Trimethylacetaldehyde
Also known as: Pivalaldehyde, Pivaldehyde, 2,2-Dimethylpropanal, 2,2-Dimethylpropionaldehyde, Neopentanal, tert-Butylformaldehyde, alpha,alpha-Dimethylpropionaldehyde
Trimethylacetaldehyde (CAS 630-19-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H10O and a molecular weight of 86.132 g/mol. Key properties include a melting point of 6 °C(lit.), a boiling point of 77.5±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of -13.2±7.8 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 630-19-3
- Jingsj CID
- J-1329981-5
- Molecular Formula
- C5H10O
- Molecular Weight
- 86.132 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 6 °C(lit.) |
|---|---|
| Boiling Point | 77.5±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | -13.2±7.8 °C |
| Exact Mass | 86.073166 |
| PSA | 17.07000 |
| LogP | 1.07 |
| Vapor Pressure | 96.5±0.1 mmHg at 25°C |
| Refractive Index | 1.384 |
| Additional Property | Negligible |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2912190090 |
|---|---|
| Summary | 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Trimethylacetaldehyde?
The CAS number of Trimethylacetaldehyde is 630-19-3.
What are the molecular formula and molecular weight of Trimethylacetaldehyde?
Trimethylacetaldehyde has molecular formula C5H10O and molecular weight 86.132 g/mol.
Is Trimethylacetaldehyde hazardous?
Trimethylacetaldehyde has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Trimethylacetaldehyde?
For Trimethylacetaldehyde, Upstream Products: Pivaloyl chloride, Pivalic acid, Neopentyl alcohol; Downstream Products: 1-(4-Methylbenzenesulfonyl)-3,3-dimethyl-2-butanone, Methyl pivalate, (-)-norephedrine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylacetaldehyde (CAS 630-19-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1329981-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.