H12O2 |
| Molar Mass | 128.17 |
| Density | 0.875 g/mL at 25 °C (lit.) |
| Melting Point | -69°C |
| Boling Point | 61-63 °C/60 mmHg (lit.) |
| Flash Point | 63°F |
| Water Solubility | 2 g/L |
| Vapor Presure | 20hPa at 23.4℃ |
| Appearance | Liquid |
| Color | Clear |
| BRN | 1742329 |
| Storage Condition | Flammables area |
| Refractive Index | n20/D 1.410(lit.) |
T-BUTYL ACRYLATE - Risk and Safety
| Risk Codes | R11 - 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 Description | S16 - 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 IDs | UN 1993 3/PG 2 |
| WGK Germany | 2 |
| FLUKA BRAND F CODES | 10 |
| TSCA | Yes |
| HS Code | 29161290 |
| Hazard Class | 3 |
| Packing Group | III |
T-BUTYL ACRYLATE - Reference Information
| LogP | 2.32 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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