1,1-Dimethoxypropan-2-ol
Also known as: (RS)-1,1-Dimethoxy-2-propanol, 2-Hydroxypropionaldehyde dimethyl acetal, DL-lactaldehyde dimethyl acetal, rac-Lactaldehyde dimethyl acetal, 1,1-dimethoxy-2-propanol, 1,1-dimethoxypropan-2-ol
1,1-Dimethoxypropan-2-ol (CAS 42919-42-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12O3 and a molecular weight of 120.147 g/mol. Key properties include a boiling point of 160.2±20.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 50.7±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour and H336 — May cause drowsiness or dizziness. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42919-42-6
- Jingsj CID
- J-1520708-6
- Molecular Formula
- C5H12O3
- Molecular Weight
- 120.147 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 160.2±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 50.7±21.8 °C |
| Exact Mass | 120.078644 |
| PSA | 38.69000 |
| LogP | -0.06 |
| Vapor Pressure | 0.8±0.6 mmHg at 25°C |
| Refractive Index | 1.409 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H336 — May cause drowsiness or dizziness
Customs & Trade Information
| HS Code | 2911000000 |
|---|---|
| Summary | 2911000000 acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives。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 1,1-Dimethoxypropan-2-ol?
The CAS number of 1,1-Dimethoxypropan-2-ol is 42919-42-6.
What are the molecular formula and molecular weight of 1,1-Dimethoxypropan-2-ol?
1,1-Dimethoxypropan-2-ol has molecular formula C5H12O3 and molecular weight 120.147 g/mol.
Is 1,1-Dimethoxypropan-2-ol hazardous?
1,1-Dimethoxypropan-2-ol has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H336 — May cause drowsiness or dizziness.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1-Dimethoxypropan-2-ol (CAS 42919-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520708-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.