Butanal, 3-methoxy-
Also known as: 3-Methoxybutanal, 3-Methoxybutyraldehyde, β-Methoxybutyraldehyde, NSC 71979, UNII-0T9P2X7UPG, Aldol ether, Butyraldehyde, 3-methoxy-, NSC-71979
Butanal, 3-methoxy- (CAS 5281-76-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.13200 g/mol. Key properties include a boiling point of 127.8ºC at 760mmHg, a density of 0.887g/cm3 and a flash point of 26.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5281-76-5
- Jingsj CID
- J-1002374-2
- Molecular Formula
- C5H10O2
- Molecular Weight
- 102.13200 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 127.8ºC at 760mmHg |
|---|---|
| Density | 0.887g/cm3 |
| Flash Point | 26.2ºC |
| Exact Mass | 102.06800 |
| PSA | 26.30000 |
| LogP | 0.61030 |
| Refractive Index | 1.386 |
Customs & Trade Information
| HS Code | 2912499000 |
|---|---|
| Summary | 2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. 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 Butanal, 3-methoxy-?
The CAS number of Butanal, 3-methoxy- is 5281-76-5.
What are the molecular formula and molecular weight of Butanal, 3-methoxy-?
Butanal, 3-methoxy- has molecular formula C5H10O2 and molecular weight 102.13200 g/mol.
What are the upstream and downstream products of Butanal, 3-methoxy-?
For Butanal, 3-methoxy-, Upstream Products: 3-Methoxy-1-butanol, 1,1,3-Trimethoxybutane, Methanol; Downstream Products: 3-methoxybutanoic acid, 3-Methoxy-1-butanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Butanal, 3-methoxy- (CAS 5281-76-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002374-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.