tert-Butyl acrylate
Also known as: 2-Propenoic acid, 1,1-dimethylethyl ester, Acrylic acid tert-butyl ester, TBA, tert-Butyl propenoate, tert-Butyl prop-2-enoate, TERT-BUTYL ACRYLATE, TERTIARY-BUTYL ACRYLATE
tert-Butyl acrylate (CAS 1663-39-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.169 g/mol. Key properties include a melting point of -69°C, a boiling point of 133.0±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 17.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1663-39-4
- Jingsj CID
- J-1142088-5
- Molecular Formula
- C7H12O2
- Molecular Weight
- 128.169 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -69°C |
|---|---|
| Boiling Point | 133.0±9.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 17.2±0.0 °C |
| Exact Mass | 128.083725 |
| PSA | 26.30000 |
| LogP | 2.02 |
| Vapor Pressure | 8.6±0.2 mmHg at 25°C |
| Refractive Index | 1.418 |
| Additional Property | 2 g/L |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H331 — Toxic if inhaled
- H335 — May cause respiratory irritation
- H411 — Toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2916129000 |
|---|---|
| Summary | 2916129000 other esters of acrylic acid VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyl acrylate?
The CAS number of tert-Butyl acrylate is 1663-39-4.
What are the molecular formula and molecular weight of tert-Butyl acrylate?
tert-Butyl acrylate has molecular formula C7H12O2 and molecular weight 128.169 g/mol.
Is tert-Butyl acrylate hazardous?
tert-Butyl acrylate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of tert-Butyl acrylate?
For tert-Butyl acrylate, Upstream Products: Acrolein, tert-Butanol, tert-Butyl propiolate; Downstream Products: 4,4-Dimethyl-1,3-cyclohexanedione, Amino-PEG6-alcohol, tert-Butyl N-methyl-β-alaninate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyl acrylate (CAS 1663-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1142088-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.