2-hydroxy-2-methylpropanal
Also known as: 2-hydroxy-2-methylpropionaldehyde, Propanal, 2-hydroxy-2-methyl-, EINECS 244-059-2, 2-hydroxy-2-methyl-propanal, 2-Methyl-2-hydroxypropanal
2-hydroxy-2-methylpropanal (CAS 20818-81-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H8O2 and a molecular weight of 88.10510 g/mol. Key properties include a boiling point of 125.7ºC at 760 mmHg, a density of 0.985g/cm3 and a flash point of 38.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20818-81-9
- Jingsj CID
- J-1026683-8
- Molecular Formula
- C4H8O2
- Molecular Weight
- 88.10510 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 125.7ºC at 760 mmHg |
|---|---|
| Density | 0.985g/cm3 |
| Flash Point | 38.9ºC |
| Exact Mass | 88.05240 |
| PSA | 37.30000 |
| Vapor Pressure | 5.59mmHg at 25°C |
| Refractive Index | 1.412 |
Customs & Trade Information
| HS Code | 2912491000 |
|---|---|
| Summary | 2912491000. other aldehyde-alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-hydroxy-2-methylpropanal?
The CAS number of 2-hydroxy-2-methylpropanal is 20818-81-9.
What are the molecular formula and molecular weight of 2-hydroxy-2-methylpropanal?
2-hydroxy-2-methylpropanal has molecular formula C4H8O2 and molecular weight 88.10510 g/mol.
What are the upstream and downstream products of 2-hydroxy-2-methylpropanal?
For 2-hydroxy-2-methylpropanal, Upstream Products: Isobutyraldehyde, Isobutane Residual Solvent Standard, Isobutylene; Downstream Products: Acetoin, Isobutyric acid, 2-Hydroxyisobutyric acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-hydroxy-2-methylpropanal (CAS 20818-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1026683-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.