1,1-Diethoxybutane
Also known as: Butanal diethyl acetal, Butyraldehyde diethyl acetal, Butylaldehyde diethyl acetal, n-Butyraldehyde diethyl acetal, Butyraldehyde diethylacetal, butyraldehyde ethyl acetal, Butane, 1,1-diethoxy-, Butraldehyde diethyl acetal, Butraldehyde diethylacetal
1,1-Diethoxybutane (CAS 3658-95-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H18O2 and a molecular weight of 146.22700 g/mol. Key properties include a boiling point of 143ºC at 760 mmHg, a density of 0.841 g/cm3 and a flash point of 28.9ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3658-95-5
- Jingsj CID
- J-34001-2
- Molecular Formula
- C8H18O2
- Molecular Weight
- 146.22700 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 143ºC at 760 mmHg |
|---|---|
| Density | 0.841 g/cm3 |
| Flash Point | 28.9ºC |
| Exact Mass | 146.13100 |
| PSA | 18.46000 |
| LogP | 2.18560 |
| Refractive Index | 1.404 |
| Storage Conditions | Flammables area |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
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-Diethoxybutane?
The CAS number of 1,1-Diethoxybutane is 3658-95-5.
What are the molecular formula and molecular weight of 1,1-Diethoxybutane?
1,1-Diethoxybutane has molecular formula C8H18O2 and molecular weight 146.22700 g/mol.
Is 1,1-Diethoxybutane hazardous?
1,1-Diethoxybutane has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1,1-Diethoxybutane?
For 1,1-Diethoxybutane, Upstream Products: Ethanol, Butyraldehyde, Triethyl orthoformate; Downstream Products: 2-Butene, 1,1-diethoxy-, Triethyl phosphate, Butyl ethyl ether.
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-Diethoxybutane (CAS 3658-95-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34001-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.